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- #include <windows.h>
- #include <strsafe.h>
- //#define LINEHEIGHT 15 去掉宏定义
- LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
- int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow)
- {
- static TCHAR szAppName[] = TEXT("MyWindows");
- HWND hwnd;
- MSG msg;
- WNDCLASS wndclass;
-
- wndclass.style = CS_HREDRAW | CS_VREDRAW;
- wndclass.lpfnWndProc = WndProc;
- wndclass.cbClsExtra = 0;
- wndclass.cbWndExtra = 0;
- 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 = szAppName;
- if (!RegisterClass(&wndclass))
- {
- MessageBox(NULL, TEXT("这个程序需要在 Windows NT 才能执行!"), szAppName, MB_ICONERROR);
- return 0;
- }
- hwnd = CreateWindow(szAppName,
- TEXT("鱼C工作室"),
- WS_OVERLAPPEDWINDOW,
- CW_USEDEFAULT,
- CW_USEDEFAULT,
- CW_USEDEFAULT,
- CW_USEDEFAULT,
- NULL,
- NULL,
- hInstance,
- NULL);
-
- ShowWindow(hwnd, iCmdShow);
- UpdateWindow(hwnd);
- while (GetMessage(&msg, NULL, 0, 0))
- {
- TranslateMessage(&msg);
- DispatchMessage(&msg);
- }
- return msg.wParam;
- }
- LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
- {
- HDC hdc;
- PAINTSTRUCT ps;
-
-
- TCHAR szBuffer [128];//原有代码= TEXT("大家好,这是我的第一个窗口程序!");
- int i;
- size_t iTarget;
- TEXTMETRIC tm;
- static int cxChar, cyChar;//c是像素,x和y分别表示x轴和y轴,static是静态变量,作用是在WM_Create响应这消息时候能给这两个值设置好,在其他消息里面引用时不会消息不见
- switch (message)
- {
- case WM_CREATE :
- hdc = GetDC(hwnd);
- GetTextMetrics(hdc, &tm);
- cxChar = tm.tmAveCharWidth;
- cxChar = tm.tmHeight + tm.tmExternalLeading;
- ReleaseDC(hwnd, hdc);
- case WM_PAINT:
- hdc = BeginPaint(hwnd, &ps);
- /*原有代码 GetClientRect(hwnd, &rect);
- DrawText(hdc, TEXT("大家好,这是我的第一个窗口程序!"), -1, &rect,
- DT_SINGLELINE | DT_CENTER | DT_VCENTER);*/
- for (i=0; i<10; i++)
- {
- StringCchPrintf (szBuffer,128,TEXT("%d: %s"),i + 1,TEXT("大家好,这是我的第一个窗口程序!"));
- StringCchLength(szBuffer,128,&iTarget);
- TextOut(hdc, cxChar, i*cyChar, szBuffer,iTarget);
- }
- EndPaint(hwnd, &ps);
- return 0;
- case WM_DESTROY:
- PostQuitMessage(0);
- return 0;
- }
- return DefWindowProc(hwnd, message, wParam, lParam);
- }
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