https://bugzilla.novell.com/show_bug.cgi?id=328681
Summary: OnPaint with double buffering goes wrong
Product: Mono: Class Libraries
Version: 1.2
Platform: PC
OS/Version: Windows XP
Status: NEW
Severity: Normal
Priority: P5 - None
Component: Windows.Forms
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
QAContact: [EMAIL PROTECTED]
Found By: ---
Description of Problem:
It seems that the OnPaint method is not called correctly on UserControls when
using double buffering.
See code below: if the two lines are uncommented, the "control painted"
text is not shown after minimizing/maximizing for instance. Without double
buffering the text is shown correctly.
public class MyControl : UserControl
{
public MyControl()
{
this.Size = new Size(100, 100);
//SetStyle(ControlStyles.OptimizedDoubleBuffer, true); // do double
buffering
//SetStyle(ControlStyles.AllPaintingInWmPaint, true);
}
protected override void OnPaint(PaintEventArgs e)
{
Console.WriteLine("control painted");
}
}
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