[Mono-patches] r43627 - trunk/gtk-sharp/doc/en/Gtk.DotNet

[Miguel de Icaza]

Author: miguel
Date: 2005-04-26 17:45:19 -0400 (Tue, 26 Apr 2005)
New Revision: 43627

Modified:
   trunk/gtk-sharp/doc/en/Gtk.DotNet/Graphics.xml
Log:
Update

Modified: trunk/gtk-sharp/doc/en/Gtk.DotNet/Graphics.xml
===================================================================
--- trunk/gtk-sharp/doc/en/Gtk.DotNet/Graphics.xml      2005-04-26 21:44:14 UTC 
(rev 43626)
+++ trunk/gtk-sharp/doc/en/Gtk.DotNet/Graphics.xml      2005-04-26 21:45:19 UTC 
(rev 43627)
@@ -28,11 +28,42 @@
         <Parameter Name="drawable" Type="Gdk.Drawable" />
       </Parameters>
       <Docs>
-        <summary>Gets a Graphics context for a drawable.</summary>
+        <summary>Gets a <see cref="T:System.Drawing.Graphics" /> context for a 
<see cref="T:Gdk.Drawable" /></summary>
         <param name="drawable">a <see cref="T:Gdk.Drawable" /></param>
         <returns>a <see cref="T:System.Drawing.Graphics" /></returns>
-        <remarks />
+        <remarks>Use this method to obtain a System.Drawing.Graphics context 
from a Gtk drawable.
+
+<para>
+   Both pixmaps (<see cref="T:Gdk.Pixmap" />) and windows (<see 
cref="T:Gdk.Window" />) are drawables (<see cref="T:Gdk.Drawable" />).
+</para><para>
+The following example shows how to create a custom widget that renders a mesh. 
 This example overrides the OnExposeEvent method and uses <see 
cref="N:System.Drawing" /> calls to do the actual drawing:
+</para><example>
+            <code lang="C#">
+using System.Drawing;
+using Gtk;
+
+class PrettyGraphic : DrawingArea {
+
+       public PrettyGraphic ()
+       {
+               SetSizeRequest (200, 200);
+       }
+                              
+       protected override bool OnExposeEvent (Gdk.EventExpose args)
+       {
+               using (Graphics g = Gtk.DotNet.Graphics.FromDrawable 
(args.Window)){
+                       Pen p = new Pen (Color.Blue, 1.0f);
+
+                       for (int i = 0; i &lt; 600; i += 60)
+                               for (int j = 0; j &lt; 600; j += 60)
+                                       g.DrawLine (p, i, 0, 0, j);
+               }
+               return true;
+       }
+}
+  </code>
+          </example></remarks>
       </Docs>
     </Member>
   </Members>
-</Type>
+</Type>
\ No newline at end of file

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