表单的新实例覆盖了现有的表单变量声明。

I'm using Weifen Lous's Dock Panel Suite. In my code, I'm creating new instances of a form for my text editor which I dock in my application's main form. MDI parent-child stuffs. I'm having a problem every time I reinitialize the variable that holds an instance of my form.I'm using Weifen Lous's Dock Panel Suite. In my