Methods for masking Ctrl+C in C#

This article describes the method of C# blocking Ctrl+C. The code is simple and easy to understand and has certain practical value. Share it for your reference. The specific methods are as follows:

The main implementation method is to rewrite WndProc, the code is as follows:

public class MyTextBox : TextBox
{
  public const int WM_COPY = 0x301;
  public const int WM_CUT = 0x300;
  protected override void WndProc(ref Message m)
  {
    if ( == WM_COPY ||  == WM_CUT) return;//Not handled    (ref m);
  }
}
(null);

I hope the C# example described in this article will be helpful to everyone.