コード例 #1
0
 private void btnKunde_Click(object sender, EventArgs e)
 {
     if (frmKun != null)
     {
         frmKun.BringToFront();
     }
     else
     {
         btnKunde.BackColor = Color.White;
         btnKunde.ForeColor = btnBackColor;
         frmKun             = new frmKunde();
         frmKun.Text        = "Kundenverwaltung";
         frmKun.Show();
     }
 }