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+using System;
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+using System.IO;
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+using System.Runtime.InteropServices;
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+using System.Runtime.InteropServices.ComTypes;
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+using System.Text.RegularExpressions;
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+using EnvDTE;
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+
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+namespace GodotTools.OpenVisualStudio
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+{
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+ internal static class Program
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+ {
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+ [DllImport("ole32.dll")]
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+ private static extern int GetRunningObjectTable(int reserved, out IRunningObjectTable pprot);
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+
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+ [DllImport("ole32.dll")]
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+ private static extern void CreateBindCtx(int reserved, out IBindCtx ppbc);
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+
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+ [DllImport("user32.dll")]
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+ private static extern bool SetForegroundWindow(IntPtr hWnd);
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+
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+ private static void ShowHelp()
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+ {
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+ Console.WriteLine("Opens the file(s) in a Visual Studio instance that is editing the specified solution.");
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+ Console.WriteLine("If an existing instance for the solution is not found, a new one is created.");
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+ Console.WriteLine();
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+ Console.WriteLine("Usage:");
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+ Console.WriteLine(@" GodotTools.OpenVisualStudio.exe solution [file[;line[;col]]...]");
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+ Console.WriteLine();
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+ Console.WriteLine("Lines and columns begin at one. Zero or lower will result in an error.");
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+ Console.WriteLine("If a line is specified but a column is not, the line is selected in the text editor.");
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+ }
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+
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+ // STAThread needed, otherwise CoRegisterMessageFilter may return CO_E_NOT_SUPPORTED.
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+ [STAThread]
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+ private static int Main(string[] args)
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+ {
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+ if (args.Length == 0 || args[0] == "--help" || args[0] == "-h")
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+ {
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+ ShowHelp();
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+ return 0;
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+ }
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+
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+ string solutionFile = NormalizePath(args[0]);
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+
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+ var dte = FindInstanceEditingSolution(solutionFile);
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+
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+ if (dte == null)
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+ {
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+ // Open a new instance
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+
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+ var visualStudioDteType = Type.GetTypeFromProgID("VisualStudio.DTE.16.0", throwOnError: true);
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+ dte = (DTE)Activator.CreateInstance(visualStudioDteType);
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+
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+ dte.UserControl = true;
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+
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+ try
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+ {
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+ dte.Solution.Open(solutionFile);
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+ }
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+ catch (ArgumentException)
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+ {
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+ Console.Error.WriteLine("Solution.Open: Invalid path or file not found");
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+ return 1;
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+ }
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+
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+ dte.MainWindow.Visible = true;
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+ }
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+
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+ MessageFilter.Register();
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+
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+ try
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+ {
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+ // Open files
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+
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+ for (int i = 1; i < args.Length; i++)
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+ {
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+ // Both the line number and the column begin at one
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+
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+ string[] fileArgumentParts = args[i].Split(';');
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+
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+ string filePath = NormalizePath(fileArgumentParts[0]);
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+
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+ try
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+ {
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+ dte.ItemOperations.OpenFile(filePath);
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+ }
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+ catch (ArgumentException)
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+ {
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+ Console.Error.WriteLine("ItemOperations.OpenFile: Invalid path or file not found");
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+ return 1;
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+ }
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+
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+ if (fileArgumentParts.Length > 1)
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+ {
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+ if (int.TryParse(fileArgumentParts[1], out int line))
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+ {
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+ var textSelection = (TextSelection)dte.ActiveDocument.Selection;
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+
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+ if (fileArgumentParts.Length > 2)
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+ {
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+ if (int.TryParse(fileArgumentParts[2], out int column))
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+ {
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+ textSelection.MoveToLineAndOffset(line, column);
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+ }
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+ else
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+ {
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+ Console.Error.WriteLine("The column part of the argument must be a valid integer");
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+ return 1;
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+ }
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+ }
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+ else
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+ {
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+ textSelection.GotoLine(line, Select: true);
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+ }
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+ }
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+ else
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+ {
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+ Console.Error.WriteLine("The line part of the argument must be a valid integer");
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+ return 1;
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+ }
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+ }
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+ }
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+ }
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+ finally
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+ {
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+ var mainWindow = dte.MainWindow;
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+ mainWindow.Activate();
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+ SetForegroundWindow(new IntPtr(mainWindow.HWnd));
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+
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+ MessageFilter.Revoke();
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+ }
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+
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+ return 0;
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+ }
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+
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+ private static DTE FindInstanceEditingSolution(string solutionPath)
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+ {
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+ if (GetRunningObjectTable(0, out IRunningObjectTable pprot) != 0)
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+ return null;
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+
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+ try
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+ {
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+ pprot.EnumRunning(out IEnumMoniker ppenumMoniker);
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+ ppenumMoniker.Reset();
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+
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+ var moniker = new IMoniker[1];
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+
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+ while (ppenumMoniker.Next(1, moniker, IntPtr.Zero) == 0)
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+ {
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+ string ppszDisplayName;
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+
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+ CreateBindCtx(0, out IBindCtx ppbc);
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+
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+ try
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+ {
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+ moniker[0].GetDisplayName(ppbc, null, out ppszDisplayName);
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+ }
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+ finally
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+ {
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+ Marshal.ReleaseComObject(ppbc);
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+ }
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+
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+ if (ppszDisplayName == null)
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+ continue;
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+
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+ // The digits after the colon are the process ID
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+ if (!Regex.IsMatch(ppszDisplayName, "!VisualStudio.DTE.16.0:[0-9]"))
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+ continue;
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+
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+ if (pprot.GetObject(moniker[0], out object ppunkObject) == 0)
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+ {
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+ if (ppunkObject is DTE dte && dte.Solution.FullName.Length > 0)
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+ {
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+ if (NormalizePath(dte.Solution.FullName) == solutionPath)
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+ return dte;
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+ }
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+ }
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+ }
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+ }
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+ finally
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+ {
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+ Marshal.ReleaseComObject(pprot);
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+ }
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+
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+ return null;
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+ }
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+
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+ static string NormalizePath(string path)
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+ {
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+ return new Uri(Path.GetFullPath(path)).LocalPath
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+ .TrimEnd(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar)
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+ .ToUpperInvariant();
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+ }
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+
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+ #region MessageFilter. See: http: //msdn.microsoft.com/en-us/library/ms228772.aspx
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+
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+ private class MessageFilter : IOleMessageFilter
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+ {
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+ // Class containing the IOleMessageFilter
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+ // thread error-handling functions
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+
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+ private static IOleMessageFilter _oldFilter;
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+
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+ // Start the filter
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+ public static void Register()
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+ {
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+ IOleMessageFilter newFilter = new MessageFilter();
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+ int ret = CoRegisterMessageFilter(newFilter, out _oldFilter);
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+ if (ret != 0)
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+ Console.Error.WriteLine($"CoRegisterMessageFilter failed with error code: {ret}");
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+ }
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+
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+ // Done with the filter, close it
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+ public static void Revoke()
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+ {
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+ int ret = CoRegisterMessageFilter(_oldFilter, out _);
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+ if (ret != 0)
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+ Console.Error.WriteLine($"CoRegisterMessageFilter failed with error code: {ret}");
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+ }
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+
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+ //
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+ // IOleMessageFilter functions
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+ // Handle incoming thread requests
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+ int IOleMessageFilter.HandleInComingCall(int dwCallType, IntPtr hTaskCaller, int dwTickCount, IntPtr lpInterfaceInfo)
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+ {
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+ // Return the flag SERVERCALL_ISHANDLED
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+ return 0;
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+ }
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+
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+ // Thread call was rejected, so try again.
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+ int IOleMessageFilter.RetryRejectedCall(IntPtr hTaskCallee, int dwTickCount, int dwRejectType)
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+ {
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+ if (dwRejectType == 2)
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+ // flag = SERVERCALL_RETRYLATER
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+ {
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+ // Retry the thread call immediately if return >= 0 & < 100
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+ return 99;
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+ }
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+
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+ // Too busy; cancel call
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+ return -1;
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+ }
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+
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+ int IOleMessageFilter.MessagePending(IntPtr hTaskCallee, int dwTickCount, int dwPendingType)
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+ {
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+ // Return the flag PENDINGMSG_WAITDEFPROCESS
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+ return 2;
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+ }
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+
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+ // Implement the IOleMessageFilter interface
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+ [DllImport("ole32.dll")]
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+ private static extern int CoRegisterMessageFilter(IOleMessageFilter newFilter, out IOleMessageFilter oldFilter);
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+ }
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+
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+ [ComImport(), Guid("00000016-0000-0000-C000-000000000046"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
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+ private interface IOleMessageFilter
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+ {
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+ [PreserveSig]
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+ int HandleInComingCall(int dwCallType, IntPtr hTaskCaller, int dwTickCount, IntPtr lpInterfaceInfo);
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+
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+ [PreserveSig]
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+ int RetryRejectedCall(IntPtr hTaskCallee, int dwTickCount, int dwRejectType);
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+
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+ [PreserveSig]
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+ int MessagePending(IntPtr hTaskCallee, int dwTickCount, int dwPendingType);
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+ }
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+
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+ #endregion
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+ }
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+}
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Ignacio Etcheverry