private void DrawDefaultThunm(
Graphics g, Rectangle thumbRect,
Color begin, Color end, Color border, float mode,
Orientation orientation, TickStyle tickStyle)
{
ThumbArrowDirection direction = ThumbArrowDirection.None;
switch (orientation)
{
case Orientation.Horizontal:
switch (tickStyle)
{
case TickStyle.None:
case TickStyle.BottomRight:
direction = ThumbArrowDirection.Down;
break;
case TickStyle.TopLeft:
direction = ThumbArrowDirection.Up;
break;
case TickStyle.Both:
direction = ThumbArrowDirection.None;
break;
}
break;
case Orientation.Vertical:
switch (tickStyle)
{
case TickStyle.TopLeft:
direction = ThumbArrowDirection.Left;
break;
case TickStyle.None:
case TickStyle.BottomRight:
direction = ThumbArrowDirection.Right;
break;
case TickStyle.Both:
direction = ThumbArrowDirection.None;
break;
}
break;
}
using (GraphicsPath path =
GraphicsPathHelper.CreateTrackBarThumbPath(
thumbRect, direction))
{
using (LinearGradientBrush brush = new LinearGradientBrush(
thumbRect, begin, end, mode))
{
Blend blend = new Blend();
blend.Positions = new float[] { 0, .2f, .5f, .8f, 1f };
blend.Factors = new float[] { 1f, .7f, 0, .7f, 1f };
brush.Blend = blend;
g.FillPath(brush, path);
}
using (Pen pen = new Pen(border))
{
g.DrawPath(pen, path);
}
}
thumbRect.Inflate(-1, -1);
using (GraphicsPath path =
GraphicsPathHelper.CreateTrackBarThumbPath(
thumbRect, direction))
{
using (Pen pen = new Pen(InnerBorderColor))
{
g.DrawPath(pen, path);
}
}
}
