<strong>一、原因分析 <br></strong>this.WinData.AutoLoad.Mode = LoadMode.IFrame; <br>WinData.AnimateTarget = "BtnEdit"; <br>PHWin.Controls.Add(WinData); <br>使用PlaceHolder让窗口弹出具有动画效果 <br><br><strong>二、解决方案</strong> <br>this.WinData.AutoLoad.Mode = LoadMode.IFrame; <br>去掉动画效果即可