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  1. using System;
  2. using System.Collections.Generic;
  3. using System.ComponentModel;
  4. using System.Data;
  5. using System.Drawing;
  6. using System.Linq;
  7. using System.Text;
  8. using System.Windows.Forms;
  9. using System.Runtime.InteropServices;
  10.  
  11. namespace test
  12. {
  13.     public partial class Form1 : Form
  14.     {
  15.  
  16.         [DllImport("dwmapi.dll")]
  17.         private static extern int DwmIsCompositionEnabled(out bool enabled);
  18.  
  19.         [DllImport("dwmapi.dll", PreserveSig = true)]
  20.         static extern int DwmExtendFrameIntoClientArea(IntPtr hwnd, ref MARGINS margins);
  21.  
  22.         [StructLayout(LayoutKind.Sequential)]
  23.         public struct MARGINS
  24.         {
  25.             public int leftWidth;
  26.             public int rightWidth;
  27.             public int topHeight;
  28.             public int bottomHeight;
  29.         }
  30.  
  31.         public Form1()
  32.         {
  33.             InitializeComponent();
  34.  
  35.             BackColor = Color.Black;
  36.  
  37.             bool DwmEnabled = false;
  38.             DwmIsCompositionEnabled(out DwmEnabled);
  39.             if (DwmEnabled == true)
  40.             {
  41.                 MARGINS margin;
  42.                 margin.leftWidth = -1;
  43.                 margin.rightWidth = 0;
  44.                 margin.topHeight = 0;
  45.                 margin.bottomHeight = 0;
  46.  
  47.                 DwmExtendFrameIntoClientArea(this.Handle, ref margin);
  48.             }
  49.         }
  50.     }
  51. }
  52.  
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https://ideone.com/F0a4x
language:
C# (gmcs 5.20.1)
created:
12 years ago
visibility:
public

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