2023年7月17日发(作者：)

如何使⽤visualstudio2019创建简单的MFC窗⼝（使⽤C++）本⽂介绍了如何使⽤visual studio2019创建简单的MFC窗⼝(使⽤C++)```cpp使⽤visual studio 2019 创建过程请参考Bili的上⼀篇⽂章⬇⬇→！使⽤visual studio 2019 创建简单的MFC窗⼝「使⽤底层的C语⾔」#include //底层实现窗⼝的头⽂件//6.处理窗⼝过程//CALLBACK 代表_stdcall 参数的传递顺序：从右到左依次⼊栈，并且函数返回前清空堆栈LRESULT CALLBACK WindowProc(HWND hand, //消息所属窗⼝句柄UINT uMsg, //具体消息名称 WM_XXXX消息名WPARAM wParam, //键盘附加消息LPARAM lParam) { //⿏标附加消息switch (uMsg){case WM_CLOSE://所有以XXXXWindow为结尾的⽅法，都不会进⼊到消息队列中，⽽是直接执⾏DestroyWindow(hand);//发送另⼀个消息WM_DESTROYbreak;case WM_DESTROY:PostQuitMessage(0);break;case WM_LBUTTONDOWN://⿏标左键按下{int xPos = LOWORD(lParam);int yPos = HIWORD(lParam);char buf[1024];wsprintf(buf, TEXT("x = %d,y = %d"),xPos,yPos);MessageBox(hand, buf, TEXT("按下⿏标左键"), MB_OK);break;}case WM_KEYDOWN: //键盘{MessageBox(hand, TEXT("键盘"), TEXT("按下键盘"), MB_OK);break;}case WM_PAINT: //画图{PAINTSTRUCT ps; //画图结构体HDC hdc = BeginPaint(hand, &ps);TextOut(hdc, 100, 100,TEXT("hello"), strlen("hello"));EndPaint(hand, &ps);break;}default:break;}//返回值⽤默认处理⽅式return DefWindowProc(hand, uMsg, wParam, lParam);}/*程序⼊⼝函数_In_ HINSTANCE hInstance,//应⽤程序实例句柄_In_opt_ HINSTANCE hPrevInstance,//上⼀个应⽤程序句柄，在WIN32环境下⼀般为NULL，不起作⽤了_In_ LPSTR lpCmdLine,//char * argv[]_In_ int nShowCmd//显⽰命令 最⼤化、最⼩化、正常WINAPI 代表_stdcall 参数的传递顺序：从右到左依次⼊栈，并且函数返回前清空堆栈*/int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd) {/*1.设计窗⼝2.注册窗⼝3.创建窗⼝4.显⽰和更新5.通过循环取消息6.处理消息（窗⼝过程）*///1.设计窗⼝WNDCLASS wc;xtra = 0; //类的额外的内存xtra = 0; //窗⼝额外的内存kground = (HBRUSH)GetStockObject(WHITE_BRUSH); //设置背景r = LoadCursor(NULL, IDC_HAND); //设置光标,如果第⼀个参数为null,代表使⽤系统提供的光标 = LoadIcon(NULL, IDI_ERROR); //图标,如果第⼀个参数为null，代表使⽤系统提供的图标nce = hInstance; //应⽤程序的实例句柄，传⼊winmain的形参即可dProc = WindowProc; //回调函数 窗⼝过程assName = TEXT("WIN"); //指定窗⼝名称nuName = NULL; //菜单名称 = 0; //显⽰风格，0代表默认//2.注册窗⼝RegisterClass(&wc);//3.创建窗⼝/*lpszClassName,//类名lpWindowName, //标题名dwStyle, //风格 WC_OVERLAPPEDWINDOWx, //坐标 CW_USERDEFAULTy, //坐标nWidth, //宽nHeight, //⾼hWndParent, //⽗窗⼝ nullhMenu, //菜单 nullhInstance, //实例句柄lpParam //附加值 ⿏标附加值*/HWND hwnd = CreateWindow(assName, TEXT("WINDOWS"), WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, NULL, NULL, hInstance, NULL);//4.显⽰和更新ShowWindow(hwnd, SW_SHOWNORMAL);UpdateWindow(hwnd);/*HWND hwnd; //主窗⼝句柄UINT message; //具体消息名称WPARAM wParam; //附加消息 键盘消息LPARAM lParam; //附加消息 ⿏标消息DWORD time; //消息产⽣时间POINT pt;*/ //附加消息 ⿏标消息 x，y//5.通过循环取消息MSG msg;/*_Out_ LPMSG lpMsg, //消息_In_opt_ HWND hWnd, //捕获窗⼝ 填null表⽰捕获所有窗⼝_In_ UINT wMsgFilterMin, //最⼤和最⼩的过滤消息 ⼀般填0_In_ UINT wMsgFilterMax);*/while (GetMessage(&msg, NULL, 0, 0)){/*if (GetMessage(&msg, NULL, 0, 0) == FALSE) {break;}*///翻译消息TranslateMessage(&msg);//不是false//分发消息DispatchMessage(&msg);}return 0;}划重点：项⽬->属性->常规->⾼级->将MFC的使⽤设置为在“共享dll中使⽤mfc”头⽂件mfc.h#include //mfc头⽂件class MyApp:public CWinApp{public:virtual BOOL InitInstance();};class MyFrame :public CFrameWnd {//窗⼝框架类public:MyFrame();//声明宏 提⽰消息映射机制DECLARE_MESSAGE_MAP();afx_msg void OnLButtonDown(UINT,CPoint);afx_msg void OnChar(UINT,UINT,UINT);afx_msg void OnPaint();};源⽂件#include “mfc.h”MyApp app;BOOL MyApp::InitInstance() {//创建窗⼝MyFrame* frame = new MyFrame;//显⽰和更新frame->ShowWindow(SW_SHOWNORMAL);frame->UpdateWindow();m_pMainWnd = frame;//保存指向应⽤程序的主窗⼝的指针return TRUE;//返回正常初始化}//分界宏BEGIN_MESSAGE_MAP(MyFrame, CFrameWnd)ON_WM_LBUTTONDOWN()//⿏标左键按下ON_WM_CHAR()ON_WM_PAINT()END_MESSAGE_MAP()MyFrame::MyFrame(){Create(NULL,TEXT(“windows”));}void MyFrame::OnLButtonDown(UINT, CPoint point){//TCHAR buf[1024];//wsprintf(buf, TEXT(“x = %d,y = %d”), point.x, point.y);//MessageBox(buf);CString str;(TEXT(“x = %d,y = %d”),point.x,point.y);MessageBox(str);}void MyFrame::OnChar(UINT key, UINT, UINT){CString str;(TEXT(“按下了%c键”),key);MessageBox(str);}void MyFrame::OnPaint(){CPaintDC dc(this);tW(100,100,TEXT(“为了部落”));e(10,10,100,100);}到此这篇关于如何使⽤visual studio2019创建简单的MFC窗⼝(使⽤C++)的⽂章就介绍到这了,更多相关vs2019创建MFC窗⼝内容请搜索以前的⽂章或继续浏览下⾯的相关⽂章希望⼤家以后多多⽀持！