developer/Samples/NET 4.6/Samples for Parallel/Sudoku/Sudoku_CSharp/Controls/NoFlickerPanel.cs

   1 //--------------------------------------------------------------------------
   2 //
   3 //  Copyright (c) Microsoft Corporation.  All rights reserved.
   4 //
   5 //  File: NoFlickerPanel.cs
   6 //
   7 //  Description: A double-buffering and redraw-on-resizing panel.
   8 //
   9 //--------------------------------------------------------------------------
  10
  11 using System.Drawing;
  12 using System.Windows.Forms;
  13
  14 namespace Microsoft.ParallelComputingPlatform.ParallelExtensions.Samples.Sudoku.Controls
  15 {
  16         /// <summary>A derived panel that uses double buffering to prevent flicker.</summary>
  17         [ToolboxBitmap(typeof(Panel))]
  18         internal class NoFlickerPanel : Panel
  19         {
  20                 /// <summary>Initializes the panel.</summary>
  21                 public NoFlickerPanel()
  22                 {
  23                         SetStyle(
  24                                 ControlStyles.DoubleBuffer |
  25                                 ControlStyles.AllPaintingInWmPaint |
  26                                 ControlStyles.UserPaint |
  27                                 ControlStyles.ResizeRedraw |
  28                                 ControlStyles.SupportsTransparentBackColor, true);
  29                 }
  30         }
  31 }