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void CaptureScreenShot(wxWindow* pWin)
{
    wxClientDC bgdc(pWin);

    int width = bgdc.GetSize().GetWidth();
    int height = bgdc.GetSize().GetHeight();

    //Create a Bitmap that will later on hold the screenshot image
    //Note that the Bitmap must have a size big enough to hold the screenshot
    //-1 means using the current default colour depth
    wxBitmap bmpWin = wxBitmap(width, height, -1);

    wxMemoryDC memDC;
    memDC.SelectObject(bmpWin);
    memDC.Blit(0, 0, width, height, &bgdc, 0, 0);

    wxASSERT(bmpWin.IsOk());
    bmpWin.SaveFile("path to filesytem", wxBitmapType::wxBITMAP_TYPE_BMP);
}