/// <include file='doc\Menu.uex' path='docs/doc[@for="Menu.Dispose"]/*' />
/// <devdoc>
/// Disposes of the component. Call dispose when the component is no longer needed.
/// This method removes the component from its container (if the component has a site)
/// and triggers the dispose event.
/// </devdoc>
protected override void Dispose(bool disposing)
{
if (disposing)
{
while (ItemCount > 0)
{
MenuItem item = items[--_itemCount];
// remove the item before we dispose it so it still has valid state
// for undo/redo
//
if (item.Site != null && item.Site.Container != null)
{
item.Site.Container.Remove(item);
}
item.Menu = null;
item.Dispose();
}
items = null;
}
if (handle != IntPtr.Zero)
{
UnsafeNativeMethods.DestroyMenu(new HandleRef(this, handle));
this.handle = IntPtr.Zero;
if (disposing)
{
ClearHandles();
}
}
base.Dispose(disposing);
}
/// <include file='doc\Menu.uex' path='docs/doc[@for="Menu.ClearHandles"]/*' />
/// <devdoc>
/// Notifies Menu that someone called Windows.DeleteMenu on its handle.
/// </devdoc>
/// <internalonly/>
internal void ClearHandles()
{
UnsafeNativeMethods.DestroyMenu(new HandleRef(this, handle));
handle = IntPtr.Zero;
if (created)
{
for (int i = 0; i < itemCount; i++)
{
items[i].ClearHandles();
}
created = false;
}
}
