if(CheckBox1 != null && CheckBox2 != null ) 转换为VB.net的代码应该是什么？ if(CheckBox1 != null && CheckBox2 != null ) 转换为VB.net的代码应该是什么？ __________________________________________________________________________ if not checkBox1 is nothing and checkBox2 is nothing then ^ end if __________________________________________________________________________ if checkBox1 is nothing and checkBox2 is nothing then ^ end if __________________________________________________________________________ 下面的正确，准备结体： If (Not CheckBox1 Is Nothing) And (Not CheckBox2 Is Nothing) Then __________________________________________________________________________ If( ( CheckBox1 IsNot Nothing) And (CheckBox2 IsNot Nothing) ) Then __________________________________________________________________________