Drawing Text to a decompressed video frame

[PetrSM]

I'm trying to draw text to a DIB

void CRenderer::RenderScreen(BYTE* data) 
{

    BITMAPINFOHEADER* pbitmapInfoHeader = (BITMAPINFOHEADER*)data;
    (HBITMAP*)(data+sizeof(BITMAPINFOHEADER));

    const char *DemoText = "ABCD0123456789\0"; 
    RECT TextArea = {400, 400, 400, 400}; 
    HFONT fontHandle = CreateFont(60, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET, OUT_OUTLINE_PRECIS, CLIP_DEFAULT_PRECIS, ANTIALIASED_QUALITY, VARIABLE_PITCH || FF_DONTCARE, "Arial\0");

    HDC hdc = CreateDC(m_DispDevice.DeviceName,NULL,NULL,NULL);   // creates a device context (DC) for a device ("\\.\DISPLAY2")

    SelectObject ( hdc, fontHandle);     
    SetTextColor( hdc, RGB (128, 128, 128)); 
    SetBkMode( hdc, TRANSPARENT);

    DrawDibDraw(m_hDrwScr,hdc,m_ptScrPos.x,m_ptScrPos.y,-1,-1,pbitmapInfoHeader,phbitmap, 0,0,pbitmapInfoHeader->biWidth,pbitmapInfoHeader->biHeight,0);            // draws a DIB to the screen

    DrawTextA ( hdc, DemoText, 14, &TextArea, DT_LEFT | DT_SINGLELINE | DT_NOCLIP);                        // draws formatted text in the specified rectangle 
    DeleteObject( fontHandle); 
    DeleteDC(hdc); 

};

(data=(BYTE*)AVIStreamGetFrame(m_pGetFrame,Num);)

the code is working, but text is flicker because i can't draw text to decompresed frame and after this draws a DIB to the screen

Any ideas?

thanks