언제나 제자리걸음..

HBITMAP LoadPNGToHBITMAP(LPWSTR res) {

//http://www.codeproject.com/Articles/3537/Loading-JPG-PNG-resources-using-GDI

//http://blog.iolate.kr/204

HRSRC imgResource = FindResource(NULL, res, L"PNG");

if (!imgResource) return NULL;

DWORD imgSize = SizeofResource(NULL, imgResource);

if (!imgSize) return NULL;

const void* pResourceData = LockResource(LoadResource(hInst, imgResource));

if (!pResourceData) return NULL;

HGLOBAL m_hBuffer = GlobalAlloc(GMEM_MOVEABLE, imgSize);

HBITMAP hBitmap;

if (m_hBuffer) {

void* pBuffer = GlobalLock(m_hBuffer);

if (pBuffer) {

CopyMemory(pBuffer, pResourceData, imgSize);

IStream* pStream = NULL;

if (CreateStreamOnHGlobal(m_hBuffer, FALSE, &pStream) == S_OK) {

GpBitmap* m_pBitmap;

DllExports::GdipCreateBitmapFromStream(pStream, &m_pBitmap);

pStream->Release();

if (m_pBitmap) {

DllExports::GdipCreateHBITMAPFromBitmap(m_pBitmap, &hBitmap, ARGB(0xFF000000)); //255, 0, 0, 0

}

}

}

GlobalUnlock(m_hBuffer);

}

GlobalFree(m_hBuffer);

m_hBuffer = NULL;

if (hBitmap) {

return hBitmap;

}else return NULL;

}

case WM_PAINT: {

PAINTSTRUCT ps;

HDC hdc = BeginPaint(hWnd, &ps);

HDC hdcMem = CreateCompatibleDC(hdc);

HGDIOBJ oldBitmap = SelectObject(hdcMem, hBitmap);

BitBlt(hdc, 0, 0, 800, 600, hdcMem, 0, 0, SRCCOPY);

SelectObject(hdcMem, oldBitmap);

DeleteDC(hdcMem);

EndPaint(hWnd, &ps);

break;

}