Få fat i fonten på titel bar'en

private Font GetCaptionFont()
{
    NONCLIENTMETRICS ncm = new NONCLIENTMETRICS();
    ncm.cbSize = Marshal.SizeOf(typeof(NONCLIENTMETRICS));
    try
    {
        bool result = SystemParametersInfo(SPI_GETNONCLIENTMETRICS,
            ncm.cbSize, ref ncm, 0);

        if(result)
        {
            return Font.FromLogFont(ncm.lfCaptionFont);
        }
        else
        {
            int lastError = Marshal.GetLastWin32Error();
            return null;
        }
    }
    catch(Exception /*ex*/)
    {
        //System.Console.WriteLine(ex.Message);
    }

    return null;
}

private const int SPI_GETNONCLIENTMETRICS = 41;
private const int LF_FACESIZE = 32;

[StructLayout(LayoutKind.Sequential, CharSet=CharSet.Auto)]
    private struct LOGFONT
{
    public int lfHeight;
    public int lfWidth;
    public int lfEscapement;
    public int lfOrientation;
    public int lfWeight;
    public byte lfItalic;
    public byte lfUnderline;
    public byte lfStrikeOut;
    public byte lfCharSet;
    public byte lfOutPrecision;
    public byte lfClipPrecision;
    public byte lfQuality;
    public byte lfPitchAndFamily;
    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
    public string lfFaceSize;
}

[StructLayout(LayoutKind.Sequential, CharSet=CharSet.Auto)]
    private struct NONCLIENTMETRICS
{
    public int cbSize;
    public int iBorderWidth;
    public int iScrollWidth;
    public int iScrollHeight;
    public int iCaptionWidth;
    public int iCaptionHeight;
    public LOGFONT lfCaptionFont;
    public int iSmCaptionWidth;
    public int iSmCaptionHeight;
    public LOGFONT lfSmCaptionFont;
    public int iMenuWidth;
    public int iMenuHeight;
    public LOGFONT lfMenuFont;
    public LOGFONT lfStatusFont;
    public LOGFONT lfMessageFont;
}

[DllImport("user32.dll", SetLastError=true, CharSet=CharSet.Auto)]
private static extern bool SystemParametersInfo(int uiAction,
    int uiParam, ref NONCLIENTMETRICS ncMetrics, int fWinIni);