屏幕分辨率显示和修改程序源代码（不断完善中........）

 

整个工程文件已上传！！（http://download.csdn.net/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); } ff = MessageBox (hwnd, "是否保存设置？", "更改", MB_OKCANCEL | MB_ICONQUESTION); if (ff == IDCANCEL) { lpDevMode -> dmPelsWidth = w; lpDevMode -> dmPelsHeight = h; ChangeDisplaySettings(lpDevMode, dwFlags); return FALSE; } else { return TRUE; } } else { return FALSE; }}/****窗口过程（窗口函数）部分***///主窗口的窗口消息处理程序（函数），响应主窗口的消息LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam){ static HWND hwndScroll[2], hwndValue[2] , hwndLable[4], hwndButton[2], hwndCombo; static int Pixels[2] = {0, 0}, cyChar = HIWORD (GetDialogBaseUnits ()), mm;// static char combolist[8][24] = {" 1024 x 768", " 960 x 600"}; static DEVMODE devmode; TCHAR* szLabel[] = { TEXT ("水平像素"), TEXT ("垂直像素") } ; TCHAR* szButton[] = { TEXT ("应用"), TEXT ("取消") } ; DWORD cTxtLen; HINSTANCE hInstance ; int i, cxClient, cyClient ; PSTR buffer; TCHAR szBuffer[10] ; switch (message) { case WM_CREATE : hInstance = (HINSTANCE) GetWindowLong (hwnd, GWL_HINSTANCE) ; // Create the controlls. for (i = 0 ; i < 2 ; i++) { // The three scroll bars hanv the IDs 0, 1. // scroll bar ranges from 0 through 2000. hwndScroll[i] = CreateWindow ( TEXT ("scrollbar"), NULL, WS_CHILD | WS_VISIBLE | WS_TABSTOP | SBS_HORZ, 0, 0, 0, 0, hwnd, (HMENU) i, hInstance, NULL) ; SetScrollRange (hwndScroll[i], SB_CTL, 0, 2000, FALSE) ; SetScrollPos (hwndScroll[i], SB_CTL, 0, FALSE) ; // The two edit labels have IDs 2 and 3. // and two text labels are "水平像素" and "垂直像素". hwndValue [i] = CreateWindow ( TEXT ("edit"), TEXT("0"), WS_CHILD | WS_VISIBLE | ES_NUMBER | ES_CENTER | ES_LOWERCASE, 0, 0, 0, 0, hwnd, (HMENU) (i + 2), hInstance, NULL); hwndLable [i] = CreateWindow ( TEXT ("static"), szLabel[i], WS_CHILD | WS_VISIBLE | SS_CENTER, 0, 0, 0, 0, hwnd, (HMENU) (i + 4), hInstance, NULL); OldScroll[i] = (WNDPROC)SetWindowLong (hwndScroll[i], GWL_WNDPROC, (LONG)ScrollProc); // OldEdit[i] = (WNDPROC)SetWindowLong (hwndValue[i], GWL_WNDPROC, (LONG)EditProc); } // create two buttons, which have IDs 6 and 7 for(i = 0; i < 2; i++) { hwndButton [i] = CreateWindow ( TEXT ("button"), szButton[i], WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON, 0, 0, 0, 0, hwnd, (HMENU) (i + 6), hInstance, NULL); } // create the Information Lable, the ID is 9 hwndLable[3] = CreateWindow ( TEXT ("static"), TEXT(""), WS_CHILD | WS_VISIBLE | SS_LEFT, 0, 0, 0, 0, hwnd, (HMENU) 9, hInstance, NULL); // create the combobox. hwndLable[2] = CreateWindow ( TEXT ("static"), TEXT("可供选择的值："), WS_CHILD | WS_VISIBLE | SS_CENTER, 0, 0, 0, 0, hwnd, (HMENU) 10, hInstance, NULL); hwndCombo = CreateWindow ( TEXT ("combobox"), NULL, WS_CHILD | WS_VISIBLE | CBS_DROPDOWNLIST, 0, 0, 0, 0, hwnd, (HMENU) 11, hInstance, NULL); //初始化 ShowInfo(hwndLable[3], &devmode); if(ini.initINI(devmode) == FALSE) { ini.writeINI(devmode.dmPelsWidth, devmode.dmPelsHeight); ini.printINI(item); ComboBox_AddString(hwndCombo, item); } else { for(i = 1; i < ini.getFlag(); i++) { ini.readINI(i); ini.printINI(item); ComboBox_AddString(hwndCombo, item); } } return 0 ; // set the location of the controlls case WM_SIZE : cxClient = LOWORD (lParam) ; cyClient = HIWORD (lParam) ; for (i = 0 ; i < 2 ; i++) { MoveWindow ( hwndScroll[i], 7 * cyChar + cyChar , 260 + 50 * i, 260, 25, TRUE) ; MoveWindow ( hwndLable[i], 2 * cyChar, 260 + 50 * i, 5 * cyChar, 25, TRUE); MoveWindow ( hwndValue[i], 7 * cyChar + cyChar + 260 + cyChar , 260 + 50 * i, 60, 25, TRUE); MoveWindow ( hwndButton[i], 275 + cyChar + 6 * i * cyChar, 335 + cyChar + 10, 5 * cyChar, 2 * cyChar, TRUE) ; } MoveWindow ( hwndLable[3], 2 * cyChar , 2 * cyChar, 8 * cyChar + 300 , 8 * cyChar, TRUE); MoveWindow ( hwndLable[2], 2 * cyChar, 10 * cyChar + 2 * cyChar, 7 * cyChar, cyChar + 8, TRUE); MoveWindow ( hwndCombo, 9 * cyChar + 10 * cyChar, 10 * cyChar + 2 * cyChar, 9 * cyChar + 8, 10 * cyChar, TRUE); SetFocus (hwnd) ; return 0 ; case WM_HSCROLL : i = GetWindowLong ((HWND) lParam, GWL_ID) ; switch (LOWORD (wParam)) { case SB_PAGERIGHT : Pixels[i] += 49 ; case SB_LINERIGHT : Pixels[i] = min (2000, Pixels[i] + 1) ; break ; case SB_PAGELEFT : Pixels[i] -= 49 ; case SB_LINELEFT : Pixels[i] = max (0, Pixels[i] - 1) ; break ; case SB_LEFT : Pixels[i] = 0 ; break ; case SB_RIGHT : Pixels[i] = 2000 ; break ; case SB_THUMBPOSITION : case SB_THUMBTRACK : Pixels[i] = HIWORD (wParam) ; break ; default : break ; } SetScrollPos (hwndScroll[i], SB_CTL, Pixels[i], TRUE) ; wsprintf (szBuffer, TEXT ("%i"), Pixels[i]) ; SetWindowText (hwndValue[i], szBuffer) ; return 0 ; case WM_SETFOCUS : SetFocus (hwndScroll[idFocus]) ; return 0 ; case WM_COMMAND : if(LOWORD (wParam) == 2 || LOWORD (wParam) == 3) { i = LOWORD (wParam) - 2; switch (HIWORD (wParam)) { case EN_UPDATE : cTxtLen = GetWindowTextLength(hwndValue[i]); buffer = (PSTR) VirtualAlloc( (LPVOID) NULL, (DWORD) (cTxtLen + 1), MEM_COMMIT, PAGE_READWRITE); GetWindowText (hwndValue[i], buffer, 5); Pixels[i] = min (2000, strtoul(buffer, NULL, 10)); break; default : break; } SetScrollPos (hwndScroll[i], SB_CTL, Pixels[i], TRUE) ; } else if (LOWORD (wParam) == 7) { PostMessage (hwnd, WM_DESTROY , wParam, lParam); } else if (LOWORD (wParam) == 6) { ChangeIt (hwnd, hwndCombo, CDS_UPDATEREGISTRY, &devmode, Pixels[0], Pixels[1]) ; ShowInfo(hwndLable[3], &devmode); } else if (LOWORD (wParam) == 11) { switch(HIWORD(wParam)) { case CBN_SELENDOK : mm = ComboBox_GetCurSel(hwndCombo); ini.readINI(mm + 1, &Pixels[0], &Pixels[1]); for(i = 0; i < 2; i++) { SetScrollPos (hwndScroll[i], SB_CTL, Pixels[i], TRUE); wsprintf (szBuffer, TEXT ("%i"), Pixels[i]) ; SetWindowText (hwndValue[i], szBuffer) ; } break; default : break; } } else { } return 0; case WM_DESTROY : PostQuitMessage (0) ; return 0 ; } return DefWindowProc (hwnd, message, wParam, lParam) ; }LRESULT CALLBACK ScrollProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam){ int id = GetWindowLong (hwnd, GWL_ID) ; switch (message) { case WM_KEYDOWN : if (wParam == VK_TAB) ::SetFocus ( GetDlgItem (GetParent (hwnd), (id + 1) % 2)) ; break ; case WM_SETFOCUS : idFocus = id ; break ; } return CallWindowProc (OldScroll[id], hwnd, message, wParam, lParam) ; }

 

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//MyINI.hclass MyINI{private : int flag; char device[32]; unsigned long width, height;// void printINI();public : MyINI(); ~MyINI(); BOOL initINI(DEVMODE); BOOL writeINI(int, int); void readINI(int, int*, int*); void readINI(int); BOOL cmpINI(int, int); void printINI(char*); int getWidth(); int getHeight(); int getFlag();};

 

 

 

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//MyINI.cpp#include "MyINI.h"MyINI::MyINI() { MyINI::flag = 1; MyINI::width = 0; MyINI::height = 0;}MyINI::~MyINI() { char buffer[5]; itoa(MyINI::flag - 1, buffer, 10); WritePrivateProfileString ("The Driver of Infor" , "Number", buffer, ".//information.int"); WritePrivateProfileString ("The Driver of Infor" , "Driver", (const char*)MyINI::device, ".//information.int");}BOOL MyINI::writeINI(int ww, int hh) { char number[7]; char infor[8] = "Infor"; if(MyINI::flag == 1 || (!MyINI::cmpINI(ww, hh))) { MyINI::width = ww; MyINI::height = hh; itoa(flag, number, 10); strcat(infor, number); itoa(ww, number, 10); WritePrivateProfileString (infor , "Width", number, ".//information.int"); itoa(hh, number, 10); WritePrivateProfileString (infor , "Height", number, ".//information.int"); flag++; return TRUE; } else { return FALSE; }}void MyINI::readINI(int flag, int* ww, int* hh) { char number[6]; char infor[8] = "Infor"; itoa(flag, number, 10); strcat(infor, number); GetPrivateProfileString (infor, "Width", "0", number, 6, ".//information.int"); *ww = atoi(number); GetPrivateProfileString (infor, "Height", "0", number, 6, ".//information.int"); *hh = atoi(number);}void MyINI::readINI(int flag) { char number[6]; char infor[8] = "Infor"; itoa(flag, number, 10); strcat(infor, number); GetPrivateProfileString (infor, "Width", "0", number, 6, ".//information.int"); MyINI::width = atoi(number); GetPrivateProfileString (infor, "Height", "0", number, 6, ".//information.int"); MyINI::height = atoi(number);}void MyINI::printINI(char* outbuffer) { char buffer[20]; strcpy(buffer, " "); char number[6]; itoa(MyINI::width, number, 10); strcat(buffer, number); strcat(buffer, " x "); itoa(MyINI::height, number, 10); strcat(buffer, number); strcpy(outbuffer, buffer);}BOOL MyINI::cmpINI(int ww, int hh) { int i = 0; int w, h; for(i = 1; i < MyINI::flag; i++) { MyINI::readINI(i, &w, &h); if(ww == w && hh == h) { return TRUE; } else { continue; } } return FALSE;}BOOL MyINI::initINI(DEVMODE devmode) { char number[5], buffer[32]; strcpy((char*)MyINI::device, (const char*)devmode.dmDeviceName); GetPrivateProfileString ("The Driver of Infor" , "Driver", "", buffer, 32, ".//information.int"); GetPrivateProfileString ("The Driver of Infor" , "Number", "", number, 5, ".//information.int"); if(strcmp(MyINI::device, buffer) == 0) { MyINI::flag = atoi(number) + 1; return TRUE; } else { return FALSE; }}int MyINI::getWidth() { return MyINI::width;}int MyINI::getHeight() { return MyINI::height;}int MyINI::getFlag() { return MyINI::flag;}