/// <summary>
/// Register/Unregister for Clipboard events for the UiHierarchyWindow (solution explorer)
/// </summary>
/// <param name="register">true for register, false for unregister</param>
protected internal override void RegisterClipboardNotifications(bool register)
{
// Get the UiHierarchy window clipboard helper service
IVsUIHierWinClipboardHelper clipboardHelper = (IVsUIHierWinClipboardHelper)GetService(typeof(SVsUIHierWinClipboardHelper));
if (clipboardHelper == null)
{
return;
}
if (register && this.copyPasteCookie == 0)
{
// Register
ErrorHandler.ThrowOnFailure(clipboardHelper.AdviseClipboardHelperEvents(this, out this.copyPasteCookie));
Debug.Assert(this.copyPasteCookie != 0, "AdviseClipboardHelperEvents returned an invalid cookie");
}
else if (!register && this.copyPasteCookie != 0)
{
// Unregister
ErrorHandler.ThrowOnFailure(clipboardHelper.UnadviseClipboardHelperEvents(this.copyPasteCookie));
this.copyPasteCookie = 0;
}
}
