示例#1
0
 private void ra_closed( object sender, EventArgs e )
 {
     ra = null;
 }
示例#2
0
 private void RAM_Click( object sender, EventArgs e )
 {
     if ( ra == null )
     {
         ra = new RA();
         ra.MdiParent = this;
         ra.Closed += ra_closed;
         ra.Show();
     }
     else
     {
         ra.Activate();
     }
 }