public static FormAdd GetSingle()
 {
     if (f == null || f.IsDisposed)
     {
         f = new FormAdd();
     }
     return(f);
 }
示例#2
0
 private void toolStripButton1_Click(object sender, EventArgs e)
 {
     addF           = FormAdd.GetSingle();
     addF.MdiParent = this;
     addF.Show();
 }