MonoDevelop.Components.Commands.CommandManager.UpdateAppFocusStatus C# (CSharp) Method

		void UpdateAppFocusStatus (bool hasFocus, bool lastFocusedExists)
		{
			if (hasFocus != appHasFocus) {
				// The last focused window has been destroyed. Wait a few ms since another app's window
				// may gain focus again

				DateTime now = DateTime.Now;
				if (focusCheckDelayTimeout == DateTime.MinValue) {
					focusCheckDelayTimeout = now.AddMilliseconds (100);
					return;
				}

				if (now < focusCheckDelayTimeout)
					return;

				focusCheckDelayTimeout = DateTime.MinValue;
				
				appHasFocus = hasFocus;
				if (appHasFocus) {
					if (ApplicationFocusIn != null)
						ApplicationFocusIn (this, EventArgs.Empty);
				} else {
					if (ApplicationFocusOut != null)
						ApplicationFocusOut (this, EventArgs.Empty);
				}
			} else
				focusCheckDelayTimeout = DateTime.MinValue;
		}