Schlagwort: Maximized

Variante 1:

private void Form1_SizeChanged(object sender, EventArgs e)
{
	if (this.WindowState == FormWindowState.Maximized)
	{
		...
	}
}

Variante 2:

protected override void WndProc(ref Message m)
{
	if ((UInt32)m.Msg == Constant.WM_SYSCOMMAND)
	{
		switch ((UInt32)m.WParam)
		{
			case Constant.SC_MAXIMIZE:
                break;
			case Constant.SC_RESTORE:
                break;
			default:
				break;
		}
	}
	base.WndProc(ref m);
}