How to implement customizing the prompt effect in the lower right corner of WinForm

This article describes the method of WinForm to implement custom prompt effects in the lower right corner. Share it for your reference. The specific implementation method is as follows:

using System;
using ;
using ;
using ;
using ;
using ;
using ;
using ;
namespace IcoFlickerApp
{
 public partial class FrmMain : Form
 {
  public FrmMain()
  {
   InitializeComponent();
   Rectangle rectangle = [0].WorkingArea;
    = ;
    = new Point( - , );
    = true;
    thread = new (() =>
   {
    while ( >=  - )
    {
     (new MethodInvoker(delegate
     {
       =  - 1;
      (1);
      ();
     }));
    }
   });
   ();
  }
 }
}

I hope this article will be helpful to everyone's C# programming.