9 if ( dwReason == DLL_PROCESS_ATTACH ) 10 ownApplication = QMfcApp::pluginInstance( hInstance ); 11 if ( dwReason == DLL_PROCESS_DETACH && ownApplication ) 12 delete qApp; 13 14 return TRUE; 15 } 16 17 //定义函数回调指针 18 typedef void (CALLBACK *FunCallBack)(int par); 19...
{staticboolownApplication =FALSE;if( dwReason ==DLL_PROCESS_ATTACH ) ownApplication=QMfcApp::pluginInstance( hInstance );if( dwReason == DLL_PROCESS_DETACH &&ownApplication )deleteqApp;returnTRUE; }//定义函数回调指针typedefvoid(CALLBACK *FunCallBack)(intpar);//定义回调函数FunCallBack OnEvent...
DllMain带有三个参数,hModule表示本dll的实例句柄(听不 懂就不理它,写过windows程序的自然懂),dwReason表示dll当前所处的状态,例如DLL_PROCESS_ATTACH表示dll刚刚被 加载到一个进程中,DLL_PROCESS_DETACH表示dll刚刚从一个进程中卸载。当然还有表示加载到线程中和从线程中卸载的状态,这里省略。最 后一个参数是一个...
if ( dwReason == DLL_PROCESS_ATTACH ) ownApplication = QMfcApp::pluginInstance( hInstance ); if ( dwReason == DLL_PROCESS_DETACH && ownApplication ) delete qApp; return TRUE; } //定义函数回调指针 typedef void (CALLBACK *FunCallBack)(int par); //定义回调函数 FunCallBack OnEvent=NULL...
if ( dwReason == DLL_PROCESS_DETACH && ownApplication ) delete qApp; return TRUE; } #include <qtwinmigrate/qmfcapp.h> #include <qtwinmigrate/qwinwidget.h> #include #include <windows.h> BOOL WINAPI DllMain( HINSTANCE hInstance, DWORD dwReason, LPVOID lpvReserved ) { static bool own...
if ( dwReason == DLL_PROCESS_DETACH && ownApplication ) delete qApp; return TRUE; } 大家都知道DllMain函数是windows动态库的入口函数,如果在dll中使用了QT的ui界面前,全局的QApplication必须首先要创建,并且应用程序必须创建EventLoop。 进入到QmfcApp::pluginInstance方法中去, ...
"windows.h"//windows下DLL函数入口BOOL WINAPI DllMain( HINSTANCE hInstance, DWORD dwReason, LPVOID lpvReserved ){ static bool ownApplication = FALSE; if ( dwReason == DLL_PROCESS_ATTACH ) ownApplication = QMfcApp::pluginInstance( hInstance ); if ( dwReason == DLL_PROCESS_DETACH && own...
( dwReason == DLL_PROCESS_DETACH && ownApplication ) 12 delete qApp; 13 14 return TRUE; 15 } 16 17 //定义函数回调指针 18 typedef void (CALLBACK *FunCallBack)(int par); 19 //定义回调函数 20 FunCallBack OnEvent=NULL; 21 //定义回调参数 22 int par; 23 24 //定义C语言类型导出...
case DLL-PROCESS-DETACH: { break; } } return TRUE; } int ShowMe(void) { //蜂鸣器响一下 MessageBeep((WORD)-1); MessageBox("你好!"); return 1; } 4.编译DLL文件 从Build选单中选择Build Sample.DLL,产生Sample.DLL文件,以后就可以随时调用了。
//此蔚dll的入口函数 static bool ownApplication = FALSE; //启动QAppliction,具体见帮助说明 if ( dwReason == DLL_PROCESS_ATTACH ) ownApplication = QMfcApp::pluginInstance( hInstance ); if ( dwReason == DLL_PROCESS_DETACH && ownApplication ) delete qApp; return TRUE; } //建立导出函数 ext...