VC更改對話方塊程式中的APPNAME

看MSDN中CwinApp的CWinApp::m_pszAppName ，介紹如下

m_pszAppName is a public variable of type const char*.

Note   If you assign a value to m_pszAppName, it must be dynamically allocated on the heap. The CWinApp destructor calls free( ) with this pointer. You many want to use the _tcsdup( ) run-time library function to do the allocating. Also, free the memory associated
with the current pointer before assigning a new value. For example:

//First free the string allocated by MFC at CWinApp startup.
//The string is allocated before InitInstance is called.
free((void*)m_pszAppName);
//Change the name of the application file.
//The CWinApp destructor will free the memory.
m_pszAppName=_tcsdup(_T(“d:\\somedir\\myapp.exe”));

若要自行分配AppName，則先釋放m_pszAppName，再通過動態記憶體分配更改appname

即

free((void*)m_pszAppName);

m_pszAppName=_tcsdup(_T(“d:\\somedir\\myapp.exe”));

即可