private void lineMasterToolStripMenuItem_Click(object sender, EventArgs e)
{
this.gDIToolStripMenuItem.ForeColor = Color.White;
if (lineMaster == null)
{
lineMaster = new LineMaster();
lineMaster.MdiParent = this;
lineMaster.FormClosed += new FormClosedEventHandler(lMaster_Close);
lineMaster.Show();
}
else
{
lineMaster.Activate();
}
lineMaster.WindowState = FormWindowState.Maximized;
}
private void lMaster_Close(object sender, FormClosedEventArgs e)
{
lineMaster = null;
}