C#

private static void _ctrl_Paint(object sender, PaintEventArgs p)
{
    Control ctrl = (Control)sender;
    Graphics grfx = p.Graphics;
    Rectangle clientRectangle = new Rectangle(0, 0, 50, 100);
    string strCardName = ((Control)sender).Name;
    string strNewBackPath = "C:/system/formats/" + CardBack.bicycle + ".gif";
    System.Drawing.Image imgBackFile = Image.FromFile(strNewBackPath);
    string strNewCardPath = LoadCardDeckSelectionFromXMLSettingsXSD(cardPath);
    System.Drawing.Image imgCardFile = Image.FromFile(strNewCardPath + strCardName + ".gif");
    System.Drawing.Image imgBackgroundImage = ctrl.BackgroundImage;

    
    // Here is the problem line. How do I check which background image
    // was assigned in the application and repaint based upon that image?
    if (imgBackgroundImage == imgBackFile)
    {
        p.Graphics.DrawImage(imgBackFile, clientRectangle);
    }
    else
    {
        p.Graphics.DrawImage(imgCardFile, clientRectangle);
    }
    grfx = null;
}