《Windows程序设计》之多文档

#include <Windows.h>#include "RESOURCE.H"#define INIT_MENU_POS 0#define HELLO_MENU_POS 2#define RECT_MENU_POS 1#define IDM_FIRSTCHILD 50000//多个回调函数LRESULT CALLBACK FrameWndProc(HWND,UINT,WPARAM,LPARAM);BOOL CALLBACK CloseEnumProc(HWND,LPARAM);LRESULT CALLBACK HelloWndProc(HWND,UINT,WPARAM,LPARAM);LRESULT CALLBACK RectWndProc(HWND,UINT,WPARAM,LPARAM);//两个结构体typedef struct tagHELLODATA{UINT iColor;COLORREF clrText;}HELLODATA,*PHELLODATA;typedef struct tagRECTDATA{short cxClient;short cyClient;}RECTDATA,*PRECTDATA;//四个标题TCHAR szAppName[]=TEXT("MDIDemo");TCHAR szFrameClass[]=TEXT("MdiFrame");TCHAR szHelloClass[]=TEXT("MdiHelloChild");TCHAR szRectClass[]=TEXT("MdiRectChild");//全局句柄HINSTANCE hInst;//全局变量HMENU hMenuInit,hMenuHello,hMenuRect;HMENU hMenuInitWindow,hMenuHelloWindow,hMenuRectWindow;//入口函数int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,PSTR szCmdLine,int iCmdShow){HACCEL hAccel;HWND hwndFrame,hwndClient;MSG msg;WNDCLASS wndclass;hInst=hInstance;//主窗口注册wndclass.style=CS_VREDRAW|CS_HREDRAW;wndclass.lpfnWndProc=FrameWndProc;wndclass.cbClsExtra=0;wndclass.cbWndExtra=0;wndclass.hInstance=hInstance;wndclass.hIcon=LoadIcon(NULL,IDI_APPLICATION);wndclass.hCursor=LoadCursor(NULL,IDC_ARROW);wndclass.hbrBackground=(HBRUSH)(COLOR_APPWORKSPACE+1);wndclass.lpszMenuName=NULL;wndclass.lpszClassName=szFrameClass;if(!RegisterClass(&wndclass)){MessageBox(NULL,TEXT("This program requires Windows NT!"),szAppName,MB_ICONERROR);return 0;}//Hello窗口注册wndclass.style=CS_HREDRAW|CS_VREDRAW;wndclass.lpfnWndProc=HelloWndProc;wndclass.cbClsExtra=0;wndclass.cbWndExtra=sizeof(HANDLE);wndclass.hInstance=hInstance;wndclass.hIcon=LoadIcon(NULL,IDI_APPLICATION);wndclass.hCursor=LoadCursor(NULL,IDC_ARROW);wndclass.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);wndclass.lpszMenuName=NULL;wndclass.lpszClassName=szHelloClass;RegisterClass(&wndclass);//矩形窗口注册wndclass.style=CS_VREDRAW|CS_HREDRAW;wndclass.lpfnWndProc=RectWndProc;wndclass.cbClsExtra=0;wndclass.cbWndExtra=sizeof(HANDLE);wndclass.hInstance=hInstance;wndclass.hIcon=LoadIcon(NULL,IDI_APPLICATION);wndclass.hCursor=LoadCursor(NULL,IDC_ARROW);wndclass.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);wndclass.lpszMenuName=NULL;wndclass.lpszClassName=szRectClass;RegisterClass(&wndclass);//载入三个菜单资源（这个是横向的，就是客户区上方那一行），获取句柄hMenuInit=LoadMenu(hInstance,TEXT("MdiMenuInit"));hMenuHello=LoadMenu(hInstance,TEXT("MdiMenuHello"));hMenuRect=LoadMenu(hInstance,TEXT("MdiMenuRect"));//返回下拉菜单句柄hMenuInitWindow=GetSubMenu(hMenuInit,INIT_MENU_POS);hMenuHelloWindow=GetSubMenu(hMenuHello,HELLO_MENU_POS);hMenuRectWindow=GetSubMenu(hMenuRect,RECT_MENU_POS);//调用指定的加速键表，可打开资源文件查看键表hAccel=LoadAccelerators(hInstance,szAppName);//创建主窗口hwndFrame=CreateWindow(szFrameClass,TEXT("MDI Demonstration"),WS_OVERLAPPEDWINDOW|WS_CLIPCHILDREN,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,NULL,hMenuInit,hInstance,NULL);//检查指定窗口的子窗口hwndClient=GetWindow(hwndFrame,GW_CHILD);ShowWindow(hwndFrame,iCmdShow);UpdateWindow(hwndFrame);//////////////////////////////////////////////////////////////////////TranslateMDISysAccel该函数处理与指定MDI客户窗口相联系的多文档接口（MDI）子窗口的菜单命令的加速键响应//返回值：如果消息被转换为系统命令，则返回值为非零值。如果消息未转换为系统命令，则返回值为0。//TranslateAccelerator翻译加速键表////////////////////////////////////////////////////////////////////while(GetMessage(&msg,NULL,0,0)){if(!TranslateMDISysAccel(hwndClient,&msg)&&!TranslateAccelerator(hwndFrame,hAccel,&msg)){TranslateMessage(&msg);DispatchMessage(&msg);}}//清理工作DestroyMenu(hMenuHello);DestroyMenu(hMenuRect);return msg.wParam;}//窗口的回调函数LRESULT CALLBACK FrameWndProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam){static HWND hwndClient;//客户区创建结构体CLIENTCREATESTRUCT clientcreate;HWND hwndChild;//子窗口创建结构体MDICREATESTRUCT mdicreate;switch(message){case WM_CREATE://创建时，设置资源菜单为hMenuInitWindowclientcreate.hWindowMenu=hMenuInitWindow;//设置主窗口客户区的IDclientcreate.idFirstChild=IDM_FIRSTCHILD;//创建hwndClient=CreateWindow(TEXT("MDICLIENT"),NULL,WS_CHILD|WS_CLIPCHILDREN|WS_VISIBLE,0,0,0,0,hwnd,(HMENU)1,hInst,(PSTR)&clientcreate);return 0;//点击菜单栏相应操作case WM_COMMAND:switch(LOWORD(wParam)){//点击NewHello后，填充结构体MDICREATESTRUCTcase IDM_FILE_NEWHELLO:mdicreate.szClass=szHelloClass;mdicreate.szTitle=TEXT("Hello");mdicreate.hOwner=hInst;mdicreate.x=CW_USEDEFAULT;mdicreate.y=CW_USEDEFAULT;mdicreate.cx=CW_USEDEFAULT;mdicreate.cy=CW_USEDEFAULT;mdicreate.style=0;mdicreate.lParam=0;//发送消息给hwndClient（hwndClient是客户区句柄，也可以说是一个子窗口句柄）hwndChild=(HWND)SendMessage(hwndClient,WM_MDICREATE,0,(LPARAM)(LPMDICREATESTRUCT)&mdicreate);return 0;//点击NewRect后，填充结构体MDICREATESTRUCTcase IDM_FILE_NEWRECT:mdicreate.szClass=szRectClass;mdicreate.szTitle=TEXT("Rectangles");mdicreate.hOwner=hInst;mdicreate.x=CW_USEDEFAULT;mdicreate.y=CW_USEDEFAULT;mdicreate.cx=CW_USEDEFAULT;mdicreate.cy=CW_USEDEFAULT;mdicreate.style=0;mdicreate.lParam=0;//发送消息给hwndClient（hwndClient是客户区句柄，也可以说是一个子窗口句柄）发送的消息为WM_MDICREATEhwndChild=(HWND)SendMessage(hwndClient,WM_MDICREATE,0,(LPARAM)(LPMDICREATESTRUCT)&mdicreate);return 0;case IDM_FILE_CLOSE://发送消息给hwndClient，发送的消息为WM_MDIGETACTIVEhwndChild=(HWND)SendMessage(hwndClient,WM_MDIGETACTIVE,0,0);//当结束或者一个程序调用系统关闭功能的时候，WM_QUERYENDSESSION消息会被发送给尚未终止的所有窗口。//当程序在处理这个消息的时候，如果返回了false（0），那么系统将不结束对话或者关机（注销）。//这个地方就是发送一个WM_QUERYENDSESSION，返回非0的话，就发送一个WM_MDIDESTROY消息if(SendMessage(hwndChild,WM_QUERYENDSESSION,0,0))SendMessage(hwndClient,WM_MDIDESTROY,(WPARAM)hwndChild,0);return 0;//下面这些是点击一些菜单时，所进行的操作case IDM_APP_EXIT:SendMessage(hwnd,WM_CLOSE,0,0);return 0;case IDM_WINDOW_TILE:SendMessage(hwndClient,WM_MDITILE,0,0);return 0;case IDM_WINDOW_CASCADE:SendMessage(hwndClient,WM_MDICASCADE,0,0);return 0;case IDM_WINDOW_ARRANGE:SendMessage(hwndClient,WM_MDIICONARRANGE,0,0);return 0;case IDM_WINDOW_CLOSEALL://枚举一个父窗口的所有子窗口，CloseEnumProc回调函数地址EnumChildWindows(hwndClient,CloseEnumProc,0);return 0;//如果点击其它地方，就是设为活动的default:hwndChild=(HWND)SendMessage(hwndClient,WM_MDIGETACTIVE,0,0);//如果是子窗口，就向子窗口发送一个WM_COMMAND的消息if(IsWindow(hwndChild))SendMessage(hwndChild,WM_COMMAND,wParam,lParam);break;}break;case WM_QUERYENDSESSION:case WM_CLOSE:SendMessage(hwnd,WM_COMMAND,IDM_WINDOW_CLOSEALL,0);if(NULL!=GetWindow(hwndClient,GW_CHILD))return 0;break;case WM_DESTROY:PostQuitMessage(0);return 0;}return DefFrameProc(hwnd,hwndClient,message,wParam,lParam);}BOOL CALLBACK CloseEnumProc(HWND hwnd,LPARAM lParam){//获取指定窗口的所有者窗口//这一块不明白什么意思，以后再想if(GetWindow(hwnd,GW_OWNER))return TRUE;SendMessage(GetParent(hwnd),WM_MDIRESTORE,(WPARAM)hwnd,0);if(!SendMessage(hwnd,WM_QUERYENDSESSION,(WPARAM)hwnd,0))return TRUE;SendMessage(GetParent(hwnd),WM_MDIDESTROY,(WPARAM)hwnd,0);return TRUE;}//下面的注释加不加去了，不理解，以后再看LRESULT CALLBACK HelloWndProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam){static COLORREF clrTextArray[]={RGB(0,0,0),RGB(255,0,0),RGB(0,255,0),RGB(0,0,255),RGB(255,255,255)};static HWND hwndClient,hwndFrame;HDC hdc;HMENU hMenu;PHELLODATA pHelloData;PAINTSTRUCT ps;RECT rect;switch(message){case WM_CREATE:pHelloData=(PHELLODATA)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(HELLODATA));pHelloData->iColor=IDM_COLOR_BLACK;pHelloData->clrText=RGB(0,0,0);SetWindowLong(hwnd,0,(LONG)pHelloData);hwndClient=GetParent(hwnd);hwndFrame=GetParent(hwndClient);return 0;case WM_COMMAND:switch(LOWORD(wParam)){case IDM_COLOR_BLACK:case IDM_COLOR_RED:case IDM_COLOR_GREEN:case IDM_COLOR_BLUE:case IDM_COLOR_WHITE:pHelloData=(PHELLODATA)GetWindowLong(hwnd,0);hMenu=GetMenu(hwndFrame);CheckMenuItem(hMenu,pHelloData->iColor,MF_UNCHECKED);pHelloData->iColor=wParam;CheckMenuItem(hMenu,pHelloData->iColor,MF_CHECKED);pHelloData->clrText=clrTextArray[wParam-IDM_COLOR_BLACK];InvalidateRect(hwnd,NULL,FALSE);}return 0;case WM_PAINT:hdc=BeginPaint(hwnd,&ps);pHelloData=(PHELLODATA)GetWindowLong(hwnd,0);SetTextColor(hdc,pHelloData->clrText);GetClientRect(hwnd,&rect);DrawText(hdc,TEXT("Hello,World!"),-1,&rect,DT_SINGLELINE|DT_CENTER|DT_VCENTER);EndPaint(hwnd,&ps);return 0;case WM_MDIACTIVATE:if(lParam==(LPARAM)hwnd)SendMessage(hwndClient,WM_MDISETMENU,(WPARAM)hMenuHello,(LPARAM)hMenuHelloWindow);pHelloData=(PHELLODATA)GetWindowLong(hwnd,0);CheckMenuItem(hMenuHello,pHelloData->iColor,(lParam==(LPARAM)hwnd)?MF_CHECKED:MF_UNCHECKED);if(lParam!=(LPARAM)hwnd)SendMessage(hwndClient,WM_MDISETMENU,(WPARAM)hMenuInit,(LPARAM)hMenuInitWindow);DrawMenuBar(hwndFrame);return 0;case WM_QUERYENDSESSION:case WM_CLOSE:if(IDOK!=MessageBox(hwnd,TEXT("OK to close window!"),TEXT("Hello"),MB_ICONQUESTION|MB_OKCANCEL))return 0;break;case WM_DESTROY:pHelloData=(PHELLODATA)GetWindowLong(hwnd,0);HeapFree(GetProcessHeap(),0,pHelloData);return 0;}return DefMDIChildProc(hwnd,message,wParam,lParam);}LRESULT CALLBACK RectWndProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam){static HWND hwndClient,hwndFrame;HBRUSH hBrush;HDC hdc;PRECTDATA pRectData;PAINTSTRUCT ps;int xLeft,xRight,yTop,yBottom;short nRed,nGreen,nBlue;switch(message){case WM_CREATE:pRectData=(PRECTDATA)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(RECTDATA));SetWindowLong(hwnd,0,(long)pRectData);SetTimer(hwnd,1,250,NULL);hwndClient=GetParent(hwnd);hwndFrame=GetParent(hwndClient);return 0;case WM_SIZE:if(wParam!=SIZE_MINIMIZED){pRectData=(PRECTDATA)GetWindowLong(hwnd,0);pRectData->cxClient=LOWORD(lParam);pRectData->cyClient=HIWORD(lParam);}break;case WM_TIMER:pRectData=(PRECTDATA)GetWindowLong(hwnd,0);xLeft=rand()%pRectData->cxClient;xRight=rand()%pRectData->cxClient;yTop=rand()%pRectData->cyClient;yBottom=rand()%pRectData->cyClient;nRed=rand()&255;nGreen=rand()&255;nBlue=rand()&255;hdc=GetDC(hwnd);hBrush=CreateSolidBrush(RGB(nRed,nGreen,nBlue));SelectObject(hdc,hBrush);Rectangle(hdc,min(xLeft,xRight),min(yTop,yBottom),max(xLeft,xRight),max(yTop,yBottom));ReleaseDC(hwnd,hdc);DeleteObject(hBrush);return 0;case WM_PAINT:InvalidateRect(hwnd,NULL,TRUE);hdc=BeginPaint(hwnd,&ps);EndPaint(hwnd,&ps);return 0;case WM_MDIACTIVATE:if(lParam==(LPARAM)hwnd)SendMessage(hwndClient,WM_MDISETMENU,(WPARAM)hMenuRect,(LPARAM)hMenuRectWindow);elseSendMessage(hwndClient,WM_MDISETMENU,(WPARAM)hMenuInit,(LPARAM)hMenuInitWindow);DrawMenuBar(hwndFrame);return 0;case WM_DESTROY:pRectData=(PRECTDATA)GetWindowLong(hwnd,0);HeapFree(GetProcessHeap(),0,pRectData);KillTimer(hwnd,1);return 0;}return DefMDIChildProc(hwnd,message,wParam,lParam);}

前面有三章只是大体看了下，没有写代码，先放一下吧，这个是多文档的，也有一些不理解的东西，在这很有纪念意义的时间，6.1，开始我觉得用处很大的多任务和多线程了。