mirror of https://github.com/dahall/Vanara.git
54 lines
2.1 KiB
C#
54 lines
2.1 KiB
C#
using System;
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using Vanara.PInvoke;
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using static Vanara.PInvoke.Ole32;
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using static Vanara.PInvoke.OleAut32;
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using static Vanara.PInvoke.Shell32;
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namespace Vanara.Windows.Shell
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{
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/// <summary>
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/// Wraps the functionality of IInitializeCommand. When deriving, handling the <see cref="InitializeCommand"/> event is optional.
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/// </summary>
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/// <seealso cref="Vanara.Windows.Shell.ComObject"/>
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/// <seealso cref="Vanara.PInvoke.Shell32.IInitializeCommand"/>
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public abstract class ShellCommand : ComObject, IInitializeCommand
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{
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/// <summary>Initializes a new instance of the <see cref="ShellCommand"/> class.</summary>
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protected ShellCommand() : base()
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{
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}
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/// <summary>Initializes a new instance of the <see cref="ShellCommand"/> class.</summary>
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/// <param name="classContext">The context within which the COM object is to be run.</param>
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/// <param name="classUse">Indicates how connections are made to the class object.</param>
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protected ShellCommand(CLSCTX classContext, REGCLS classUse) : base(classContext, classUse)
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{
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}
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/// <summary>Occurs when the shell command is initialized.</summary>
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public event EventHandler InitializeCommand;
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/// <summary>Gets the name of the command returned by <c>IInitializeCommand.Initialize</c>.</summary>
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/// <value>
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/// The name of the command as found in the registry. This value is <see langword="null"/> until <c>IInitializeCommand.Initialize</c>
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/// is called by the host.
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/// </value>
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public string CommandName { get; private set; }
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/// <summary>Gets the properties exposed through <c>IInitializeCommand.Initialize</c>.</summary>
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/// <value>
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/// Gets a <see cref="PropertyBag"/> instance. This value is <see langword="null"/> until <c>IInitializeCommand.Initialize</c> is
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/// called by the host.
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/// </value>
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public PropertyBag Properties { get; private set; }
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/// <inheritdoc/>
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HRESULT IInitializeCommand.Initialize(string pszCommandName, IPropertyBag ppb)
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{
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CommandName = pszCommandName;
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Properties = new PropertyBag(ppb);
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InitializeCommand?.Invoke(this, EventArgs.Empty);
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return HRESULT.S_OK;
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}
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}
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} |