/// <summary>
/// 绘制拖动条箭头
/// </summary>
/// <param name="rect">拖动条箭头坐标</param>
/// <returns></returns>
private void RenderThumArrow(PaintEventArgs e, Rectangle thumbRect, ThumDirection dir)
{
Color thumbArrowColor = ThumbArrowSchema.BackNormalStyle.Color1;
if (Enabled)
{
switch (ThumbState)
{
case ControlState.Hover:
case ControlState.Pressed:
thumbArrowColor = ThumbArrowSchema.BackHoverStyle.Color1;
break;
case ControlState.Normal:
thumbArrowColor = ThumbArrowSchema.BackNormalStyle.Color1;
break;
}
}
else
{
thumbArrowColor = ThumbArrowSchema.BackDisabledStyle.Color1;
}
switch (dir)
{
case ThumDirection.Left:
{
using (GraphicsPath gp = new GraphicsPath())
{
if (_orientation == Orientation.Horizontal)
{
gp.AddLine(thumbRect.Left + thumbRect.Width / 2 - 2, thumbRect.Top + thumbRect.Height / 2,
thumbRect.Left + thumbRect.Width / 2 + 2, thumbRect.Top + thumbRect.Height / 2 - 4);
gp.AddLine(thumbRect.Left + thumbRect.Width / 2 + 2, thumbRect.Top + thumbRect.Height / 2 - 4,
thumbRect.Left + thumbRect.Width / 2 + 2, thumbRect.Top + thumbRect.Height / 2 + 4);
gp.AddLine(thumbRect.Left + thumbRect.Width / 2 + 2, thumbRect.Top + thumbRect.Height / 2 + 4,
thumbRect.Left + thumbRect.Width / 2 - 2, thumbRect.Top + thumbRect.Height / 2);
}
else
{
gp.AddLine(thumbRect.Left + thumbRect.Width / 2 - 2, thumbRect.Top + thumbRect.Height / 2,
thumbRect.Left + thumbRect.Width / 2 + 2, thumbRect.Top + thumbRect.Height / 2 - 4);
gp.AddLine(thumbRect.Left + thumbRect.Width / 2 + 2, thumbRect.Top + thumbRect.Height / 2 - 4,
thumbRect.Left + thumbRect.Width / 2 + 2, thumbRect.Top + thumbRect.Height / 2 + 4);
gp.AddLine(thumbRect.Left + thumbRect.Width / 2 + 2, thumbRect.Top + thumbRect.Height / 2 + 4,
thumbRect.Left + thumbRect.Width / 2 - 2, thumbRect.Top + thumbRect.Height / 2);
}
gp.CloseFigure();
using (SolidBrush br = new SolidBrush(thumbArrowColor))
{
e.Graphics.FillPath(br, gp);
}
}
}
break;
case ThumDirection.Right:
{
using (GraphicsPath gp = new GraphicsPath())
{
if (_orientation == Orientation.Horizontal)
{
gp.AddLine(thumbRect.Right - thumbRect.Width / 2 + 2, thumbRect.Top + thumbRect.Height / 2,
thumbRect.Right - thumbRect.Width / 2 - 2, thumbRect.Top + thumbRect.Height / 2 - 4);
gp.AddLine(thumbRect.Right - thumbRect.Width / 2 - 2, thumbRect.Top + thumbRect.Height / 2 - 4,
thumbRect.Right - thumbRect.Width / 2 - 2, thumbRect.Top + thumbRect.Height / 2 + 4);
gp.AddLine(thumbRect.Right - thumbRect.Width / 2 - 2, thumbRect.Top + thumbRect.Height / 2 + 4,
thumbRect.Right - thumbRect.Width / 2 + 2, thumbRect.Top + thumbRect.Height / 2);
}
else
{
gp.AddLine(thumbRect.Right - thumbRect.Width / 2 + 2, thumbRect.Top + thumbRect.Height / 2,
thumbRect.Right - thumbRect.Width / 2 - 2, thumbRect.Top + thumbRect.Height / 2 - 4);
gp.AddLine(thumbRect.Right - thumbRect.Width / 2 - 2, thumbRect.Top + thumbRect.Height / 2 - 4,
thumbRect.Right - thumbRect.Width / 2 - 2, thumbRect.Top + thumbRect.Height / 2 + 4);
gp.AddLine(thumbRect.Right - thumbRect.Width / 2 - 2, thumbRect.Top + thumbRect.Height / 2 + 4,
thumbRect.Right - thumbRect.Width / 2 + 2, thumbRect.Top + thumbRect.Height / 2);
}
gp.CloseFigure();
using (SolidBrush br = new SolidBrush(thumbArrowColor))
{
e.Graphics.FillPath(br, gp);
}
}
}
break;
}
}
/// <summary>
/// 绘制拖动条
/// </summary>
protected virtual void RenderThumb(PaintEventArgs e, GraphicsPath thumbPath, Rectangle thumbRect, ThumDirection dir)
{
Color color1 = ThumbFaceSchema.BackNormalStyle.Color1;
Color color2 = ThumbFaceSchema.BackNormalStyle.Color2;
Color borderColor = ThumbFaceSchema.BorderNormalStyle.Color1;
if (Enabled)
{
switch (ThumbState)
{
case ControlState.Hover:
case ControlState.Pressed:
color1 = ThumbFaceSchema.BackHoverStyle.Color1;
color2 = ThumbFaceSchema.BackHoverStyle.Color2;
borderColor = ThumbFaceSchema.BorderHoverStyle.Color1;
break;
}
}
else
{
color1 = ThumbFaceSchema.BackDisabledStyle.Color1;
color2 = ThumbFaceSchema.BackDisabledStyle.Color2;
borderColor = ThumbFaceSchema.BorderDisabledStyle.Color1;
}
if (thumbRectL.Width != 0 && thumbRect.Height != 0)
{
using (
LinearGradientBrush lgbThumb =
new LinearGradientBrush(thumbRect, color1, color2, gradientOrientation))
{
//lgbThumb.WrapMode = WrapMode.TileFlipXY;
e.Graphics.FillPath(lgbThumb, thumbPath);
using (Pen p = new Pen(borderColor))
{
e.Graphics.DrawPath(p, thumbPath);
}
}
}
RenderThumArrow(e, thumbRect, dir);
}
