Try This man
public void CallFuntion()
{
var Return = TapisKotak(Img, width, Heigth, StartX, StartY, RowsY, ColumnX)
bitmap img_processed = Return.Img;
int New_Coordinat_X = Return.X;
int New_Coordinat_Y = Return.Y;
}
public static (Bitmap Img, int X, int Y) TapisKotak(Bitmap Img,int Width,int Hight,int StartX,int StartY, int RowsY,int ColumnX)
{
bitmap Img_process=new bitmap(Img);
int New_Coordinat_X, New_Coordinat_Y;
return (Img_process, New_Coordinat_X, New_Coordinat_Y);
}