C#实现窗口的跳转

  

 1      private frmReworkInfo frmRwInfo;
 2      private void InformationMenuItem_Click(object sender, EventArgs e)
 3         {
 4             if (frmRwInfo == null || frmRwInfo.IsDisposed)
 5             {
 6                 this.MinimizeChildForm();
 7                 frmRwInfo = new frmReworkInfo(); 
 8                 frmRwInfo.MdiParent = this;
 9                 frmRwInfo.Show(); 
              }
         } 
 
         //Minimize All Child Forms
         private void MinimizeChildForm()
         {
             foreach (Form childForm in MdiChildren)
             {
                 if (childForm.WindowState != FormWindowState.Minimized)
                 {
                     childForm.WindowState = FormWindowState.Minimized;
                 }
             }
         }