Beispiel #1
0
 private void userToolStripMenuItem_Click(object sender, EventArgs e)
 {
     clearChild();
     f2           = new FrmUser();
     f2.MdiParent = this;
     f2.Show();
 }
Beispiel #2
0
 private void userToolStripMenuItem_Click(object sender, EventArgs e)
 {
     if (f2 == null)
     {
         f2           = new FrmUser();
         f2.MdiParent = this;
         f2.Show();
     }
 }