[DllImport("user32.dll", CharSet = CharSet.Auto)]
private static extern int SetWindowPos(IntPtr hWnd, int hWndInsertAfter, int x, int y, int Width, int Height, int flags);
private void MainForm_Load(object sender, EventArgs e)
{
SetWindowPos(this.Handle, -1, 0, 0, 0, 0, 1 | 2);
}