ボタンをクリックしたらエディットボックスに文字を追記する。
// GT_HelloWorldWin32.cpp // compile with: /D_UNICODE /DUNICODE /DWIN32 /D_WINDOWS /c #include <windows.h> #include <stdlib.h> #include <string.h> #include <tchar.h> // Global variables // The main window class name. static TCHAR szWindowClass[] = _T("win32app"); // The string that appears in the application's title bar. static TCHAR szTitle[] = _T("Win32 Guided Tour Application"); HINSTANCE hInst; // Forward declarations of functions included in this code module: LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM); #define ID_BUTTON1 100 #define ID_EDIT 200 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) { WNDCLASSEX wcex; wcex.cbSize = sizeof(WNDCLASSEX); wcex.style = CS_HREDRAW | CS_VREDRAW; wcex.lpfnWndProc = WndProc; wcex.cbClsExtra = 0; wcex.cbWndExtra = 0; wcex.hInstance = hInstance; wcex.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_APPLICATION)); wcex.hCursor = LoadCursor(NULL, IDC_ARROW); wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1); wcex.lpszMenuName = NULL; wcex.lpszClassName = szWindowClass; wcex.hIconSm = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_APPLICATION)); if (!RegisterClassEx(&wcex)) { MessageBox(NULL, _T("Call to RegisterClassEx failed!"), _T("Win32 Guided Tour"), NULL); return 1; } hInst = hInstance; // Store instance handle in our global variable // The parameters to CreateWindow explained: // szWindowClass: the name of the application // szTitle: the text that appears in the title bar // WS_OVERLAPPEDWINDOW: the type of window to create // CW_USEDEFAULT, CW_USEDEFAULT: initial position (x, y) // 500, 100: initial size (width, length) // NULL: the parent of this window // NULL: this application does not have a menu bar // hInstance: the first parameter from WinMain // NULL: not used in this application HWND hWnd = CreateWindow( szWindowClass, szTitle, WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, 500, 100, NULL, NULL, hInstance, NULL ); if (!hWnd) { MessageBox(NULL, _T("Call to CreateWindow failed!"), _T("Win32 Guided Tour"), NULL); return 1; } // The parameters to ShowWindow explained: // hWnd: the value returned from CreateWindow // nCmdShow: the fourth parameter from WinMain ShowWindow(hWnd, nCmdShow); UpdateWindow(hWnd); // Main message loop: MSG msg; while (GetMessage(&msg, NULL, 0, 0)) { TranslateMessage(&msg); DispatchMessage(&msg); } return (int) msg.wParam; } // // FUNCTION: WndProc(HWND, UINT, WPARAM, LPARAM) // // PURPOSE: Processes messages for the main window. // // WM_PAINT - Paint the main window // WM_DESTROY - post a quit message and return // // LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) { PAINTSTRUCT ps; int wmId, wmEvent, len; HDC hdc; TCHAR greeting[] = _T("Hello, World!"); static HWND hButton,hEdit; TCHAR *tchstr2 = TEXT("ボタンで追記。\r\n"); switch (message) { case WM_CREATE://ウインドウ作成時の処理 //ボタンの作成 hButton = CreateWindowEx(0, TEXT("BUTTON"), TEXT("Button1"), WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON, 100, 0, 100, 30, hWnd, (HMENU)ID_BUTTON1, (HINSTANCE)GetWindowLong(hWnd, GWL_HINSTANCE), NULL); //エディットボックスの作成 hEdit = CreateWindowEx(WS_EX_CLIENTEDGE, // 拡張ウィンドウスタイル TEXT("EDIT"), TEXT("ここに入力\r\n"), WS_CHILD | WS_VISIBLE | WS_HSCROLL | WS_VSCROLL | ES_LEFT | ES_MULTILINE | ES_AUTOHSCROLL | ES_AUTOVSCROLL , 0, 0, LOWORD(lParam), HIWORD(lParam), hWnd, (HMENU)ID_EDIT, hInst, NULL); SetFocus(hEdit); break; case WM_SIZE://ウインドウのサイズが変わったとき(ウインドウ初回生成時も)に実行 MoveWindow(hEdit, 0, 30, LOWORD(lParam), HIWORD(lParam), TRUE); break; case WM_PAINT: hdc = BeginPaint(hWnd, &ps); // Here your application is laid out. // For this introduction, we just print out "Hello, World!" // in the top left corner. TextOut(hdc, 5, 5, greeting, _tcslen(greeting)); // End application-specific layout section. EndPaint(hWnd, &ps); break; case WM_COMMAND: wmId = LOWORD(wParam); wmEvent = HIWORD(wParam); switch (wmId) { case ID_BUTTON1://ボタンが押された時の処理 len = GetWindowTextLength(GetDlgItem(hWnd, ID_EDIT)); SendMessage(GetDlgItem(hWnd, ID_EDIT), EM_SETSEL, len, len); SendMessage(GetDlgItem(hWnd, ID_EDIT), EM_REPLACESEL, 0, (LPARAM)tchstr2); break; } break; case WM_DESTROY: PostQuitMessage(0); break; default: return DefWindowProc(hWnd, message, wParam, lParam); break; } return 0; }
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