* Winhttp unit added (bug id 30650)

git-svn-id: trunk@36677 -

.gitattributes

@@ -8020,6 +8020,7 @@ packages/winunits-base/src/tmschema.inc svneol=native#text/plain
 packages/winunits-base/src/typelib.pas svneol=native#text/plain
 packages/winunits-base/src/urlmon.pp svneol=native#text/plain
 packages/winunits-base/src/uxtheme.pp svneol=native#text/plain
+packages/winunits-base/src/winhttp.pp svneol=native#text/plain
 packages/winunits-base/src/wininet.pp svneol=native#text/plain
 packages/winunits-base/src/winspool.pp svneol=native#text/pascal
 packages/winunits-base/src/winutils.pp svneol=native#text/pascal

packages/winunits-base/fpmake.pp

@@ -52,6 +52,7 @@ begin
           AddUnit('shfolder');
           AddUnit('richedit');
           AddUnit('imagehlp');
+          AddUnit('winhttp');
 	  AddUnit('wininet');
           AddUnit('uxtheme');
           AddInclude('tmschema.inc');
@@ -88,6 +89,7 @@ begin
     T:=P.Targets.AddImplicitUnit('winver.pp');
     T:=P.Targets.AddImplicitUnit('wininet.pp');
     T:=P.Targets.AddImplicitUnit('imagehlp.pp');
+    T:=P.Targets.AddImplicitUnit('winhttp.pp');
     T:=P.Targets.AddImplicitUnit('commdlg.pp');
     T:=P.Targets.AddImplicitUnit('wininet.pp');
     T:=P.Targets.AddImplicitUnit('uxtheme.pp');

packages/winunits-base/src/buildwinutilsbase.pp

@@ -25,7 +25,7 @@ uses
     ole2, activex, shellapi, shlobj, oleserver,  shfolder, richedit,
     imagehlp, wininet, uxtheme, dwmapi, multimon, htmlhelp, winutils,
     comserv, winspool, imm, imm_dyn, nb30, stdole2,
-    eventsink, typelib, libkinect10, urlmon,
+    eventsink, typelib, libkinect10, urlmon, winhttp,
     shlwapi;
 
 implementation

packages/winunits-base/src/winhttp.pp

@@ -0,0 +1,763 @@
+{
+    This file is part of the Free Pascal run time library.
+    Copyright (c) 2017 by Michael Van Canneyt
+    member of the Free Pascal development team.
+
+    See the file COPYING.FPC, included in this distribution,
+    for details about the copyright.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+    Original copyright statement follows.
+
+Copyright (c) Microsoft Corporation. All rights reserved.
+
+Module Name:
+
+    winhttp.h
+
+Abstract:
+
+    Contains manifests, macros, types and prototypes for Windows HTTP Services
+
+}	
+unit winhttp;
+interface
+
+uses windows;
+
+{
+  Automatically converted by H2Pas 1.0.0 from winhttp.h
+  The following command line parameters were used:
+    -D
+    -w
+    -S
+    -l
+    winhttp.dll
+    winhttp.h
+}
+
+  const
+    External_library='winhttp.dll'; {Setup as you need}
+
+{$IFDEF FPC}
+{$PACKRECORDS C}
+{$ENDIF}
+
+
+
+
+  const
+    INTERNET_DEFAULT_PORT = 0;    
+    INTERNET_DEFAULT_HTTP_PORT = 80;    
+    INTERNET_DEFAULT_HTTPS_PORT = 443;    
+    WINHTTP_FLAG_ASYNC = $10000000;    
+    WINHTTP_FLAG_SECURE = $00800000;    
+    WINHTTP_FLAG_ESCAPE_PERCENT = $00000004;    
+    WINHTTP_FLAG_NULL_CODEPAGE = $00000008;    
+    WINHTTP_FLAG_BYPASS_PROXY_CACHE = $00000100;    
+    WINHTTP_FLAG_REFRESH = WINHTTP_FLAG_BYPASS_PROXY_CACHE;    
+    WINHTTP_FLAG_ESCAPE_DISABLE = $00000040;    
+    WINHTTP_FLAG_ESCAPE_DISABLE_QUERY = $00000080;    
+    SECURITY_FLAG_IGNORE_UNKNOWN_CA = $00000100;    
+    SECURITY_FLAG_IGNORE_CERT_DATE_INVALID = $00002000;    
+    SECURITY_FLAG_IGNORE_CERT_CN_INVALID = $00001000;    
+    SECURITY_FLAG_IGNORE_CERT_WRONG_USAGE = $00000200;    
+
+    INTERNET_SCHEME_HTTP = 1;    
+    INTERNET_SCHEME_HTTPS = 2;    
+    INTERNET_SCHEME_FTP = 3;    
+    INTERNET_SCHEME_SOCKS = 4;    
+    WINHTTP_AUTOPROXY_AUTO_DETECT = $00000001;    
+    WINHTTP_AUTOPROXY_CONFIG_URL = $00000002;    
+    WINHTTP_AUTOPROXY_HOST_KEEPCASE = $00000004;    
+    WINHTTP_AUTOPROXY_HOST_LOWERCASE = $00000008;    
+    WINHTTP_AUTOPROXY_ALLOW_AUTOCONFIG = $00000100;    
+    WINHTTP_AUTOPROXY_ALLOW_STATIC = $00000200;    
+    WINHTTP_AUTOPROXY_ALLOW_CM = $00000400;    
+    WINHTTP_AUTOPROXY_RUN_INPROCESS = $00010000;    
+    WINHTTP_AUTOPROXY_RUN_PROCESS_ONLY = $00020000;    
+    WINHTTP_AUTOPROXY_NO_DIRECTACCESS = $00040000;    
+    WINHTTP_AUTOPROXY_NO_CACHE_CLIENT = $00080000;    
+    WINHTTP_AUTOPROXY_NO_CACHE_SVC = $00100000;    
+    WINHTTP_AUTOPROXY_SORT_RESULTS = $00400000;    
+    WINHTTP_AUTO_DETECT_TYPE_DHCP = $00000001;    
+    WINHTTP_AUTO_DETECT_TYPE_DNS_A = $00000002;    
+    NETWORKING_KEY_BUFSIZE = 128;    
+    WINHTTP_TIME_FORMAT_BUFSIZE = 62;    
+    WINHTTP_OPTION_CALLBACK = 1;    
+    WINHTTP_FIRST_OPTION = WINHTTP_OPTION_CALLBACK;    
+    WINHTTP_OPTION_RESOLVE_TIME = 2;    
+    WINHTTP_OPTION_CONNECT_TIME = 3;    
+    WINHTTP_OPTION_CONNECT_RETRIES = 4;    
+    WINHTTP_OPTION_SEND_TIME = 5;    
+    WINHTTP_OPTION_RECEIVE_TIME = 6;    
+    WINHTTP_OPTION_RECEIVE_RESPONSE_TIME = 7;    
+    WINHTTP_OPTION_HANDLE_TYPE = 9;    
+    WINHTTP_OPTION_READ_BUFFER_SIZE = 12;    
+    WINHTTP_OPTION_WRITE_BUFFER_SIZE = 13;    
+    WINHTTP_OPTION_PARENT_HANDLE = 21;    
+    WINHTTP_OPTION_EXTENDED_ERROR = 24;    
+    WINHTTP_OPTION_SECURITY_FLAGS = 31;    
+    WINHTTP_OPTION_SECURITY_CERTIFICATE_STRUCT = 32;    
+    WINHTTP_OPTION_URL = 34;    
+    WINHTTP_OPTION_SECURITY_KEY_BITNESS = 36;    
+    WINHTTP_OPTION_PROXY = 38;    
+    WINHTTP_OPTION_PROXY_RESULT_ENTRY = 39;    
+    WINHTTP_OPTION_USER_AGENT = 41;    
+    WINHTTP_OPTION_CONTEXT_VALUE = 45;    
+    WINHTTP_OPTION_CLIENT_CERT_CONTEXT = 47;    
+    WINHTTP_OPTION_REQUEST_PRIORITY = 58;    
+    WINHTTP_OPTION_HTTP_VERSION = 59;    
+    WINHTTP_OPTION_DISABLE_FEATURE = 63;    
+    WINHTTP_OPTION_CODEPAGE = 68;    
+    WINHTTP_OPTION_MAX_CONNS_PER_SERVER = 73;    
+    WINHTTP_OPTION_MAX_CONNS_PER_1_0_SERVER = 74;    
+    WINHTTP_OPTION_AUTOLOGON_POLICY = 77;    
+    WINHTTP_OPTION_SERVER_CERT_CONTEXT = 78;    
+    WINHTTP_OPTION_ENABLE_FEATURE = 79;    
+    WINHTTP_OPTION_WORKER_THREAD_COUNT = 80;    
+    WINHTTP_OPTION_PASSPORT_COBRANDING_TEXT = 81;    
+    WINHTTP_OPTION_PASSPORT_COBRANDING_URL = 82;    
+    WINHTTP_OPTION_CONFIGURE_PASSPORT_AUTH = 83;    
+    WINHTTP_OPTION_SECURE_PROTOCOLS = 84;    
+    WINHTTP_OPTION_ENABLETRACING = 85;    
+    WINHTTP_OPTION_PASSPORT_SIGN_ = 86;    
+    WINHTTP_OPTION_PASSPORT_RETURN_URL = 87;    
+    WINHTTP_OPTION_REDIRECT_POLICY = 88;    
+    WINHTTP_OPTION_MAX_HTTP_AUTOMATIC_REDIRECTS = 89;    
+    WINHTTP_OPTION_MAX_HTTP_STATUS_CONTINUE = 90;    
+    WINHTTP_OPTION_MAX_RESPONSE_HEADER_SIZE = 91;    
+    WINHTTP_OPTION_MAX_RESPONSE_DRAIN_SIZE = 92;    
+    WINHTTP_OPTION_CONNECTION_INFO = 93;    
+    WINHTTP_OPTION_CLIENT_CERT_ISSUER_LIST = 94;    
+    WINHTTP_OPTION_SPN = 96;    
+    WINHTTP_OPTION_GLOBAL_PROXY_CREDS = 97;    
+    WINHTTP_OPTION_GLOBAL_SERVER_CREDS = 98;    
+    WINHTTP_OPTION_UNLOAD_NOTIFY_EVENT = 99;    
+    WINHTTP_OPTION_REJECT_USERPWD_IN_URL = 100;    
+    WINHTTP_OPTION_USE_GLOBAL_SERVER_CREDENTIALS = 101;    
+    WINHTTP_OPTION_RECEIVE_PROXY_CONNECT_RESPONSE = 103;    
+    WINHTTP_OPTION_IS_PROXY_CONNECT_RESPONSE = 104;    
+    WINHTTP_OPTION_SERVER_SPN_USED = 106;    
+    WINHTTP_OPTION_PROXY_SPN_USED = 107;    
+    WINHTTP_OPTION_SERVER_CBT = 108;    
+    WINHTTP_OPTION_UNSAFE_HEADER_PARSING = 110;    
+    WINHTTP_OPTION_ASSURED_NON_BLOCKING_CALLBACKS = 111;    
+    WINHTTP_OPTION_UPGRADE_TO_WEB_SOCKET = 114;    
+    WINHTTP_OPTION_WEB_SOCKET_CLOSE_TIME = 115;    
+    WINHTTP_OPTION_WEB_SOCKET_KEEPALIVE_INTERVAL = 116;    
+    WINHTTP_OPTION_DECOMPRESSION = 118;    
+    WINHTTP_OPTION_WEB_SOCKET_RECEIVE_BUFFER_SIZE = 122;    
+    WINHTTP_OPTION_WEB_SOCKET_SEND_BUFFER_SIZE = 123;    
+    WINHTTP_OPTION_CONNECTION_FILTER = 131;    
+    WINHTTP_OPTION_ENABLE_HTTP_PROTOCOL = 133;    
+    WINHTTP_OPTION_HTTP_PROTOCOL_USED = 134;    
+    WINHTTP_OPTION_KDC_PROXY_SETTINGS = 136;    
+    WINHTTP_LAST_OPTION = WINHTTP_OPTION_KDC_PROXY_SETTINGS;    
+    WINHTTP_OPTION_USERNAME = $1000;    
+    WINHTTP_OPTION_PASSWORD = $1001;    
+    WINHTTP_OPTION_PROXY_USERNAME = $1002;    
+    WINHTTP_OPTION_PROXY_PASSWORD = $1003;    
+    WINHTTP_CONNS_PER_SERVER_UNLIMITED = $FFFFFFFF;    
+    WINHTTP_DECOMPRESSION_FLAG_GZIP = $00000001;    
+    WINHTTP_DECOMPRESSION_FLAG_DEFLATE = $00000002;    
+    WINHTTP_DECOMPRESSION_FLAG_ALL = WINHTTP_DECOMPRESSION_FLAG_GZIP or WINHTTP_DECOMPRESSION_FLAG_DEFLATE;    
+    WINHTTP_PROTOCOL_FLAG_HTTP2 = $1;    
+    WINHTTP_PROTOCOL_MASK = WINHTTP_PROTOCOL_FLAG_HTTP2;    
+    WINHTTP_AUTOLOGON_SECURITY_LEVEL_MEDIUM = 0;    
+    WINHTTP_AUTOLOGON_SECURITY_LEVEL_LOW = 1;    
+    WINHTTP_AUTOLOGON_SECURITY_LEVEL_HIGH = 2;    
+    WINHTTP_AUTOLOGON_SECURITY_LEVEL_DEFAULT = WINHTTP_AUTOLOGON_SECURITY_LEVEL_MEDIUM;    
+    WINHTTP_OPTION_REDIRECT_POLICY_NEVER = 0;    
+    WINHTTP_OPTION_REDIRECT_POLICY_DISALLOW_HTTPS_TO_HTTP = 1;    
+    WINHTTP_OPTION_REDIRECT_POLICY_ALWAYS = 2;    
+    WINHTTP_OPTION_REDIRECT_POLICY_LAST = WINHTTP_OPTION_REDIRECT_POLICY_ALWAYS;    
+    WINHTTP_OPTION_REDIRECT_POLICY_DEFAULT = WINHTTP_OPTION_REDIRECT_POLICY_DISALLOW_HTTPS_TO_HTTP;    
+    WINHTTP_DISABLE_PASSPORT_AUTH = $00000000;    
+    WINHTTP_ENABLE_PASSPORT_AUTH = $10000000;    
+    WINHTTP_DISABLE_PASSPORT_KEYRING = $20000000;    
+    WINHTTP_ENABLE_PASSPORT_KEYRING = $40000000;    
+    WINHTTP_DISABLE_COOKIES = $00000001;    
+    WINHTTP_DISABLE_REDIRECTS = $00000002;    
+    WINHTTP_DISABLE_AUTHENTICATION = $00000004;    
+    WINHTTP_DISABLE_KEEP_ALIVE = $00000008;    
+    WINHTTP_ENABLE_SSL_REVOCATION = $00000001;    
+    WINHTTP_ENABLE_SSL_REVERT_IMPERSONATION = $00000002;    
+    WINHTTP_DISABLE_SPN_SERVER_PORT = $00000000;    
+    WINHTTP_ENABLE_SPN_SERVER_PORT = $00000001;    
+    WINHTTP_OPTION_SPN_MASK = WINHTTP_ENABLE_SPN_SERVER_PORT;    
+
+
+  const
+    WINHTTP_HANDLE_TYPE_SESSION = 1;    
+    WINHTTP_HANDLE_TYPE_CONNECT = 2;    
+    WINHTTP_HANDLE_TYPE_REQUEST = 3;    
+    WINHTTP_AUTH_SCHEME_BASIC = $00000001;    
+    WINHTTP_AUTH_SCHEME_NTLM = $00000002;    
+    WINHTTP_AUTH_SCHEME_PASSPORT = $00000004;    
+    WINHTTP_AUTH_SCHEME_DIGEST = $00000008;    
+    WINHTTP_AUTH_SCHEME_NEGOTIATE = $00000010;    
+    WINHTTP_AUTH_TARGET_SERVER = $00000000;    
+    WINHTTP_AUTH_TARGET_PROXY = $00000001;    
+    SECURITY_FLAG_SECURE = $00000001;    
+    SECURITY_FLAG_STRENGTH_WEAK = $10000000;    
+    SECURITY_FLAG_STRENGTH_MEDIUM = $40000000;    
+    SECURITY_FLAG_STRENGTH_STRONG = $20000000;    
+    WINHTTP_CALLBACK_STATUS_FLAG_CERT_REV_FAILED = $00000001;    
+    WINHTTP_CALLBACK_STATUS_FLAG_INVALID_CERT = $00000002;    
+    WINHTTP_CALLBACK_STATUS_FLAG_CERT_REVOKED = $00000004;    
+    WINHTTP_CALLBACK_STATUS_FLAG_INVALID_CA = $00000008;    
+    WINHTTP_CALLBACK_STATUS_FLAG_CERT_CN_INVALID = $00000010;    
+    WINHTTP_CALLBACK_STATUS_FLAG_CERT_DATE_INVALID = $00000020;    
+    WINHTTP_CALLBACK_STATUS_FLAG_CERT_WRONG_USAGE = $00000040;    
+    WINHTTP_CALLBACK_STATUS_FLAG_SECURITY_CHANNEL_ERROR = $80000000;    
+    WINHTTP_FLAG_SECURE_PROTOCOL_SSL2 = $00000008;    
+    WINHTTP_FLAG_SECURE_PROTOCOL_SSL3 = $00000020;    
+    WINHTTP_FLAG_SECURE_PROTOCOL_TLS1 = $00000080;    
+    WINHTTP_FLAG_SECURE_PROTOCOL_TLS1_1 = $00000200;    
+    WINHTTP_FLAG_SECURE_PROTOCOL_TLS1_2 = $00000800;    
+    WINHTTP_FLAG_SECURE_PROTOCOL_ALL = (WINHTTP_FLAG_SECURE_PROTOCOL_SSL2 or WINHTTP_FLAG_SECURE_PROTOCOL_SSL3) or WINHTTP_FLAG_SECURE_PROTOCOL_TLS1;    
+
+    WINHTTP_CALLBACK_STATUS_RESOLVING_NAME = $00000001;    
+    WINHTTP_CALLBACK_STATUS_NAME_RESOLVED = $00000002;    
+    WINHTTP_CALLBACK_STATUS_CONNECTING_TO_SERVER = $00000004;    
+    WINHTTP_CALLBACK_STATUS_CONNECTED_TO_SERVER = $00000008;    
+    WINHTTP_CALLBACK_STATUS_SENDING_REQUEST = $00000010;    
+    WINHTTP_CALLBACK_STATUS_REQUEST_SENT = $00000020;    
+    WINHTTP_CALLBACK_STATUS_RECEIVING_RESPONSE = $00000040;    
+    WINHTTP_CALLBACK_STATUS_RESPONSE_RECEIVED = $00000080;    
+    WINHTTP_CALLBACK_STATUS_CLOSING_CONNECTION = $00000100;    
+    WINHTTP_CALLBACK_STATUS_CONNECTION_CLOSED = $00000200;    
+    WINHTTP_CALLBACK_STATUS_HANDLE_CREATED = $00000400;    
+    WINHTTP_CALLBACK_STATUS_HANDLE_CLOSING = $00000800;    
+    WINHTTP_CALLBACK_STATUS_DETECTING_PROXY = $00001000;    
+    WINHTTP_CALLBACK_STATUS_REDIRECT = $00004000;    
+    WINHTTP_CALLBACK_STATUS_INTERMEDIATE_RESPONSE = $00008000;    
+    WINHTTP_CALLBACK_STATUS_SECURE_FAILURE = $00010000;    
+    WINHTTP_CALLBACK_STATUS_HEADERS_AVAILABLE = $00020000;    
+    WINHTTP_CALLBACK_STATUS_DATA_AVAILABLE = $00040000;    
+    WINHTTP_CALLBACK_STATUS_READ_COMPLETE = $00080000;    
+    WINHTTP_CALLBACK_STATUS_WRITE_COMPLETE = $00100000;    
+    WINHTTP_CALLBACK_STATUS_REQUEST_ERROR = $00200000;    
+    WINHTTP_CALLBACK_STATUS_SENDREQUEST_COMPLETE = $00400000;    
+    WINHTTP_CALLBACK_STATUS_GETPROXYFORURL_COMPLETE = $01000000;    
+    WINHTTP_CALLBACK_STATUS_CLOSE_COMPLETE = $02000000;    
+    WINHTTP_CALLBACK_STATUS_SHUTDOWN_COMPLETE = $04000000;    
+    WINHTTP_CALLBACK_STATUS_SETTINGS_WRITE_COMPLETE = $10000000;    
+    WINHTTP_CALLBACK_STATUS_SETTINGS_READ_COMPLETE = $20000000;    
+    API_RECEIVE_RESPONSE = 1;    
+    API_QUERY_DATA_AVAILABLE = 2;    
+    API_READ_DATA = 3;    
+    API_WRITE_DATA = 4;    
+    API_SEND_REQUEST = 5;    
+    API_GET_PROXY_FOR_URL = 6;    
+    WINHTTP_CALLBACK_FLAG_RESOLVE_NAME = WINHTTP_CALLBACK_STATUS_RESOLVING_NAME or WINHTTP_CALLBACK_STATUS_NAME_RESOLVED;    
+    WINHTTP_CALLBACK_FLAG_CONNECT_TO_SERVER = WINHTTP_CALLBACK_STATUS_CONNECTING_TO_SERVER or WINHTTP_CALLBACK_STATUS_CONNECTED_TO_SERVER;    
+    WINHTTP_CALLBACK_FLAG_SEND_REQUEST = WINHTTP_CALLBACK_STATUS_SENDING_REQUEST or WINHTTP_CALLBACK_STATUS_REQUEST_SENT;    
+    WINHTTP_CALLBACK_FLAG_RECEIVE_RESPONSE = WINHTTP_CALLBACK_STATUS_RECEIVING_RESPONSE or WINHTTP_CALLBACK_STATUS_RESPONSE_RECEIVED;    
+    WINHTTP_CALLBACK_FLAG_CLOSE_CONNECTION = WINHTTP_CALLBACK_STATUS_CLOSING_CONNECTION or WINHTTP_CALLBACK_STATUS_CONNECTION_CLOSED;    
+    WINHTTP_CALLBACK_FLAG_HANDLES = WINHTTP_CALLBACK_STATUS_HANDLE_CREATED or WINHTTP_CALLBACK_STATUS_HANDLE_CLOSING;    
+    WINHTTP_CALLBACK_FLAG_DETECTING_PROXY = WINHTTP_CALLBACK_STATUS_DETECTING_PROXY;    
+    WINHTTP_CALLBACK_FLAG_REDIRECT = WINHTTP_CALLBACK_STATUS_REDIRECT;    
+    WINHTTP_CALLBACK_FLAG_INTERMEDIATE_RESPONSE = WINHTTP_CALLBACK_STATUS_INTERMEDIATE_RESPONSE;    
+    WINHTTP_CALLBACK_FLAG_SECURE_FAILURE = WINHTTP_CALLBACK_STATUS_SECURE_FAILURE;    
+    WINHTTP_CALLBACK_FLAG_SENDREQUEST_COMPLETE = WINHTTP_CALLBACK_STATUS_SENDREQUEST_COMPLETE;    
+    WINHTTP_CALLBACK_FLAG_HEADERS_AVAILABLE = WINHTTP_CALLBACK_STATUS_HEADERS_AVAILABLE;    
+    WINHTTP_CALLBACK_FLAG_DATA_AVAILABLE = WINHTTP_CALLBACK_STATUS_DATA_AVAILABLE;    
+    WINHTTP_CALLBACK_FLAG_READ_COMPLETE = WINHTTP_CALLBACK_STATUS_READ_COMPLETE;    
+    WINHTTP_CALLBACK_FLAG_WRITE_COMPLETE = WINHTTP_CALLBACK_STATUS_WRITE_COMPLETE;    
+    WINHTTP_CALLBACK_FLAG_REQUEST_ERROR = WINHTTP_CALLBACK_STATUS_REQUEST_ERROR;    
+    WINHTTP_CALLBACK_FLAG_GETPROXYFORURL_COMPLETE = WINHTTP_CALLBACK_STATUS_GETPROXYFORURL_COMPLETE;    
+    WINHTTP_CALLBACK_FLAG_ALL_COMPLETIONS = (((((WINHTTP_CALLBACK_STATUS_SENDREQUEST_COMPLETE or WINHTTP_CALLBACK_STATUS_HEADERS_AVAILABLE) or WINHTTP_CALLBACK_STATUS_DATA_AVAILABLE) or WINHTTP_CALLBACK_STATUS_READ_COMPLETE) or WINHTTP_CALLBACK_STATUS_WRITE_COMPLETE) or WINHTTP_CALLBACK_STATUS_REQUEST_ERROR) or WINHTTP_CALLBACK_STATUS_GETPROXYFORURL_COMPLETE;    
+    WINHTTP_CALLBACK_FLAG_ALL_NOTIFICATIONS = $ffffffff;    
+    WINHTTP_QUERY_MIME_VERSION = 0;    
+    WINHTTP_QUERY_CONTENT_TYPE = 1;    
+    WINHTTP_QUERY_CONTENT_TRANSFER_ENCODING = 2;    
+    WINHTTP_QUERY_CONTENT_ID = 3;    
+    WINHTTP_QUERY_CONTENT_DESCRIPTION = 4;    
+    WINHTTP_QUERY_CONTENT_LENGTH = 5;    
+    WINHTTP_QUERY_CONTENT_LANGUAGE = 6;    
+    WINHTTP_QUERY_ALLOW = 7;    
+    WINHTTP_QUERY_PUBLIC = 8;    
+    WINHTTP_QUERY_DATE = 9;    
+    WINHTTP_QUERY_EXPIRES = 10;    
+    WINHTTP_QUERY_LAST_MODIFIED = 11;    
+    WINHTTP_QUERY_MESSAGE_ID = 12;    
+    WINHTTP_QUERY_URI = 13;    
+    WINHTTP_QUERY_DERIVED_FROM = 14;    
+    WINHTTP_QUERY_COST = 15;    
+    WINHTTP_QUERY_LINK = 16;    
+    WINHTTP_QUERY_PRAGMA = 17;    
+    WINHTTP_QUERY_VERSION = 18;    
+    WINHTTP_QUERY_STATUS_CODE = 19;    
+    WINHTTP_QUERY_STATUS_TEXT = 20;    
+    WINHTTP_QUERY_RAW_HEADERS = 21;    
+    WINHTTP_QUERY_RAW_HEADERS_CRLF = 22;    
+    WINHTTP_QUERY_CONNECTION = 23;    
+    WINHTTP_QUERY_ACCEPT = 24;    
+    WINHTTP_QUERY_ACCEPT_CHARSET = 25;    
+    WINHTTP_QUERY_ACCEPT_ENCODING = 26;    
+    WINHTTP_QUERY_ACCEPT_LANGUAGE = 27;    
+    WINHTTP_QUERY_AUTHORIZATION = 28;    
+    WINHTTP_QUERY_CONTENT_ENCODING = 29;    
+    WINHTTP_QUERY_FORWARDED = 30;    
+    WINHTTP_QUERY_FROM = 31;    
+    WINHTTP_QUERY_IF_MODIFIED_SINCE = 32;    
+    WINHTTP_QUERY_LOCATION = 33;    
+    WINHTTP_QUERY_ORIG_URI = 34;    
+    WINHTTP_QUERY_REFERER = 35;    
+    WINHTTP_QUERY_RETRY_AFTER = 36;    
+    WINHTTP_QUERY_SERVER = 37;    
+    WINHTTP_QUERY_TITLE = 38;    
+    WINHTTP_QUERY_USER_AGENT = 39;    
+    WINHTTP_QUERY_WWW_AUTHENTICATE = 40;    
+    WINHTTP_QUERY_PROXY_AUTHENTICATE = 41;    
+    WINHTTP_QUERY_ACCEPT_RANGES = 42;    
+    WINHTTP_QUERY_SET_COOKIE = 43;    
+    WINHTTP_QUERY_COOKIE = 44;    
+    WINHTTP_QUERY_REQUEST_METHOD = 45;    
+    WINHTTP_QUERY_REFRESH = 46;    
+    WINHTTP_QUERY_CONTENT_DISPOSITION = 47;    
+    WINHTTP_QUERY_AGE = 48;    
+    WINHTTP_QUERY_CACHE_CONTROL = 49;    
+    WINHTTP_QUERY_CONTENT_BASE = 50;    
+    WINHTTP_QUERY_CONTENT_LOCATION = 51;    
+    WINHTTP_QUERY_CONTENT_MD5 = 52;    
+    WINHTTP_QUERY_CONTENT_RANGE = 53;    
+    WINHTTP_QUERY_ETAG = 54;    
+    WINHTTP_QUERY_HOST = 55;    
+    WINHTTP_QUERY_IF_MATCH = 56;    
+    WINHTTP_QUERY_IF_NONE_MATCH = 57;    
+    WINHTTP_QUERY_IF_RANGE = 58;    
+    WINHTTP_QUERY_IF_UNMODIFIED_SINCE = 59;    
+    WINHTTP_QUERY_MAX_FORWARDS = 60;    
+    WINHTTP_QUERY_PROXY_AUTHORIZATION = 61;    
+    WINHTTP_QUERY_RANGE = 62;    
+    WINHTTP_QUERY_TRANSFER_ENCODING = 63;    
+    WINHTTP_QUERY_UPGRADE = 64;    
+    WINHTTP_QUERY_VARY = 65;    
+    WINHTTP_QUERY_VIA = 66;    
+    WINHTTP_QUERY_WARNING = 67;    
+    WINHTTP_QUERY_EXPECT = 68;    
+    WINHTTP_QUERY_PROXY_CONNECTION = 69;    
+    WINHTTP_QUERY_UNLESS_MODIFIED_SINCE = 70;    
+    WINHTTP_QUERY_PROXY_SUPPORT = 75;    
+    WINHTTP_QUERY_AUTHENTICATION_INFO = 76;    
+    WINHTTP_QUERY_PASSPORT_URLS = 77;    
+    WINHTTP_QUERY_PASSPORT_CONFIG = 78;    
+    WINHTTP_QUERY_MAX = 78;    
+    WINHTTP_QUERY_CUSTOM = 65535;    
+    WINHTTP_QUERY_FLAG_REQUEST_HEADERS = $80000000;    
+    WINHTTP_QUERY_FLAG_SYSTEMTIME = $40000000;    
+    WINHTTP_QUERY_FLAG_NUMBER = $20000000;    
+    WINHTTP_QUERY_FLAG_NUMBER64 = $08000000;    
+    HTTP_STATUS_CONTINUE = 100;    
+    HTTP_STATUS_SWITCH_PROTOCOLS = 101;    
+    HTTP_STATUS_OK = 200;    
+    HTTP_STATUS_CREATED = 201;    
+    HTTP_STATUS_ACCEPTED = 202;    
+    HTTP_STATUS_PARTIAL = 203;    
+    HTTP_STATUS_NO_CONTENT = 204;    
+    HTTP_STATUS_RESET_CONTENT = 205;    
+    HTTP_STATUS_PARTIAL_CONTENT = 206;    
+    HTTP_STATUS_WEBDAV_MULTI_STATUS = 207;    
+    HTTP_STATUS_AMBIGUOUS = 300;    
+    HTTP_STATUS_MOVED = 301;    
+    HTTP_STATUS_REDIRECT = 302;    
+    HTTP_STATUS_REDIRECT_METHOD = 303;    
+    HTTP_STATUS_NOT_MODIFIED = 304;    
+    HTTP_STATUS_USE_PROXY = 305;    
+    HTTP_STATUS_REDIRECT_KEEP_VERB = 307;    
+    HTTP_STATUS_PERMANENT_REDIRECT = 308;    
+    HTTP_STATUS_BAD_REQUEST = 400;    
+    HTTP_STATUS_DENIED = 401;    
+    HTTP_STATUS_PAYMENT_REQ = 402;    
+    HTTP_STATUS_FORBIDDEN = 403;    
+    HTTP_STATUS_NOT_FOUND = 404;    
+    HTTP_STATUS_BAD_METHOD = 405;    
+    HTTP_STATUS_NONE_ACCEPTABLE = 406;    
+    HTTP_STATUS_PROXY_AUTH_REQ = 407;    
+    HTTP_STATUS_REQUEST_TIME = 408;    
+    HTTP_STATUS_CONFLICT = 409;    
+    HTTP_STATUS_GONE = 410;    
+    HTTP_STATUS_LENGTH_REQUIRED = 411;    
+    HTTP_STATUS_PRECOND_FAILED = 412;    
+    HTTP_STATUS_REQUEST_TOO_LARGE = 413;    
+    HTTP_STATUS_URI_TOO_LONG = 414;    
+    HTTP_STATUS_UNSUPPORTED_MEDIA = 415;    
+    HTTP_STATUS_RETRY_WITH = 449;    
+    HTTP_STATUS_SERVER_ERROR = 500;    
+    HTTP_STATUS_NOT_SUPPORTED = 501;    
+    HTTP_STATUS_BAD_GATEWAY = 502;    
+    HTTP_STATUS_SERVICE_UNAVAIL = 503;    
+    HTTP_STATUS_GATEWAY_TIME = 504;    
+    HTTP_STATUS_VERSION_NOT_SUP = 505;    
+    HTTP_STATUS_FIRST = HTTP_STATUS_CONTINUE;    
+    HTTP_STATUS_LAST = HTTP_STATUS_VERSION_NOT_SUP;    
+    ICU_NO_ENCODE = $20000000;    
+    ICU_DECODE = $10000000;    
+    ICU_NO_META = $08000000;    
+    ICU_ENCODE_SPACES_ONLY = $04000000;    
+    ICU_BROWSER_MODE = $02000000;    
+    ICU_ENCODE_PERCENT = $00001000;    
+    ICU_ESCAPE = $80000000;    
+    ICU_ESCAPE_AUTHORITY = $00002000;    
+    ICU_REJECT_USERPWD = $00004000;    
+    WINHTTP_ACCESS_TYPE_DEFAULT_PROXY = 0;    
+    WINHTTP_ACCESS_TYPE_NO_PROXY = 1;    
+    WINHTTP_ACCESS_TYPE_NAMED_PROXY = 3;    
+    WINHTTP_ACCESS_TYPE_AUTOMATIC_PROXY = 4;    
+    WINHTTP_NO_PROXY_NAME = Nil;    
+    WINHTTP_NO_PROXY_BYPASS = Nil;    
+    WINHTTP_NO_CLIENT_CERT_CONTEXT = Nil;    
+    WINHTTP_NO_REFERER = Nil;    
+    WINHTTP_DEFAULT_ACCEPT_TYPES = Nil;    
+    WINHTTP_ADDREQ_INDEX_MASK = $0000FFFF;    
+    WINHTTP_ADDREQ_FLAGS_MASK = $FFFF0000;    
+    WINHTTP_ADDREQ_FLAG_ADD_IF_NEW = $10000000;    
+    WINHTTP_ADDREQ_FLAG_ADD = $20000000;    
+    WINHTTP_ADDREQ_FLAG_COALESCE_WITH_COMMA = $40000000;    
+    WINHTTP_ADDREQ_FLAG_COALESCE_WITH_SEMICOLON = $01000000;    
+    WINHTTP_ADDREQ_FLAG_COALESCE = WINHTTP_ADDREQ_FLAG_COALESCE_WITH_COMMA;    
+    WINHTTP_ADDREQ_FLAG_REPLACE = $80000000;    
+    WINHTTP_IGNORE_REQUEST_TOTAL_LENGTH = 0;    
+    WINHTTP_NO_ADDITIONAL_HEADERS = Nil;    
+    WINHTTP_NO_REQUEST_DATA = Nil;    
+    WINHTTP_HEADER_NAME_BY_INDEX = Nil;    
+    WINHTTP_NO_PUT_BUFFER = Nil;    
+    WINHTTP_ERROR_BASE = 12000;    
+    ERROR_WINHTTPOF_HANDLES = WINHTTP_ERROR_BASE+1;    
+    ERROR_WINHTTP_TIME = WINHTTP_ERROR_BASE+2;    
+    ERROR_WINHTTP_INTERNAL_ERROR = WINHTTP_ERROR_BASE+4;    
+    ERROR_WINHTTP_INVALID_URL = WINHTTP_ERROR_BASE+5;    
+    ERROR_WINHTTP_UNRECOGNIZED_SCHEME = WINHTTP_ERROR_BASE+6;    
+    ERROR_WINHTTP_NAME_NOT_RESOLVED = WINHTTP_ERROR_BASE+7;    
+    ERROR_WINHTTP_INVALID_OPTION = WINHTTP_ERROR_BASE+9;    
+    ERROR_WINHTTP_OPTION_NOT_SETTABLE = WINHTTP_ERROR_BASE+11;    
+    ERROR_WINHTTP_SHUTDOWN = WINHTTP_ERROR_BASE+12;    
+    ERROR_WINHTTP_LOGIN_FAILURE = WINHTTP_ERROR_BASE+15;    
+    ERROR_WINHTTP_OPERATION_CANCELLED = WINHTTP_ERROR_BASE+17;    
+    ERROR_WINHTTP_INCORRECT_HANDLE_TYPE = WINHTTP_ERROR_BASE+18;    
+    ERROR_WINHTTP_INCORRECT_HANDLE_STATE = WINHTTP_ERROR_BASE+19;    
+    ERROR_WINHTTP_CANNOT_CONNECT = WINHTTP_ERROR_BASE+29;    
+    ERROR_WINHTTP_CONNECTION_ERROR = WINHTTP_ERROR_BASE+30;    
+    ERROR_WINHTTP_RESEND_REQUEST = WINHTTP_ERROR_BASE+32;    
+    ERROR_WINHTTP_CLIENT_AUTH_CERT_NEEDED = WINHTTP_ERROR_BASE+44;    
+    ERROR_WINHTTP_CANNOT_CALL_BEFORE_OPEN = WINHTTP_ERROR_BASE+100;    
+    ERROR_WINHTTP_CANNOT_CALL_BEFORE_SEND = WINHTTP_ERROR_BASE+101;    
+    ERROR_WINHTTP_CANNOT_CALL_AFTER_SEND = WINHTTP_ERROR_BASE+102;    
+    ERROR_WINHTTP_CANNOT_CALL_AFTER_OPEN = WINHTTP_ERROR_BASE+103;    
+    ERROR_WINHTTP_HEADER_NOT_FOUND = WINHTTP_ERROR_BASE+150;    
+    ERROR_WINHTTP_INVALID_SERVER_RESPONSE = WINHTTP_ERROR_BASE+152;    
+    ERROR_WINHTTP_INVALID_HEADER = WINHTTP_ERROR_BASE+153;    
+    ERROR_WINHTTP_INVALID_QUERY_REQUEST = WINHTTP_ERROR_BASE+154;    
+    ERROR_WINHTTP_HEADER_ALREADY_EXISTS = WINHTTP_ERROR_BASE+155;    
+    ERROR_WINHTTP_REDIRECT_FAILED = WINHTTP_ERROR_BASE+156;    
+    ERROR_WINHTTP_AUTO_PROXY_SERVICE_ERROR = WINHTTP_ERROR_BASE+178;    
+    ERROR_WINHTTP_BAD_AUTO_PROXY_SCRIPT = WINHTTP_ERROR_BASE+166;    
+    ERROR_WINHTTP_UNABLE_TO_DOWNLOAD_SCRIPT = WINHTTP_ERROR_BASE+167;    
+    ERROR_WINHTTP_UNHANDLED_SCRIPT_TYPE = WINHTTP_ERROR_BASE+176;    
+    ERROR_WINHTTP_SCRIPT_EXECUTION_ERROR = WINHTTP_ERROR_BASE+177;    
+    ERROR_WINHTTP_NOT_INITIALIZED = WINHTTP_ERROR_BASE+172;    
+    ERROR_WINHTTP_SECURE_FAILURE = WINHTTP_ERROR_BASE+175;    
+    ERROR_WINHTTP_SECURE_CERT_DATE_INVALID = WINHTTP_ERROR_BASE+37;    
+    ERROR_WINHTTP_SECURE_CERT_CN_INVALID = WINHTTP_ERROR_BASE+38;    
+    ERROR_WINHTTP_SECURE_INVALID_CA = WINHTTP_ERROR_BASE+45;    
+    ERROR_WINHTTP_SECURE_CERT_REV_FAILED = WINHTTP_ERROR_BASE+57;    
+    ERROR_WINHTTP_SECURE_CHANNEL_ERROR = WINHTTP_ERROR_BASE+157;    
+    ERROR_WINHTTP_SECURE_INVALID_CERT = WINHTTP_ERROR_BASE+169;    
+    ERROR_WINHTTP_SECURE_CERT_REVOKED = WINHTTP_ERROR_BASE+170;    
+    ERROR_WINHTTP_SECURE_CERT_WRONG_USAGE = WINHTTP_ERROR_BASE+179;    
+    ERROR_WINHTTP_AUTODETECTION_FAILED = WINHTTP_ERROR_BASE+180;    
+    ERROR_WINHTTP_HEADER_COUNT_EXCEEDED = WINHTTP_ERROR_BASE+181;    
+    ERROR_WINHTTP_HEADER_SIZE_OVERFLOW = WINHTTP_ERROR_BASE+182;    
+    ERROR_WINHTTP_CHUNKED_ENCODING_HEADER_SIZE_OVERFLOW = WINHTTP_ERROR_BASE+183;    
+    ERROR_WINHTTP_RESPONSE_DRAIN_OVERFLOW = WINHTTP_ERROR_BASE+184;    
+    ERROR_WINHTTP_CLIENT_CERT_NO_PRIVATE_KEY = WINHTTP_ERROR_BASE+185;    
+    ERROR_WINHTTP_CLIENT_CERT_NO_ACCESS_PRIVATE_KEY = WINHTTP_ERROR_BASE+186;    
+    ERROR_WINHTTP_CLIENT_AUTH_CERT_NEEDED_PROXY = WINHTTP_ERROR_BASE+187;    
+    ERROR_WINHTTP_SECURE_FAILURE_PROXY = WINHTTP_ERROR_BASE+188;    
+    WINHTTP_ERROR_LAST = WINHTTP_ERROR_BASE+188;    
+    WINHTTP_RESET_STATE = $00000001;    
+    WINHTTP_RESET_SWPAD_CURRENT_NETWORK = $00000002;    
+    WINHTTP_RESET_SWPAD_ALL = $00000004;    
+    WINHTTP_RESET_SCRIPT_CACHE = $00000008;    
+    WINHTTP_RESET_ALL = $0000FFFF;    
+    WINHTTP_RESET_NOTIFY_NETWORK_CHANGED = $00010000;    
+    WINHTTP_RESETOF_PROC = $00020000;    
+    WINHTTP_NO_HEADER_INDEX = Nil;    
+    WINHTTP_WEB_SOCKET_MAX_CLOSE_REASON_LENGTH = 123;    
+    WINHTTP_WEB_SOCKET_MIN_KEEPALIVE_VALUE = 15000;    
+
+type
+   PWSTR = LPWSTR;
+   HINTERNET = LPVOID;
+   LPHINTERNET = ^HINTERNET;
+   INTERNET_PORT = WORD;
+   LPINTERNET_PORT = ^INTERNET_PORT;
+   WINHTTP_ASYNC_RESULT = record
+        dwResult : DWORD_PTR;
+        dwError : DWORD;
+      end;
+    LPWINHTTP_ASYNC_RESULT = ^WINHTTP_ASYNC_RESULT;
+
+    HTTP_VERSION_INFO = record
+        dwMajorVersion : DWORD;
+        dwMinorVersion : DWORD;
+      end;
+    LPHTTP_VERSION_INFO = ^HTTP_VERSION_INFO;
+
+    INTERNET_SCHEME = longint;
+    LPINTERNET_SCHEME = ^INTERNET_SCHEME;
+
+    URL_COMPONENTS = record
+        dwStructSize : DWORD;
+        lpszScheme : LPWSTR;
+        dwSchemeLength : DWORD;
+        nScheme : INTERNET_SCHEME;
+        lpszHostName : LPWSTR;
+        dwHostNameLength : DWORD;
+        nPort : INTERNET_PORT;
+        lpszUserName : LPWSTR;
+        dwUserNameLength : DWORD;
+        lpszPassword : LPWSTR;
+        dwPasswordLength : DWORD;
+        lpszUrlPath : LPWSTR;
+        dwUrlPathLength : DWORD;
+        lpszExtraInfo : LPWSTR;
+        dwExtraInfoLength : DWORD;
+      end;
+    LPURL_COMPONENTS = ^URL_COMPONENTS;
+
+    URL_COMPONENTSW = URL_COMPONENTS;
+
+    LPURL_COMPONENTSW = LPURL_COMPONENTS;
+
+    WINHTTP_PROXY_INFO = record
+        dwAccessType : DWORD;
+        lpszProxy : LPWSTR;
+        lpszProxyBypass : LPWSTR;
+      end;
+    LPWINHTTP_PROXY_INFO = ^WINHTTP_PROXY_INFO;
+
+    WINHTTP_PROXY_INFOW = WINHTTP_PROXY_INFO;
+
+    LPWINHTTP_PROXY_INFOW = LPWINHTTP_PROXY_INFO;
+
+    WINHTTP_AUTOPROXY_OPTIONS = record
+        dwFlags : DWORD;
+        dwAutoDetectFlags : DWORD;
+        lpszAutoConfigUrl : LPCWSTR;
+        lpvReserved : LPVOID;
+        dwReserved : DWORD;
+        fAutoLogonIfChallenged : BOOL;
+      end;
+
+
+    _WINHTTP_PROXY_RESULT_ENTRY = record
+        fProxy : BOOL;
+        fBypass : BOOL;
+        ProxyScheme : INTERNET_SCHEME;
+        pwszProxy : PWSTR;
+        ProxyPort : INTERNET_PORT;
+      end;
+    WINHTTP_PROXY_RESULT_ENTRY = _WINHTTP_PROXY_RESULT_ENTRY;
+
+    _WINHTTP_PROXY_RESULT = record
+        cEntries : DWORD;
+        pEntries : ^WINHTTP_PROXY_RESULT_ENTRY;
+      end;
+    WINHTTP_PROXY_RESULT = _WINHTTP_PROXY_RESULT;
+
+    _WINHTTP_PROXY_RESULT_EX = record
+        cEntries : DWORD;
+        pEntries : ^WINHTTP_PROXY_RESULT_ENTRY;
+        hProxyDetectionHandle : HANDLE;
+        dwProxyInterfaceAffinity : DWORD;
+      end;
+    WINHTTP_PROXY_RESULT_EX = _WINHTTP_PROXY_RESULT_EX;
+    _WinHttpProxyNetworkKey = record
+        pbBuffer : array[0..(NETWORKING_KEY_BUFSIZE)-1] of byte;
+      end;
+    WINHTTP_PROXY_NETWORKING_KEY = _WinHttpProxyNetworkKey;
+    PWINHTTP_PROXY_NETWORKING_KEY = ^_WinHttpProxyNetworkKey;
+
+    _WINHTTP_PROXY_SETTINGS = record
+        dwStructSize : DWORD;
+        dwFlags : DWORD;
+        dwCurrentSettingsVersion : DWORD;
+        pwszConnectionName : PWSTR;
+        pwszProxy : PWSTR;
+        pwszProxyBypass : PWSTR;
+        pwszAutoconfigUrl : PWSTR;
+        pwszAutoconfigSecondaryUrl : PWSTR;
+        dwAutoDiscoveryFlags : DWORD;
+        pwszLastKnownGoodAutoConfigUrl : PWSTR;
+        dwAutoconfigReloadDelayMins : DWORD;
+        ftLastKnownDetectTime : FILETIME;
+        dwDetectedInterfaceIpCount : DWORD;
+        pdwDetectedInterfaceIp : PDWORD;
+        cNetworkKeys : DWORD;
+        pNetworkKeys : PWINHTTP_PROXY_NETWORKING_KEY;
+      end;
+    WINHTTP_PROXY_SETTINGS = _WINHTTP_PROXY_SETTINGS;
+    PWINHTTP_PROXY_SETTINGS = ^_WINHTTP_PROXY_SETTINGS;
+
+    WINHTTP_CERTIFICATE_INFO = record
+        ftExpiry : FILETIME;
+        ftStart : FILETIME;
+        lpszSubjectInfo : LPWSTR;
+        lpszIssuerInfo : LPWSTR;
+        lpszProtocolName : LPWSTR;
+        lpszSignatureAlgName : LPWSTR;
+        lpszEncryptionAlgName : LPWSTR;
+        dwKeySize : DWORD;
+      end;
+
+    
+    tagWINHTTP_CREDS = record
+        lpszUserName : LPSTR;
+        lpszPassword : LPSTR;
+        lpszRealm : LPSTR;
+        dwAuthScheme : DWORD;
+        lpszHostName : LPSTR;
+        dwPort : DWORD;
+      end;
+    WINHTTP_CREDS = tagWINHTTP_CREDS;
+    PWINHTTP_CREDS = ^tagWINHTTP_CREDS;
+
+    tagWINHTTP_CREDS_EX = record
+        lpszUserName : LPSTR;
+        lpszPassword : LPSTR;
+        lpszRealm : LPSTR;
+        dwAuthScheme : DWORD;
+        lpszHostName : LPSTR;
+        dwPort : DWORD;
+        lpszUrl : LPSTR;
+      end;
+    WINHTTP_CREDS_EX = tagWINHTTP_CREDS_EX;
+    PWINHTTP_CREDS_EX = ^tagWINHTTP_CREDS_EX;
+
+    WINHTTP_STATUS_CALLBACK = procedure(hInterneth: HINTERNET;
+    dwContext: DWORD_PTR; dwInternetStatus: DWORD; lpvStatusInformation: LPVOID;
+    dwStatusInformationLength: DWORD); stdcall;
+	LPWINHTTP_STATUS_CALLBACK = ^WINHTTP_STATUS_CALLBACK;
+	
+    WINHTTP_CURRENT_USER_IE_PROXY_CONFIG = record
+        fAutoDetect : BOOL;
+        lpszAutoConfigUrl : LPWSTR;
+        lpszProxy : LPWSTR;
+        lpszProxyBypass : LPWSTR;
+      end;
+
+    _WINHTTP_WEB_SOCKET_OPERATION = (WINHTTP_WEB_SOCKET_SEND_OPERATION := 0,
+      WINHTTP_WEB_SOCKET_RECEIVE_OPERATION := 1,
+      WINHTTP_WEB_SOCKET_CLOSE_OPERATION := 2,
+      WINHTTP_WEB_SOCKET_SHUTDOWN_OPERATION := 3
+      );
+    WINHTTP_WEB_SOCKET_OPERATION = _WINHTTP_WEB_SOCKET_OPERATION;
+
+    _WINHTTP_WEB_SOCKET_BUFFER_TYPE = (WINHTTP_WEB_SOCKET_BINARY_MESSAGE_BUFFER_TYPE := 0,
+      WINHTTP_WEB_SOCKET_BINARY_FRAGMENT_BUFFER_TYPE := 1,
+      WINHTTP_WEB_SOCKET_UTF8_MESSAGE_BUFFER_TYPE := 2,
+      WINHTTP_WEB_SOCKET_UTF8_FRAGMENT_BUFFER_TYPE := 3,
+      WINHTTP_WEB_SOCKET_CLOSE_BUFFER_TYPE := 4
+      );
+    WINHTTP_WEB_SOCKET_BUFFER_TYPE = _WINHTTP_WEB_SOCKET_BUFFER_TYPE;
+
+    _WINHTTP_WEB_SOCKET_CLOSE_STATUS = (WINHTTP_WEB_SOCKET_SUCCESS_CLOSE_STATUS := 1000,
+      WINHTTP_WEB_SOCKET_ENDPOINT_TERMINATED_CLOSE_STATUS := 1001,
+      WINHTTP_WEB_SOCKET_PROTOCOL_ERROR_CLOSE_STATUS := 1002,
+      WINHTTP_WEB_SOCKET_INVALID_DATA_TYPE_CLOSE_STATUS := 1003,
+      WINHTTP_WEB_SOCKET_EMPTY_CLOSE_STATUS := 1005,
+      WINHTTP_WEB_SOCKET_ABORTED_CLOSE_STATUS := 1006,
+      WINHTTP_WEB_SOCKET_INVALID_PAYLOAD_CLOSE_STATUS := 1007,
+      WINHTTP_WEB_SOCKET_POLICY_VIOLATION_CLOSE_STATUS := 1008,
+      WINHTTP_WEB_SOCKET_MESSAGE_TOO_BIG_CLOSE_STATUS := 1009,
+      WINHTTP_WEB_SOCKET_UNSUPPORTED_EXTENSIONS_CLOSE_STATUS := 1010,
+      WINHTTP_WEB_SOCKET_SERVER_ERROR_CLOSE_STATUS := 1011,
+      WINHTTP_WEB_SOCKET_SECURE_HANDSHAKE_ERROR_CLOSE_STATUS := 1015
+      );
+    WINHTTP_WEB_SOCKET_CLOSE_STATUS = _WINHTTP_WEB_SOCKET_CLOSE_STATUS;
+
+    _WINHTTP_WEB_SOCKET_ASYNC_RESULT = record
+        AsyncResult : WINHTTP_ASYNC_RESULT;
+        Operation : WINHTTP_WEB_SOCKET_OPERATION;
+      end;
+    WINHTTP_WEB_SOCKET_ASYNC_RESULT = _WINHTTP_WEB_SOCKET_ASYNC_RESULT;
+
+    _WINHTTP_WEB_SOCKET_STATUS = record
+        dwBytesTransferred : DWORD;
+        eBufferType : WINHTTP_WEB_SOCKET_BUFFER_TYPE;
+      end;
+    WINHTTP_WEB_SOCKET_STATUS = _WINHTTP_WEB_SOCKET_STATUS;
+
+  function WINHTTP_INVALID_STATUS_CALLBACK : WINHTTP_STATUS_CALLBACK;    
+
+  function WinHttpSetStatusCallback(hInternet:HINTERNET; lpfnInternetCallback:WINHTTP_STATUS_CALLBACK; dwNotificationFlags:DWORD; dwReserved:DWORD_PTR):WINHTTP_STATUS_CALLBACK;stdcall;external External_library name 'WinHttpSetStatusCallback';
+  function WinHttpTimeFromSystemTime(var pst:SYSTEMTIME; pwszTime:LPWSTR):WINBOOL;stdcall;external External_library name 'WinHttpTimeFromSystemTime';
+  function WinHttpTimeToSystemTime(pwszTime:LPCWSTR; var pst:SYSTEMTIME):WINBOOL;stdcall;external External_library name 'WinHttpTimeToSystemTime';
+  function WinHttpCrackUrl(pwszUrl:LPCWSTR; dwUrlLength:DWORD; dwFlags:DWORD; lpUrlComponents:LPURL_COMPONENTS):WINBOOL;stdcall;external External_library name 'WinHttpCrackUrl';
+  function WinHttpCreateUrl(lpUrlComponents:LPURL_COMPONENTS; dwFlags:DWORD; pwszUrl:LPWSTR; pdwUrlLength:LPDWORD):WINBOOL;stdcall;external External_library name 'WinHttpCreateUrl';
+  function WinHttpCheckPlatform:WINBOOL;stdcall;external External_library name 'WinHttpCheckPlatform';
+  function WinHttpGetDefaultProxyConfiguration(var pProxyInfo:WINHTTP_PROXY_INFO):BOOL;stdcall;external External_library name 'WinHttpGetDefaultProxyConfiguration';
+  function WinHttpSetDefaultProxyConfiguration(var pProxyInfo:WINHTTP_PROXY_INFO):BOOL;stdcall;external External_library name 'WinHttpSetDefaultProxyConfiguration';
+  function WinHttpOpen(pszAgentW:LPCWSTR; dwAccessType:DWORD; pszProxyW:LPCWSTR; pszProxyBypassW:LPCWSTR; dwFlags:DWORD):HINTERNET;stdcall;external External_library name 'WinHttpOpen';
+  function WinHttpCloseHandle(hInternet:HINTERNET):WINBOOL;stdcall;external External_library name 'WinHttpCloseHandle';
+  function WinHttpConnect(hSession:HINTERNET; pswzServerName:LPCWSTR; nServerPort:INTERNET_PORT; dwReserved:DWORD):HINTERNET;stdcall;external External_library name 'WinHttpConnect';
+  function WinHttpReadData(hRequest:HINTERNET; lpBuffer:LPVOID; dwNumberOfBytesToRead:DWORD; lpdwNumberOfBytesRead:LPDWORD):WINBOOL;stdcall;external External_library name 'WinHttpReadData';
+  function WinHttpWriteData(hRequest:HINTERNET; lpBuffer:LPCVOID; dwNumberOfBytesToWrite:DWORD; lpdwNumberOfBytesWritten:LPDWORD):WINBOOL;stdcall;external External_library name 'WinHttpWriteData';
+  function WinHttpQueryDataAvailable(hRequest:HINTERNET; lpdwNumberOfBytesAvailable:LPDWORD):WINBOOL;stdcall;external External_library name 'WinHttpQueryDataAvailable';
+  function WinHttpQueryOption(hInternet:HINTERNET; dwOption:DWORD; lpBuffer:LPVOID; lpdwBufferLength:LPDWORD):WINBOOL;stdcall;external External_library name 'WinHttpQueryOption';
+  function WinHttpSetOption(hInternet:HINTERNET; dwOption:DWORD; lpBuffer:LPVOID; dwBufferLength:DWORD):WINBOOL;stdcall;external External_library name 'WinHttpSetOption';
+  function WinHttpSetTimes(hInternet:HINTERNET; nResolveTime:longint; nConnectTime:longint; nSendTime:longint; nReceiveTime:longint):WINBOOL;stdcall;external External_library name 'WinHttpSetTimes';
+  function WinHttpIsHostInProxyBypassList(var pProxyInfo:WINHTTP_PROXY_INFO; pwszHost:PCWSTR; tScheme:INTERNET_SCHEME; nPort:INTERNET_PORT; var pfIsInBypassList:BOOL):DWORD;stdcall;external External_library name 'WinHttpIsHostInProxyBypassList';
+  function WinHttpOpenRequest(hConnect:HINTERNET; pwszVerb:LPCWSTR; pwszObjectName:LPCWSTR; pwszVersion:LPCWSTR; pwszReferrer:LPCWSTR; 
+            var ppwszAcceptTypes:LPCWSTR; dwFlags:DWORD):HINTERNET;stdcall;external External_library name 'WinHttpOpenRequest';
+  function WinHttpAddRequestHeaders(hRequest:HINTERNET; lpszHeaders:LPCWSTR; dwHeadersLength:DWORD; dwModifiers:DWORD):WINBOOL;stdcall;external External_library name 'WinHttpAddRequestHeaders';
+  function WinHttpSendRequest(hRequest:HINTERNET; lpszHeaders:LPCWSTR; dwHeadersLength:DWORD; lp:LPVOID; dwLength:DWORD; 
+            dwTotalLength:DWORD; dwContext:DWORD_PTR):WINBOOL;stdcall;external External_library name 'WinHttpSendRequest';
+ function WinHttpSetCredentials(hRequest:HINTERNET; AuthTargets:DWORD; AuthScheme:DWORD; pwszUserName:LPCWSTR; pwszPassword:LPCWSTR; 
+             pAuthParams:LPVOID):WINBOOL;stdcall;external External_library name 'WinHttpSetCredentials';
+  function WinHttpQueryAuthSchemes(hRequest:HINTERNET; lpdwSupportedSchemes:LPDWORD; lpdwFirstScheme:LPDWORD; pdwAuthTarget:LPDWORD):WINBOOL;stdcall;external External_library name 'WinHttpQueryAuthSchemes';
+  function WinHttpQueryAuthParams(hRequest:HINTERNET; AuthScheme:DWORD; var pAuthParams:LPVOID):WINBOOL;stdcall;external External_library name 'WinHttpQueryAuthParams';
+  function WinHttpReceiveResponse(hRequest:HINTERNET; lpReserved:LPVOID):BOOL;stdcall;external External_library name 'WinHttpReceiveResponse';
+  function WinHttpQueryHeaders(hRequest:HINTERNET; dwInfoLevel:DWORD; pwszName:LPCWSTR; lpBuffer:LPVOID; lpdwBufferLength:LPDWORD; 
+             lpdwIndex:LPDWORD):WINBOOL;stdcall;external External_library name 'WinHttpQueryHeaders';
+  function WinHttpDetectAutoProxyConfigUrl(dwAutoDetectFlags:DWORD; var ppwstrAutoConfigUrl:LPWSTR):WINBOOL;stdcall;external External_library name 'WinHttpDetectAutoProxyConfigUrl';
+  function WinHttpGetProxyForUrl(hSession:HINTERNET; lpcwszUrl:LPCWSTR; var pAutoProxyOptions:WINHTTP_AUTOPROXY_OPTIONS; var pProxyInfo:WINHTTP_PROXY_INFO):WINBOOL;stdcall;external External_library name 'WinHttpGetProxyForUrl';
+  function WinHttpCreateProxyResolver(hSession:HINTERNET; var phResolver:HINTERNET):DWORD;stdcall;external External_library name 'WinHttpCreateProxyResolver';
+  function WinHttpGetProxyForUrlEx(hResolver:HINTERNET; pcwszUrl:PCWSTR; var pAutoProxyOptions:WINHTTP_AUTOPROXY_OPTIONS; pContext:DWORD_PTR):DWORD;stdcall;external External_library name 'WinHttpGetProxyForUrlEx';
+  function WinHttpGetProxyForUrlEx2(hResolver:HINTERNET; pcwszUrl:PCWSTR; var pAutoProxyOptions:WINHTTP_AUTOPROXY_OPTIONS; cbInterfaceSelectionContext:DWORD; var pInterfaceSelectionContext:BYTE; 
+            pContext:DWORD_PTR):DWORD;stdcall;external External_library name 'WinHttpGetProxyForUrlEx2';
+  function WinHttpGetProxyResult(hResolver:HINTERNET; var pProxyResult:WINHTTP_PROXY_RESULT):DWORD;stdcall;external External_library name 'WinHttpGetProxyResult';
+  function WinHttpGetProxyResultEx(hResolver:HINTERNET; var pProxyResultEx:WINHTTP_PROXY_RESULT_EX):DWORD;stdcall;external External_library name 'WinHttpGetProxyResultEx';
+  procedure WinHttpFreeProxyResult(var pProxyResult:WINHTTP_PROXY_RESULT);stdcall;external External_library name 'WinHttpFreeProxyResult';
+  procedure WinHttpFreeProxyResultEx(var pProxyResultEx:WINHTTP_PROXY_RESULT_EX);stdcall;external External_library name 'WinHttpFreeProxyResultEx';
+  function WinHttpResetAutoProxy(hSession:HINTERNET; dwFlags:DWORD):DWORD;stdcall;external External_library name 'WinHttpResetAutoProxy';
+  function WinHttpGetIEProxyConfigForCurrentUser(var pProxyConfig:WINHTTP_CURRENT_USER_IE_PROXY_CONFIG):WINBOOL;stdcall;external External_library name 'WinHttpGetIEProxyConfigForCurrentUser';
+  function WinHttpWriteProxySettings(hSession:HINTERNET; fForceUpdate:BOOL; var pWinHttpProxySettings:WINHTTP_PROXY_SETTINGS):DWORD;stdcall;external External_library name 'WinHttpWriteProxySettings';
+  function WinHttpReadProxySettings(hSession:HINTERNET; pcwszConnectionName:PCWSTR; fFallBackToDefaultSettings:BOOL; fSetAutoDiscoverForDefaultSettings:BOOL; var pdwSettingsVersion:DWORD; 
+            var pfDefaultSettingsAreReturned:BOOL; var pWinHttpProxySettings:WINHTTP_PROXY_SETTINGS):DWORD;stdcall;external External_library name 'WinHttpReadProxySettings';
+  procedure WinHttpFreeProxySettings(var pWinHttpProxySettings:WINHTTP_PROXY_SETTINGS);stdcall;external External_library name 'WinHttpFreeProxySettings';
+  function WinHttpGetProxySettingsVersion(hSession:HINTERNET; var pdwProxySettingsVersion:DWORD):DWORD;stdcall;external External_library name 'WinHttpGetProxySettingsVersion';
+  function WinHttpWebSocketCompleteUpgrade(hRequest:HINTERNET; pContext:DWORD_PTR):HINTERNET;stdcall;external External_library name 'WinHttpWebSocketCompleteUpgrade';
+  function WinHttpWebSocketSend(hWebSocket:HINTERNET; eBufferType:WINHTTP_WEB_SOCKET_BUFFER_TYPE; pvBuffer:PVOID; dwBufferLength:DWORD):DWORD;stdcall;external External_library name 'WinHttpWebSocketSend';
+  function WinHttpWebSocketReceive(hWebSocket:HINTERNET; pvBuffer:PVOID; dwBufferLength:DWORD; var pdwBytesRead:DWORD; var peBufferType:WINHTTP_WEB_SOCKET_BUFFER_TYPE):DWORD;stdcall;external External_library name 'WinHttpWebSocketReceive';
+  function WinHttpWebSocketShutdown(hWebSocket:HINTERNET; usStatus:USHORT; pvReason:PVOID; dwReasonLength:DWORD):DWORD;stdcall;external External_library name 'WinHttpWebSocketShutdown';
+  function WinHttpWebSocketClose(hWebSocket:HINTERNET; usStatus:USHORT; pvReason:PVOID; dwReasonLength:DWORD):DWORD;stdcall;external External_library name 'WinHttpWebSocketClose';
+  function WinHttpWebSocketQueryCloseStatus(hWebSocket:HINTERNET; var pusStatus:USHORT; pvReason:PVOID; dwReasonLength:DWORD; var pdwReasonLengthConsumed:DWORD):DWORD;stdcall;external External_library name 'WinHttpWebSocketQueryCloseStatus';
+
+
+implementation
+
+  function WINHTTP_INVALID_STATUS_CALLBACK : WINHTTP_STATUS_CALLBACK;
+    begin
+      WINHTTP_INVALID_STATUS_CALLBACK:=WINHTTP_STATUS_CALLBACK(-(1));
+    end;
+
+
+end.