GDI+從資源中的加載PNG圖檔

//從資源中加載圖檔
Image* GDIGetImageFromResource(char * RES_ID)
{
	//LPCTSTR pResourceName = MAKEINTRESOURCE(nResourceID);

	//HMODULE hInstance = ahInstance;
	HRSRC hResource = FindResource(HInstance,RES_ID,RT_RCDATA);
	if(!hResource)
	{
                ShowMessage("未找到資源");
		return NULL;
	}
	
	//取得資源大小
	DWORD dwResourceSize = SizeofResource(HInstance, hResource);
	if(!dwResourceSize)
	{
		return NULL;
	}

	const void* pResourceData = LockResource(LoadResource(HInstance, hResource));

	if(!pResourceData)
	{
		return NULL;
	}

	HGLOBAL hResourceBuffer = GlobalAlloc(GMEM_MOVEABLE, dwResourceSize);
	if(!hResourceBuffer)
	{
		GlobalFree(hResourceBuffer);
		return NULL;
	}

	void* pResourceBuffer = GlobalLock(hResourceBuffer);
	if(!pResourceBuffer)
	{
		GlobalUnlock(hResourceBuffer);
		GlobalFree(hResourceBuffer);
		return NULL;
	}

	//把資源拷貝到配置設定的記憶體中
	CopyMemory(pResourceBuffer, pResourceData, dwResourceSize);

	IStream* pIStream = NULL;	
	if(CreateStreamOnHGlobal(hResourceBuffer, FALSE, &pIStream)==S_OK)
	{
		Image *pImage = Gdiplus::Image::FromStream(pIStream);

		pIStream->Release();

		GlobalUnlock(hResourceBuffer);

		GlobalFree(hResourceBuffer);

		return pImage;
	}

	return NULL;
}
//從資源中顯示圖檔
//資源類型：Icon,Cursor,Bitmap,String,Accelerators,Menu,Dialog,RCData,Version info
void  GdiDrawImageFromRes(TRect &r,char * RES_ID)
{
   Image *img = GDIGetImageFromResource(RES_ID);


   if(img)
   {
     if(myGP)
     {
       myGP->DrawImage(img,(int)r.left,(int)r.top,(int)r.right,(int)r.bottom);
       delete img;
     }
   }
}
資源檔案.RC内容如下：
/*********************************************
File: GDIRES.RC
Generated by Resource Builder (3.0.2.22).
*********************************************/
/*
OutputExt=res
*/
#define IDS_STRING0 1


STRINGTABLE
MOVEABLE PURE LOADONCALL DISCARDABLE
LANGUAGE LANG_NEUTRAL, 0
{
IDS_STRING0, "GMIS網絡消息"
}


RCDATA_0 RCDATA
MOVEABLE PURE LOADONCALL DISCARDABLE
LANGUAGE LANG_NEUTRAL, 0
{
'89 50 4E 47 0D 0A 1A 0A 00 00 00 0D 49 48 44 52 '
'00 00 00 10 00 00 00 10 08 06 00 00 00 1F F3 FF '
'61 00 00 00 04 73 42 49 54 08 08 08 08 7C 08 64 '
'88 00 00 00 09 70 48 59 73 00 00 00 27 00 00 00 '
'27 01 2A 09 91 4F 00 00 00 16 74 45 58 74 43 72 '
'65 61 74 69 6F 6E 20 54 69 6D 65 00 30 38 2F 30 '
'36 2F 31 35 61 28 33 15 00 00 00 1C 74 45 58 74 '
'53 6F 66 74 77 61 72 65 00 41 64 6F 62 65 20 46 '
'69 72 65 77 6F 72 6B 73 20 43 53 36 E8 BC B2 8C '
'00 00 02 0E 49 44 41 54 38 8D 9D D0 CF 4B 14 71 '