コード例 #1
0
        protected virtual async Task CloseChildWindowAsync(IWin32Window windowHandle)
        {
            await Task.Run(() =>
            {
                IMdiChildForm mdiChildToClose = null;

                foreach (IMdiChildForm mdiChild in MdiChildren)
                {
                    if (mdiChild.WindowHandle == windowHandle)
                    {
                        mdiChildToClose = mdiChild;
                        break;
                    }
                }

                if (mdiChildToClose != null)
                {
                    MdiChildren.Remove(mdiChildToClose);

                    mdiChildToClose.CloseWindow();

                    mdiChildToClose.Dispose();
                }
            });
        }
コード例 #2
0
 /// <summary>
 /// 如果窗体已经打开激活即可.
 /// </summary>
 /// <param name="mdiParent">主窗体对象引用</param>
 /// <param name="formTypeName">子窗体的命名空间全名</param>
 /// <returns></returns>
 public static Form ActiveChildForm(Form mdiParent, string formTypeName)
 {
     for (int x = 0; x < mdiParent.MdiChildren.Length; x++)
     {
         string ss = mdiParent.MdiChildren[x].GetType().ToString().ToUpper(); //名字空间
         if (ss == formTypeName.ToUpper())                                    //找到字窗体
         {
             IMdiChildForm child = mdiParent.MdiChildren[x] as IMdiChildForm;
             if (child.AllowMultiInstatnce)
             {
                 continue;                            //跳过窗体副本
             }
             mdiParent.MdiChildren[x].Activate();
             return(mdiParent.MdiChildren[x]);
         }
     }
     return(null);
 }