本人用MFC ActiveX Control做了一个自定义的控件，里面封装了MSFlexGrid控件，在ActiveX Control Test Container 里面测试没有问题，但是想在新建的DLL Poject中的对话框里面插入此控件，却出现以下问题，不知道是哪里出错了。Debug Assertion Failed!
Program: ..iles\Microsoft Visual Studio .NET 2003\Common7\IDE\devenv.exe
File:winocc.cpp
Line:308For information on how your programm can cause an assertion failure, see the Visual
C++ documentation on asserts.
Program: ..iles\Microsoft Visual Studio .NET 2003\Common7\IDE\devenv.exe
File:winocc.cpp
Line:308For information on how your programm can cause an assertion failure, see the Visual
C++ documentation on asserts.
也许有的指针是空的.