Discussion on the Flicker of C winForm Form

Add the following code to the constructor:

this.DoubleBuffered = true;// Set up this form 

SetStyle(ControlStyles.UserPaint, true);

SetStyle(ControlStyles.AllPaintingInWmPaint, true); //  Disable erasing background .

SetStyle(ControlStyles.DoubleBuffer, true); //  Double buffering 

//SetStyle(ControlStyles.DoubleBuffer | ControlStyles.OptimizedDoubleBuffer | ControlStyles.AllPaintingInWmPaint, true);

//UpdateStyles();