我的主程序是对话框模式
为了给程序加上自己弄的屏保
新建了generic cwnd类(参考了网上的文章)
类中定义了 static LPCSTR lpszClassName;BOOL CMyScreenWnd::Create()中
if (lpszClassName==NULL)
{
lpszClassName=AfxRegisterWndClass(CS_HREDRAW | CS_VREDRAW, ::LoadCursor(AfxGetResourceHandle(),MAKEINTRESOURCE(IDC_NOCURSOR)));
}
和
CreateEx(WS_EX_TOPMOST,lpszClassName,_T(""),WS_VISIBLE | WS_POPUP,
rect.left,rect.top,rect.right-rect.left,rect.bottom-rect.top,
GetSafeHwnd(),NULL,NULL); //创建一个全屏窗口 结果编译没问题,连接时候有错误如下:Linking...
MyScreenWnd.obj : error LNK2001: unresolved external symbol "public: static char const * const CMyScreenWnd::lpszClassName" (?lpszClassName@CMyScreenWnd@@2PBDB)
Debug/MyScreenSaver.exe : fatal error LNK1120: 1 unresolved externals
Error executing link.exe.请问是怎么回事
为了给程序加上自己弄的屏保
新建了generic cwnd类(参考了网上的文章)
类中定义了 static LPCSTR lpszClassName;BOOL CMyScreenWnd::Create()中
if (lpszClassName==NULL)
{
lpszClassName=AfxRegisterWndClass(CS_HREDRAW | CS_VREDRAW, ::LoadCursor(AfxGetResourceHandle(),MAKEINTRESOURCE(IDC_NOCURSOR)));
}
和
CreateEx(WS_EX_TOPMOST,lpszClassName,_T(""),WS_VISIBLE | WS_POPUP,
rect.left,rect.top,rect.right-rect.left,rect.bottom-rect.top,
GetSafeHwnd(),NULL,NULL); //创建一个全屏窗口 结果编译没问题,连接时候有错误如下:Linking...
MyScreenWnd.obj : error LNK2001: unresolved external symbol "public: static char const * const CMyScreenWnd::lpszClassName" (?lpszClassName@CMyScreenWnd@@2PBDB)
Debug/MyScreenSaver.exe : fatal error LNK1120: 1 unresolved externals
Error executing link.exe.请问是怎么回事
{
lpszClassName=AfxRegisterWndClass(CS_HREDRAW | CS_VREDRAW, ::LoadCursor(AfxGetResourceHandle(),MAKEINTRESOURCE(IDC_NOCURSOR)));
}函数里怎么写成static LPCSTR CMyScreenWnd::lpszClassName啊
LPCSTR CMyScreenWnd::lpszClassName = NULL;