WPF用户控制问题!! （开关） [英] WPF user control problem!! (Switch)

问题描述

比如标题，想用WPF进行Windows程序页面切换，使用的方法是：

新用户控件之后，先清除然后再添加。



方法大致如下：

 System_Function.System_Function_Button SFB =  new  System_Function_Button（）; 
 system_function1_panel1.Children.Clear（）; 
 system_function1_panel1.Children.Add（SFB）; 

但经过多次切换页面（按钮反复触发Clear和Add ）出现错误后，屏幕显示如下：

http://i.imgur.com/ N141GDB.png [ ^ ]



Windows将崩溃，解决〜

解决方案

Such as title, would like to do with WPF Windows program page switching, the method used is:
After new a user control, first to Clear and then Add.

Method approximately as follows:

System_Function.System_Function_Button SFB = new System_Function_Button();
system_function1_panel1.Children.Clear();
system_function1_panel1.Children.Add(SFB);

But after several switch pages (with the button repeatedly triggered Clear and Add) after an error, the screen that appears as follows:
http://i.imgur.com/N141GDB.png[^]

Windows will crash, solving ~

解决方案

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