Code:
#include "stdafx.h"
#include "ODDPWR.h"
#define MAX_LOADSTRING 100
// Global Variables:
HINSTANCE hInst; // current instance
TCHAR szTitle[MAX_LOADSTRING]; // The title bar text
TCHAR szWindowClass[MAX_LOADSTRING]; // the main window class name
// Forward declarations of functions included in this code module:
ATOM MyRegisterClass(HINSTANCE hInstance);
BOOL InitInstance(HINSTANCE, int);
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
LRESULT CALLBACK About(HWND, UINT, WPARAM, LPARAM);
int APIENTRY _tWinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPTSTR lpCmdLine,
int nCmdShow)
{
// TODO: Place code here.
MSG msg;
HACCEL hAccelTable;
// Initialize global strings
LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
LoadString(hInstance, IDC_ODDPWR, szWindowClass, MAX_LOADSTRING);
MyRegisterClass(hInstance);
// Perform application initialization:
if (!InitInstance (hInstance, nCmdShow))
{
return FALSE;
}
hAccelTable = LoadAccelerators(hInstance, (LPCTSTR)IDC_ODDPWR);
// Main message loop:
while (GetMessage(&msg, NULL, 0, 0))
{
if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
return (int) msg.wParam;
}
ATOM MyRegisterClass(HINSTANCE hInstance)
{
WNDCLASSEX wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = (WNDPROC)WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = LoadIcon(hInstance, (LPCTSTR)IDI_ODDPWR);
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName = (LPCTSTR)IDC_ODDPWR;
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = LoadIcon(wcex.hInstance, (LPCTSTR)IDI_SMALL);
return RegisterClassEx(&wcex);
}
//
// FUNCTION: InitInstance(HANDLE, int)
//
// PURPOSE: Saves instance handle and creates main window
//
// COMMENTS:
//
// In this function, we save the instance handle in a global variable and
// create and display the main program window.
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
HWND hWnd;
hInst = hInstance; // Store instance handle in our global variable
hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW &~WS_MAXIMIZEBOX &~WS_SIZEBOX,
CW_USEDEFAULT, 0, 405, 450, NULL, NULL, hInstance, NULL);
if (!hWnd)
{
return FALSE;
}
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
return TRUE;
}
//
// FUNCTION: WndProc(HWND, unsigned, WORD, LONG)
//
// PURPOSE: Processes messages for the main window.
//
// WM_COMMAND - process the application menu
// 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)
{
HANDLE hDevice; // handle to the drive to be examined
BOOL fOn = TRUE;
int wmId, wmEvent;
PAINTSTRUCT ps;
HDC hdc,MemDC;
HFONT hFont;
HBITMAP hbmp;
hDevice = CreateFile("\\\\.\\CdRom0", // drive to open
GENERIC_READ | GENERIC_WRITE, // desired access to the drive
FILE_SHARE_READ | // share mode
FILE_SHARE_WRITE,
NULL, // default security attributes
OPEN_EXISTING, // disposition
0, // file attributes
NULL); // do not copy file attributes
switch (message)
{
case WM_COMMAND:
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
// Parse the menu selections:
switch (wmId)
{
case IDM_ABOUT:
DialogBox(hInst, (LPCTSTR)IDD_ABOUTBOX, hWnd, (DLGPROC)About);
break;
case IDM_EXIT:
DestroyWindow(hWnd);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
break;
case WM_PAINT:
hdc = BeginPaint(hWnd, &ps);
//Code to display text message in the window
hFont=CreateFont(25,0,0,0,FW_MEDIUM,1,0,0,0,0,0,2,0,"SYSTEM_FIXED_FONT");
SelectObject(hdc,hFont);
TextOut(hdc, 30, 1, "CURRENT ODD POWER STATUS", 25);
DeleteObject(SelectObject(hdc,hFont));
//Code to display CD Drive image based on the current ODD Power State
//while(1)
//{
if(GetDevicePowerState(hDevice,&fOn))
{
hbmp = LoadBitmap(hInst, MAKEINTRESOURCE(IDB_CDON));
// Create a memory device for CD Drive Online Logo compatible with the above DC variable
MemDC = CreateCompatibleDC(hdc);
// Select the new bitmap
SelectObject(MemDC, hbmp);
// Copy the bits from the memory DC (MemDC) into the current dc (hdc)
BitBlt(hdc, 70, 95, 250, 250, MemDC, 0, 0, SRCCOPY);
// Restore the old bitmap
DeleteDC(MemDC);
DeleteObject(hbmp);
}
else
{
hbmp = LoadBitmap(hInst, MAKEINTRESOURCE(IDB_CDOFF));
// Create a memory device for CD Drive Offline Logo compatible with the above DC variable
MemDC = CreateCompatibleDC(hdc);
// Select the new bitmap
SelectObject(MemDC, hbmp);
// Copy the bits from the memory DC (MemDC) into the current dc (hdc)
BitBlt(hdc, 70, 95, 250, 250, MemDC, 0, 0, SRCCOPY);
// Restore the old bitmap
DeleteDC(MemDC);
DeleteObject(hbmp);
}
//}
CloseHandle(hDevice);
EndPaint(hWnd, &ps);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
// Message handler for about box.
LRESULT CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_INITDIALOG:
return TRUE;
case WM_COMMAND:
if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
{
EndDialog(hDlg, LOWORD(wParam));
return TRUE;
}
break;
}
return FALSE;
}