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SearchWindowMenuCommand.cs
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SearchWindowMenuCommand.cs
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using System;
using System.ComponentModel.Design;
using System.Threading.Tasks;
using Microsoft.VisualStudio.Shell;
namespace Extension.SnippetSearch
{
/// <summary>
/// Command handler
/// </summary>
internal sealed class SnippetSearchMenuCommand
{
/// <summary>
/// Command ID.
/// </summary>
public const int CommandId = 0x0100;
/// <summary>
/// Command menu group (command set GUID).
/// </summary>
public static readonly Guid CommandSet = new Guid("e05530d0-618b-4eea-bbf7-49728865ebbd");
/// <summary>
/// VS Package that provides this command, not null.
/// </summary>
private readonly AsyncPackage package;
/// <summary>
/// Initializes a new instance of the <see cref="SnippetSearchMenuCommand"/> class.
/// Adds our command handlers for menu (commands must exist in the command table file)
/// </summary>
/// <param name="package">Owner package, not null.</param>
/// <param name="commandService">Command service to add command to, not null.</param>
private SnippetSearchMenuCommand(AsyncPackage package, OleMenuCommandService commandService)
{
this.package = package ?? throw new ArgumentNullException(nameof(package));
commandService = commandService ?? throw new ArgumentNullException(nameof(commandService));
var menuCommandID = new CommandID(CommandSet, CommandId);
var menuItem = new MenuCommand(Execute, menuCommandID);
commandService.AddCommand(menuItem);
}
/// <summary>
/// Gets the instance of the command.
/// </summary>
public static SnippetSearchMenuCommand Instance
{
get;
private set;
}
/// <summary>
/// Gets the service provider from the owner package.
/// </summary>
private IAsyncServiceProvider ServiceProvider
{
get
{
return this.package;
}
}
/// <summary>
/// Initializes the singleton instance of the command.
/// </summary>
/// <param name="package">Owner package, not null.</param>
public static async Task InitializeAsync(AsyncPackage package)
{
// Switch to the main thread - the call to AddCommand in SnippetSearchCommand's constructor requires
// the UI thread.
await ThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync(package.DisposalToken);
OleMenuCommandService commandService = await package.GetServiceAsync((typeof(IMenuCommandService))) as OleMenuCommandService;
Instance = new SnippetSearchMenuCommand(package, commandService);
}
/// <summary>
/// Shows the tool window when the menu item is clicked.
/// </summary>
/// <param name="sender">The event sender.</param>
/// <param name="e">The event args.</param>
private void Execute(object sender, EventArgs e)
{
this.package.JoinableTaskFactory.RunAsync(async delegate
{
ToolWindowPane window = await this.package.ShowToolWindowAsync(typeof(SearchWindow), 0, true, this.package.DisposalToken);
if ((null == window) || (null == window.Frame))
{
throw new NotSupportedException("Cannot create tool window");
}
});
}
}
}