[Mono-bugs] [Bug 80917][Nor] New - Controls with DisplayRectangle returning values different from ClientRectangle do not lay out their children properly

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Changed by georgegiolfan at yahoo.com.

http://bugzilla.ximian.com/show_bug.cgi?id=80917

--- shadow/80917	2007-02-20 21:31:28.000000000 -0500
+++ shadow/80917.tmp.31882	2007-02-20 21:31:28.000000000 -0500
@@ -0,0 +1,48 @@
+Bug#: 80917
+Product: Mono: Class Libraries
+Version: 1.2
+OS: other
+OS Details: 
+Status: NEW   
+Resolution: 
+Severity: 
+Priority: Normal
+Component: Windows.Forms
+AssignedTo: toshok at ximian.com                            
+ReportedBy: georgegiolfan at yahoo.com               
+QAContact: mono-bugs at ximian.com
+TargetMilestone: ---
+URL: 
+Cc: 
+Summary: Controls with DisplayRectangle returning values different from ClientRectangle do not lay out their children properly
+
+Steps to reproduce the problem:
+Compile and run the following program.
+using System.Drawing;
+using System.Diagnostics;
+using System.Windows.Forms;
+class TestForm : Form {
+    static void Main() {
+        Application.Run(new TestForm());
+    }
+    public TestForm() {
+        Control c = new Control();
+        c.Anchor |= AnchorStyles.Bottom;
+        c.Size = new Size(100, 100);
+        Controls.Add(c);
+        Debug.Assert(c.Height == 100);
+    }
+    public override Rectangle DisplayRectangle {
+        get {
+            return Rectangle.Empty;
+        }
+    }
+}
+
+How often does this happen? 
+Always (on the SVN version).
+
+Additional Information:
+Bug 80863 is probably an instance of this one.
+Using ClientRectangle instead of DisplayRectangle in DefaultLayout (the 
+"space = parent.DisplayRectangle" lines) seems to fix it.