分类: C/C++
2009-10-26 11:29:43
AFX_MANAGE_STATE(AfxGetStaticModuleState()); |
void ShowDlg(void) { //方法1:在函数开始处变更,在函数结束时恢复 //将AFX_MANAGE_STATE(AfxGetStaticModuleState());作为接口函数的第一//条语句进行模块状态切换 AFX_MANAGE_STATE(AfxGetStaticModuleState()); CDialog dlg(IDD_DLL_DIALOG);//打开ID为2000的对话框 dlg.DoModal(); } |
AFX_MODULE_STATE* AFXAPI AfxGetStaticModuleState( ); |
// AFX_MODULE_STATE (global data for a module) class AFX_MODULE_STATE : public CNoTrackObject { public: #ifdef _AFXDLL AFX_MODULE_STATE(BOOL bDLL, WNDPROC pfnAfxWndProc, DWORD dwVersion); AFX_MODULE_STATE(BOOL bDLL, WNDPROC pfnAfxWndProc, DWORD dwVersion,BOOL bSystem); #else AFX_MODULE_STATE(BOOL bDLL); #endif ~AFX_MODULE_STATE(); CWinApp* m_pCurrentWinApp; HINSTANCE m_hCurrentInstanceHandle; HINSTANCE m_hCurrentResourceHandle; LPCTSTR m_lpszCurrentAppName; … //省略后面的部分 } |
AFX_MANAGE_STATE( AFX_MODULE_STATE* pModuleState ) |
AfxGetResourceHandle(); AfxSetResourceHandle(HINSTANCE xxx); |
void ShowDlg(void) { //方法2的状态变更 HINSTANCE save_hInstance = AfxGetResourceHandle(); AfxSetResourceHandle(theApp.m_hInstance); CDialog dlg(IDD_DLL_DIALOG);//打开ID为2000的对话框 dlg.DoModal(); //方法2的状态还原 AfxSetResourceHandle(save_hInstance); } |
extern CSharedDllApp theApp; //需要声明theApp外部全局变量 void ShowDlg(void) { //方法2的状态变更 HINSTANCE save_hInstance = AfxGetResourceHandle(); AfxSetResourceHandle(theApp.m_hInstance); CDialog dlg(IDD_DLL_DIALOG);//打开ID为2000的对话框 dlg.DoModal(); //方法2的状态还原 AfxSetResourceHandle(save_hInstance); //使用方法2后在此处再进行操作针对的将是应用程序的资源 CDialog dlg1(IDD_DLL_DIALOG); //打开ID为2000的对话框 dlg1.DoModal(); } |
void ShowDlg(void) { CDialog dlg(IDD_DLL_DIALOG); //打开ID为2000的对话框 dlg.DoModal(); } |
void CSharedDllCallDlg::OnCalldllButton() { //方法3:由应用程序本身进行状态切换 //获取EXE模块句柄 HINSTANCE exe_hInstance = GetModuleHandle(NULL); //或者HINSTANCE exe_hInstance = AfxGetResourceHandle(); //获取DLL模块句柄 HINSTANCE dll_hInstance = GetModuleHandle("SharedDll.dll"); AfxSetResourceHandle(dll_hInstance); //切换状态 ShowDlg(); //此时显示的是DLL的对话框 AfxSetResourceHandle(exe_hInstance); //恢复状态 //资源模块恢复后再调用ShowDlg ShowDlg(); //此时显示的是EXE的对话框 } |