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15windows_15_Edit编辑框
#include <windows.h>#include <iostream>#include "resource.h"CHAR szText[256] = { 0 };#define PrintLog(x) WriteConsole(g_hStdout, x, strlen(x), NULL, NULL)HINSTANCE g_hInst = NULL; //窗口句柄HANDLE g_hStdout = NULL; //控制台句柄HWND g_hEdit = NULL; //保存Edit句柄//WM_CREATE消息处理void OnCreate(HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam){ //创建Edit文本编辑框 g_hEdit = CreateWindow("EDIT", "Hello Edit", WS_EX_CLIENTEDGE|WS_VSCROLL | WS_HSCROLL|WS_CHILD | WS_VISIBLE | ES_AUTOHSCROLL | ES_PASSWORD | ES_MULTILINE | ES_AUTOHSCROLL | ES_AUTOHSCROLL | ES_AUTOVSCROLL, 0, 0, 100, 200, hWnd, (HMENU)1001, g_hInst, NULL);}//让Edit铺满整个客户区void OnSize(HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam){ int nWidth = LOWORD(lParam); int nHeight = HIWORD(lParam); if (g_hEdit != NULL) { MoveWindow(g_hEdit, 0, 0, nWidth, nHeight, TRUE); }}void OnSave(){ //获取文字长度 WM_GETTEXTLENGTH 用这个消息` LRESULT nTextLen = SendMessage(g_hEdit, WM_GETTEXTLENGTH, 0, 0); //获取文字 CHAR *pszBuff = NULL; pszBuff = (CHAR *)malloc(nTextLen + 1); //+1就是为了不越界 memset(pszBuff, 0, nTextLen + 1); SendMessage(g_hEdit, WM_GETTEXT, nTextLen + 1 , (LPARAM)pszBuff); //保存文件 FILE *pFile = NULL; fopen_s(&pFile, "c:\\1.txt", "w+"); //打开文件 fwrite(pszBuff, nTextLen, 1, pFile); //把文件写进文件 fclose(pFile); free(pszBuff);}void OnOpen(){ //打开文件，读取数据 FILE *pFile = NULL; fopen_s(&pFile, "c:\\1.txt", "r"); fseek(pFile, 0, SEEK_END);//把fseek移动到文件结尾 long nFileLen = ftell(pFile); //获得文件结尾的长度 fseek(pFile, 0, SEEK_SET); //把fseek指针移动到原来位置 CHAR *pszBuff = (CHAR*)malloc(nFileLen + 1); //多一个字符留给'\0'用 memset(pszBuff, 0, nFileLen + 1); //把pszBuff置零 fread(pszBuff, nFileLen, 1, pFile); //读取文件内容到buff fclose(pFile); //将字符显示在Edit窗口 SendMessage(g_hEdit, WM_SETTEXT, 0, (LPARAM)pszBuff);}void OnCommand(HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam){ int nNotifyCode = HIWORD(wParam);//Ctrl ID int nEventID = LOWORD(wParam); // 事件ID switch (nEventID) { case 1001: switch (nNotifyCode) { case EN_CHANGE: //内容发生变化 //MessageBox(NULL, "EN_CHANGE", "EN", MB_OK); break; } break; case ID_SELALL: //全部选择 //发送全选消息 SendMessage(g_hEdit, EM_SETSEL, 0, -1); //从第0个开始，到-1结尾 break; case ID_COPY: //复制 SendMessage(g_hEdit, WM_COPY, 0, 0); break; case ID_PASTE: //粘贴消息 SendMessage(g_hEdit, WM_PASTE, 0, 0); break; case ID_SAVE: OnSave(); break; case ID_OPEN: OnOpen(); break; case ID_EXIT: PostQuitMessage(0); break; }}LRESULT CALLBACK WndProc(HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam){ switch (nMsg) { case WM_CREATE: OnCreate(hWnd, nMsg, wParam, lParam); break; case WM_COMMAND: OnCommand(hWnd, nMsg, wParam, lParam); break; case WM_SIZE: OnSize(hWnd, nMsg, wParam, lParam); break; case WM_DESTROY: PostQuitMessage(0); break; } return DefWindowProc(hWnd, nMsg, wParam, lParam);}BOOL RegisterWnd(LPSTR pszClassName){ WNDCLASSEX wce = { 0 }; wce.cbSize = sizeof(wce); wce.cbClsExtra = 0; wce.cbWndExtra = 0; wce.hbrBackground = HBRUSH(COLOR_BTNFACE + 1); wce.hCursor = NULL; wce.hIcon = NULL; wce.hIconSm = NULL; wce.hInstance = g_hInst; wce.lpfnWndProc = WndProc; wce.lpszClassName = pszClassName; wce.lpszMenuName = NULL; wce.style = CS_HREDRAW | CS_VREDRAW; ATOM atom = RegisterClassEx(&wce); if (atom == NULL) { return FALSE; } else { return TRUE; }}HWND CreateWnd(LPSTR pszClassName){ HMENU hMainMenu = LoadMenu(g_hInst, MAKEINTRESOURCE(IDR_MENU1)); HWND hWnd = CreateWindowEx(0, pszClassName, "飞天", WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, NULL, hMainMenu, g_hInst, 0); return hWnd;}void ShowWnd(HWND hWnd){ ShowWindow(hWnd, SW_SHOW); UpdateWindow(hWnd);}void Msg(){ MSG msg = { 0 }; while (GetMessage(&msg, NULL, 0, 0)) { TranslateMessage(&msg); DispatchMessage(&msg); }}void ConsoleWnd(){ AllocConsole(); g_hStdout = GetStdHandle(STD_OUTPUT_HANDLE); CHAR szText[] = "Debug start:\n"; WriteConsole(g_hStdout, szText, strlen(szText), NULL, NULL);}int WINAPI WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _In_ LPSTR lpCmdLine, _In_ int nShowCmd){ g_hInst = hInstance; //ConsoleWnd(); RegisterWnd("oooo"); HWND hWnd = CreateWnd("oooo"); ShowWnd(hWnd); Msg(); return 0;}
转载于:https://www.cnblogs.com/nfking/p/5573175.html