mono/mcs/class/referencesource/System.Data/System/Data/Common/DBParameter.cs

//------------------------------------------------------------------------------
// <copyright file="DbParameter.cs" company="Microsoft">
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// </copyright>
// <owner current="true" primary="true">Microsoft</owner>
// <owner current="true" primary="false">Microsoft</owner>
//------------------------------------------------------------------------------

namespace System.Data.Common {

    using System;
    using System.ComponentModel;
    using System.Data;

    public abstract class DbParameter : MarshalByRefObject, IDbDataParameter { // V1.2.3300

        protected DbParameter() : base() {
        }

        [
        Browsable(false),
        DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden),
        RefreshProperties(RefreshProperties.All),
        ResCategoryAttribute(Res.DataCategory_Data),
        ResDescriptionAttribute(Res.DbParameter_DbType),
        ]
        abstract public DbType DbType {
            get;
            set;
        }

        [
        EditorBrowsableAttribute(EditorBrowsableState.Advanced)
        ]
        public abstract void ResetDbType();

        [
        DefaultValue(ParameterDirection.Input),
        RefreshProperties(RefreshProperties.All),
        ResCategoryAttribute(Res.DataCategory_Data),
        ResDescriptionAttribute(Res.DbParameter_Direction),
        ]
        abstract public ParameterDirection Direction {
            get;
            set;
        }

        [
        Browsable(false),
        DesignOnly(true),
        EditorBrowsableAttribute(EditorBrowsableState.Never)
        ]
        abstract public Boolean IsNullable {
            get;
            set;
        }

        [
        DefaultValue(""),
        ResCategoryAttribute(Res.DataCategory_Data),
        ResDescriptionAttribute(Res.DbParameter_ParameterName),
        ]
        abstract public String ParameterName {
            get;
            set;
        }

        byte IDbDataParameter.Precision { // SqlProjectTracking 17233
            get {
                return 0;
            }
            set {
            }
        }

        byte IDbDataParameter.Scale { // SqlProjectTracking 17233
            get {
                return 0;
            }
            set {
            }
        }

        virtual public byte Precision {
            get {
                return ((IDbDataParameter)this).Precision;
            }
            set {
                ((IDbDataParameter)this).Precision = value;
            }
        }

        virtual public byte Scale {
            get {
                return ((IDbDataParameter)this).Scale;
            }
            set {
                ((IDbDataParameter)this).Scale = value;
            }
        }

        [
        ResCategoryAttribute(Res.DataCategory_Data),
        ResDescriptionAttribute(Res.DbParameter_Size),
        ]
        abstract public int Size {
            get;
            set;
        }

        [
        DefaultValue(""),
        ResCategoryAttribute(Res.DataCategory_Update),
        ResDescriptionAttribute(Res.DbParameter_SourceColumn),
        ]
        abstract public String SourceColumn {
            get;
            set;
        }

        [
        DefaultValue(false),
        EditorBrowsableAttribute(EditorBrowsableState.Advanced),
        RefreshProperties(RefreshProperties.All),
        ResCategoryAttribute(Res.DataCategory_Update),
        ResDescriptionAttribute(Res.DbParameter_SourceColumnNullMapping),
        ]
        abstract public bool SourceColumnNullMapping {
            get;
            set;
        }

        [
        DefaultValue(DataRowVersion.Current),
        ResCategoryAttribute(Res.DataCategory_Update),
        ResDescriptionAttribute(Res.DbParameter_SourceVersion),
        ]
        virtual public DataRowVersion SourceVersion {
            get { return DataRowVersion.Default; }
            set { }
        }

        [
        DefaultValue(null),
        RefreshProperties(RefreshProperties.All),
        ResCategoryAttribute(Res.DataCategory_Data),
        ResDescriptionAttribute(Res.DbParameter_Value),
        ]
        abstract public object Value {
            get;
            set;
        }
    }
}