在MS Office中为VSTO中的自定义加载项更改Alt-键快捷方式

private void ThisAddIn_Startup(object sender, System.EventArgs e)
{
    // 获取当前应用程序对象
    var application = this.Application;

    // 获取快捷键设置对象
    var shortcutSettings = application.CommandBars.Settings;

    // 获取自定义加载项的命令栏对象
    var customToolbar = application.CommandBars["YourCustomToolbarName"];

    // 获取命令栏上的命令按钮对象
    var commandButton = customToolbar.Controls["YourCommandButtonName"];

    // 设置Alt键快捷方式
    shortcutSettings.UseShortcuts = true;
    shortcutSettings.DisplayShortcuts = true;
    shortcutSettings.UseAltAsShortcuts = true;
    shortcutSettings.ShortcutKeyDisplayString = "YourShortcutKey";
    shortcutSettings.AddCommandBarButton(commandButton);
}

[System.ComponentModel.ToolboxItem(true)]
public partial class ThisAddIn
{
    // ...
}