public override void DrawBackground(Graphics graphics, Rectangle bounds)
{
using (var mh = ManagedHdc.FromGraphics(graphics))
{
var rect = Win32.RECT.FromRectangle(bounds);
UxTheme.DrawThemeBackground(_theme, mh.Hdc, _partId, _stateId, ref rect, IntPtr.Zero);
}
}
public override void DrawParentBackground(Graphics graphics, Rectangle bounds, Control childControl)
{
using (var mh = ManagedHdc.FromGraphics(graphics))
{
var rect = Win32.RECT.FromRectangle(bounds);
UxTheme.DrawThemeParentBackground(_theme, mh.Hdc, ref rect);
}
}
public override void DrawText(Graphics graphics, Rectangle bounds, string text)
{
using (var mh = ManagedHdc.FromGraphics(graphics))
{
var rect = Win32.RECT.FromRectangle(bounds);
uint flags = (int)(TextFormatFlags.EndEllipsis);
UxTheme.DrawThemeText(_theme, mh.Hdc, _partId, _stateId, text, text.Length, flags, 0, ref rect);
}
}
public static Font GetThemeFont(IntPtr theme, Graphics graphics)
{
if (!_themeFontMap.ContainsKey(theme))
{
using (var m = ManagedHdc.FromGraphics(graphics))
{
LOGFONT font = new LOGFONT();
int ret = GetThemeFont(theme, m.Hdc, 1, 1, PropertyIdentifier.Font, out font);
if (ret != 0)
{
return(SystemFonts.CaptionFont);
}
Font themeFont = Font.FromLogFont(font);
_themeFontMap.Add(theme, themeFont);
return(themeFont);
}
}
return(_themeFontMap[theme]);
}