Test some of the mainloop features

svn path=/trunk/winforms/; revision=33978

mainloop/Makefile

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+all: mono
+
+mono: swf-mainloop.cs
+	mcs swf-mainloop.cs /r:System.Windows.Forms.dll /r:System.Drawing.dll
+
+dotnet: swf-mainloop.cs
+	csc swf-mainloop.cs /r:System.Windows.Forms.dll /r:System.Drawing.dll
+
+clean:
+	rm swf-mainloop.exe -r -f

mainloop/swf-mainloop.cs

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+//
+// swf-mainloop.cs
+//
+// Author(s):
+//  Jackson Harper (jackson@ximian.com)
+//
+// Copyright (c) 2004 Novell, Inc (http://www.novell.com)
+//
+
+using System;
+using System.Drawing;
+using System.Threading;
+using System.Windows.Forms;
+
+namespace System.Windows.Forms {
+
+	public class MainLoopDemo : Form {
+
+		private Label idle_label;
+		private Label begininvoke_label;
+		private Label timer_label;
+
+		public MainLoopDemo ()
+		{
+			SuspendLayout ();
+
+			idle_label = new Label ();
+			idle_label.Anchor = AnchorStyles.Left | AnchorStyles.Right;
+			idle_label.TextAlign = ContentAlignment.MiddleCenter;
+			idle_label.Text = "Idle";
+			Controls.Add (idle_label);
+
+			begininvoke_label = new Label ();
+			begininvoke_label.Anchor = AnchorStyles.Left | AnchorStyles.Right;
+			begininvoke_label.Top = idle_label.Bottom + 10;
+			begininvoke_label.TextAlign = ContentAlignment.MiddleCenter;
+			begininvoke_label.Text = "begininvoke";
+			Controls.Add (begininvoke_label);
+
+			timer_label = new Label ();
+			timer_label.Anchor = AnchorStyles.Left | AnchorStyles.Right;
+			timer_label.Top = begininvoke_label.Bottom + 10;
+			timer_label.TextAlign = ContentAlignment.MiddleCenter;
+			timer_label.Text = "timer";
+			Controls.Add (timer_label);
+
+			ResumeLayout ();
+		}
+
+		private delegate void updater ();
+
+		private void UpdateLabel ()
+		{
+			while (true) {
+				lock (this) {
+					begininvoke_label.BeginInvoke (new updater (DateUpdater));
+				}
+				Thread.Sleep (500);
+			}
+		}
+
+		private void DateUpdater ()
+		{
+			begininvoke_label.Text = "BeginInvoke:	" + DateTime.Now.ToLongTimeString ();
+		}
+
+		private void TimerUpdater (object sender, EventArgs e)
+		{
+			timer_label.Text = "Timer:  " + DateTime.Now.ToLongTimeString ();
+		}
+
+		private void IdleHandler (object sender, EventArgs e)
+		{
+			idle_label.Text = "Idle:  " + DateTime.Now.ToLongTimeString ();
+		}
+
+		public static void Main ()
+		{
+			MainLoopDemo demo = new MainLoopDemo ();
+
+			ThreadStart thread_start = new ThreadStart (demo.UpdateLabel);	
+			Thread worker = new Thread (thread_start);
+			worker.IsBackground = true;
+			worker.Start();
+
+			Timer t = new Timer ();
+			t.Interval = 250;
+			t.Tick += new EventHandler (demo.TimerUpdater);
+			t.Enabled = true;
+
+			Application.Idle += new EventHandler (demo.IdleHandler);
+
+			Application.Run (demo);
+		}
+	}
+}
+