/// <include file='doc\TrayIcon.uex' path='docs/doc[@for="NotifyIcon.ShowContextMenu"]/*' />
/// <devdoc>
/// Shows the context menu for the tray icon.
/// </devdoc>
/// <internalonly/>
private void ShowContextMenu()
{
if (contextMenu != null)
{
NativeMethods.POINT pt = new NativeMethods.POINT();
UnsafeNativeMethods.GetCursorPos(pt);
// VS7 #38994
// The solution to this problem was found in MSDN Article ID: Q135788.
// Summary: the current window must be made the foreground window
// before calling TrackPopupMenuEx, and a task switch must be
// forced after the call.
UnsafeNativeMethods.SetForegroundWindow(new HandleRef(window, window.Handle));
contextMenu.OnPopup(EventArgs.Empty);
SafeNativeMethods.TrackPopupMenuEx(new HandleRef(contextMenu, contextMenu.Handle),
NativeMethods.TPM_VERTICAL,
pt.x,
pt.y,
new HandleRef(window, window.Handle),
null);
// Force task switch (see above)
UnsafeNativeMethods.PostMessage(new HandleRef(window, window.Handle), NativeMethods.WM_NULL, IntPtr.Zero, IntPtr.Zero);
}
}
/// <include file='doc\TrayIcon.uex' path='docs/doc[@for="NotifyIcon.ShowContextMenu"]/*' />
/// <devdoc>
/// Shows the context menu for the tray icon.
/// </devdoc>
/// <internalonly/>
private void ShowContextMenu()
{
if (contextMenu != null || contextMenuStrip != null)
{
NativeMethods.POINT pt = new NativeMethods.POINT();
UnsafeNativeMethods.GetCursorPos(pt);
// Summary: the current window must be made the foreground window
// before calling TrackPopupMenuEx, and a task switch must be
// forced after the call.
UnsafeNativeMethods.SetForegroundWindow(new HandleRef(window, window.Handle));
if (contextMenu != null)
{
contextMenu.OnPopup(EventArgs.Empty);
SafeNativeMethods.TrackPopupMenuEx(new HandleRef(contextMenu, contextMenu.Handle),
NativeMethods.TPM_VERTICAL | NativeMethods.TPM_RIGHTALIGN,
pt.x,
pt.y,
new HandleRef(window, window.Handle),
null);
// Force task switch (see above)
UnsafeNativeMethods.PostMessage(new HandleRef(window, window.Handle), NativeMethods.WM_NULL, IntPtr.Zero, IntPtr.Zero);
}
else if (contextMenuStrip != null)
{
// this will set the context menu strip to be toplevel
// and will allow us to overlap the system tray
contextMenuStrip.ShowInTaskbar(pt.x, pt.y);
}
}
}
