static HBITMAP hBmp1;
static int cxBmp;
static int cyBmp;
case WM_CREATE:
{
//Set Window Attributes
SetWindowLong(hWnd,GWL_EXSTYLE,GetWindowLong(hWnd,GWL_EXSTYLE) | WS_EX_LAYERED);
SetLayeredWindowAttributes(hWnd,RGB(255,255,255),160,LWA_ALPHA);
//load bmp
hBmp1 = LoadBitmap(GetModuleHandle(NULL),MAKEINTRESOURCE(IDB_BITMAP1));
if (hBmp1 == NULL)
{
MessageBox(hWnd,L"failed to load bmp1!",NULL,MB_OK);
}
//get bmp info
BITMAP bmpInfo;
GetObject(hBmp1,sizeof(BITMAP),&bmpInfo);
cxBmp = bmpInfo.bmWidth;
cyBmp = bmpInfo.bmHeight;
//put window int the middle screen
int cxScr = GetSystemMetrics(SM_CXSCREEN);
int cyScr = GetSystemMetrics(SM_CYSCREEN);
int cxWnd = cxBmp + 2 * GetSystemMetrics(SM_CXFRAME);
int cyWnd = cyBmp + 2 * GetSystemMetrics(SM_CXFRAME) + GetSystemMetrics(SM_CYCAPTION);
MoveWindow(hWnd,(cxScr-cxWnd)/2,(cyScr-cyWnd)/2,cxWnd,cyWnd,TRUE);
}
break;
case WM_PAINT:
hdc = BeginPaint(hWnd, &ps);
{
//disp bmp
HDC hMemDC1 = CreateCompatibleDC(hdc);
SelectObject(hMemDC1, hBmp1);
BitBlt(hdc, 0, 0,cxBmp, cyBmp, hMemDC1, 0, 0, SRCCOPY);
DeleteDC(hMemDC1);
}
EndPaint(hWnd, &ps);
break;