Reasons for why a WinForms label does not want to be transparent?

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Add a new class to your project and post the code shown below. Build. Drop the new control from the top of the toolbox onto your form.

using System;
using System.Windows.Forms;

public class TransparentLabel : Label {
  public TransparentLabel() {
    this.SetStyle(ControlStyles.Opaque, true);
    this.SetStyle(ControlStyles.OptimizedDoubleBuffer, false);
  }
  protected override CreateParams CreateParams {
    get {
      CreateParams parms = base.CreateParams;
      parms.ExStyle |= 0x20;  // Turn on WS_EX_TRANSPARENT
      return parms;
    }
  }
}

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