public virtual void DrawButton(Graphics surface, DropDownButtonRenderingArgs args, PushButtonState state)
{
surface.SmoothingMode = SmoothingMode.HighQuality;
surface.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;
surface.PixelOffsetMode = PixelOffsetMode.HighQuality;
surface.InterpolationMode = InterpolationMode.HighQualityBicubic;
surface.CompositingQuality = CompositingQuality.HighQuality;
if (args.Image == null)
{ ButtonRenderer.DrawButton(surface, args.Bounds, args.Focused, state); }
else
{ ButtonRenderer.DrawButton(surface, args.Bounds, args.Image, args.ImageBounds, args.Focused, state); }
if (state == PushButtonState.Disabled)
{
TextRenderer.DrawText(surface, args.Text, args.Font, args.Bounds, SystemColors.GrayText, args.BackColor, args.TextFormatFlags);
}
else
{
TextRenderer.DrawText(surface, args.Text, args.Font, args.Bounds, args.ForeColor, args.BackColor, args.TextFormatFlags);
}
}
public virtual void DrawDropDownButton(Graphics surface, DropDownButtonRenderingArgs args, PushButtonState state)
{
DrawButton(surface, args, state);
DrawArrow(surface, args, state);
}
public virtual void DrawArrow(Graphics surface, DropDownButtonRenderingArgs args, PushButtonState state)
{
surface.SmoothingMode = SmoothingMode.HighQuality;
surface.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;
surface.PixelOffsetMode = PixelOffsetMode.HighQuality;
surface.InterpolationMode = InterpolationMode.HighQualityBicubic;
surface.CompositingQuality = CompositingQuality.HighQuality;
PointF center = new PointF(Convert.ToSingle(args.Bounds.Width / 2) + args.Bounds.X, Convert.ToSingle(args.Bounds.Height / 2) + args.Bounds.Y);
PointF[] pts = new PointF[] { new PointF(center.X - 3, center.Y), new PointF(center.X + 2, center.Y), new PointF(center.X, center.Y + 3) };
if (state == PushButtonState.Disabled)
{
surface.FillPolygon(Brushes.DarkGray, pts);
surface.DrawPolygon(Pens.LightGray, pts);
}
else
{
surface.FillPolygon(Brushes.Black, pts);
surface.DrawPolygon(Pens.DimGray, pts);
}
}
