C# (CSharp) WindowsFormsApplication1 AgregarCita示例

示例#1

 private void button2_Click(object sender, EventArgs e)
 {
     if (agregarCita == null)
     {
         agregarCita = new AgregarCita();
         agregarCita.Show();
         agregarCita.FormClosed += instanceHasBeenClosed;
     }
     else
     {
         agregarCita.Focus();
     }
 }

示例#2

 private void instanceHasBeenClosed(object sender, FormClosedEventArgs e)
 {
     agregarCita = null;
 }