public Font GetFont(IDeviceContext dc, FontProperty prop)
{
if (dc == null)
{
throw new ArgumentNullException(nameof(dc));
}
//valid values are 0xa29 to 0xa29
if (!ClientUtils.IsEnumValid(prop, (int)prop, (int)FontProperty.GlyphFont, (int)FontProperty.GlyphFont))
{
throw new InvalidEnumArgumentException(nameof(prop), (int)prop, typeof(FontProperty));
}
User32.LOGFONTW logfont = new User32.LOGFONTW();
using (WindowsGraphicsWrapper wgr = new WindowsGraphicsWrapper(dc, AllGraphicsProperties))
{
HandleRef hdc = new HandleRef(wgr, wgr.WindowsGraphics.DeviceContext.Hdc);
lastHResult = UxTheme.GetThemeFont(new HandleRef(this, Handle), hdc, part, state, (int)prop, ref logfont);
}
Font font = null;
//check for a failed HR.
if (lastHResult.Succeeded())
{
try
{
font = Font.FromLogFont(logfont);
}
catch (Exception e)
{
if (ClientUtils.IsSecurityOrCriticalException(e))
{
throw;
}
//Looks like the font was not true type
font = null;
}
}
return(font);
}