屏幕分辨率显示和修改程序源代码（不断完善中........）

最新推荐文章于 2024-10-30 14:00:24 发布

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最新推荐文章于 2024-10-30 14:00:24 发布 · 1.4k 阅读

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CC 4.0 BY-SA版权

文章标签：

#buffer #null #callback #scroll #winapi #application

这是一个用C++编写的程序，用于显示和修改显示器分辨率。程序通过读取和写入配置文件来保存用户设置，并使用Windows API进行显示设置的变更。用户可以通过滚动条和输入框选择水平和垂直像素，然后应用或取消更改。程序还提供了错误检查和用户确认保存设置的选项。

整个工程文件已上传！！（http://download.youkuaiyun.com/source/2565993）

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//MyPro.cpp #include "MyINI.h" void ShowInfo(HWND, LPDEVMODE) ; BOOL ChangeIt(HWND, HWND, DWORD, LPDEVMODE, int, int) ; LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ; LRESULT CALLBACK ScrollProc(HWND, UINT, WPARAM, LPARAM) ; //LRESULT CALLBACK EditProc (HWND, UINT, WPARAM, LPARAM); int idFocus = 0; MyINI ini; char item[20]; WNDPROC OldScroll[2] ; //WNDPROC OldEdit[2] ; int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow) { static TCHAR szAppName[] = TEXT ("显示器分辨率修改程序") ; HWND hwnd ; MSG msg ; WNDCLASS wndclass ; //主窗口 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.hIcon = LoadIcon (hInstance, MAKEINTRESOURCE(IDI_ICON1)) ; wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ; wndclass.hbrBackground = (HBRUSH) GetStockObject (GRAY_BRUSH) ; wndclass.lpszMenuName = NULL ; wndclass.lpszClassName = szAppName ; //注册主窗口 if (!RegisterClass (&wndclass)) { MessageBox ( NULL, TEXT ("This program requires Windows NT!"), szAppName, MB_ICONERROR) ; return 0 ; } //创建主窗口 hwnd = CreateWindow ( szAppName, TEXT ("显示器分辨率修改程序"), WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, 500, 450, NULL, NULL, hInstance, NULL) ; //显示主窗口 ShowWindow (hwnd, iCmdShow) ; UpdateWindow (hwnd) ; //消息循环 while (GetMessage (&msg, NULL, 0, 0)) { TranslateMessage (&msg) ; DispatchMessage (&msg) ; } return msg.wParam ; } /** * *一些“动作”。也是该应用程序的核心部分 * **/ void ShowInfo(HWND hwnd, LPDEVMODE lpDevMode) { TCHAR szBuffer[200]; EnumDisplaySettings(NULL,ENUM_CURRENT_SETTINGS, lpDevMode); wsprintf ( szBuffer, TEXT ("显示器驱动名称及版本号：%s—%d/n每像素所使用的显存位数：%d/n水平分辨率：%d/n垂直分辨率：%d/n显示器刷新频率：%d/n"), lpDevMode -> dmDeviceName, lpDevMode -> dmDriverVersion, lpDevMode -> dmBitsPerPel, lpDevMode -> dmPelsWidth, lpDevMode -> dmPelsHeight, lpDevMode -> dmDisplayFrequency) ; SetWindowText (hwnd, szBuffer) ; } BOOL ChangeIt(HWND hwnd, HWND hwndCombo, DWORD dwFlags, LPDEVMODE lpDevMode, int width, int height) { long f; int ff; DWORD w = lpDevMode -> dmPelsWidth; DWORD h = lpDevMode -> dmPelsHeight; lpDevMode -> dmPelsWidth = (DWORD)width; lpDevMode -> dmPelsHeight = (DWORD)height; f = ChangeDisplaySettings(lpDevMode, dwFlags); if((width == 0) || (height == 0) || (f == DISP_CHANGE_BADMODE)) { MessageBox (hwnd, "图像驱动不支持该设置！", "更改", MB_OK | MB_ICONWARNING); return FALSE; } else if (f == DISP_CHANGE_SUCCESSFUL) { if(ini.writeINI((unsigned long)width, (unsigned long)height)) { ini.printINI(item); ComboBox_AddString(hwndCombo, item);