protected virtual void OnDrawThumb(IntPtr hdc)
{
Graphics graphics = Graphics.FromHdc(hdc);
graphics.Clip = new Region(ThumbBounds);
if (((OwnerDrawParts & TrackBarOwnerDrawParts.Thumb) == TrackBarOwnerDrawParts.Thumb) && !base.DesignMode)
{
TrackBarDrawItemEventArgs e = new TrackBarDrawItemEventArgs(graphics, ThumbBounds, (TrackBarItemState)ThumbState);
if (DrawThumb != null)
DrawThumb(this, e);
}
else
{
Fusionbird.FusionToolkit.NativeMethods.TrackBarParts parts = Fusionbird.FusionToolkit.NativeMethods.TrackBarParts.TKP_THUMB;
if (ThumbBounds.Equals(Rectangle.Empty))
return;
switch (base.TickStyle)
{
case TickStyle.None:
case TickStyle.BottomRight:
parts = (base.Orientation != Orientation.Horizontal) ? Fusionbird.FusionToolkit.NativeMethods.TrackBarParts.TKP_THUMBRIGHT : Fusionbird.FusionToolkit.NativeMethods.TrackBarParts.TKP_THUMBBOTTOM;
break;
case TickStyle.TopLeft:
parts = (base.Orientation != Orientation.Horizontal) ? Fusionbird.FusionToolkit.NativeMethods.TrackBarParts.TKP_THUMBLEFT : Fusionbird.FusionToolkit.NativeMethods.TrackBarParts.TKP_THUMBTOP;
break;
case TickStyle.Both:
parts = (base.Orientation != Orientation.Horizontal) ? Fusionbird.FusionToolkit.NativeMethods.TrackBarParts.TKP_THUMBVERT : Fusionbird.FusionToolkit.NativeMethods.TrackBarParts.TKP_THUMB;
break;
}
if (VisualStyleRenderer.IsSupported)
{
new VisualStyleRenderer("TRACKBAR", (int)parts, ThumbState).DrawBackground(graphics, ThumbBounds);
graphics.ResetClip();
graphics.Dispose();
return;
}
switch (parts)
{
case Fusionbird.FusionToolkit.NativeMethods.TrackBarParts.TKP_THUMBBOTTOM:
DrawPointerDown(graphics);
break;
case Fusionbird.FusionToolkit.NativeMethods.TrackBarParts.TKP_THUMBTOP:
DrawPointerUp(graphics);
break;
case Fusionbird.FusionToolkit.NativeMethods.TrackBarParts.TKP_THUMBLEFT:
DrawPointerLeft(graphics);
break;
case Fusionbird.FusionToolkit.NativeMethods.TrackBarParts.TKP_THUMBRIGHT:
DrawPointerRight(graphics);
break;
default:
if (ThumbState == 3 || !base.Enabled)
ControlPaint.DrawButton(graphics, ThumbBounds, ButtonState.All);
else
graphics.FillRectangle(SystemBrushes.Control, ThumbBounds);
ControlPaint.DrawBorder3D(graphics, ThumbBounds, Border3DStyle.Raised);
break;
}
}
graphics.ResetClip();
graphics.Dispose();
}
protected virtual void OnDrawTicks(IntPtr hdc)
{
Graphics graphics = Graphics.FromHdc(hdc);
if (((OwnerDrawParts & TrackBarOwnerDrawParts.Ticks) == TrackBarOwnerDrawParts.Ticks) && !base.DesignMode)
{
TrackBarDrawItemEventArgs e = new TrackBarDrawItemEventArgs(graphics, base.ClientRectangle, (TrackBarItemState)ThumbState);
if (DrawTicks != null)
DrawTicks(this, e);
}
else
{
if (base.TickStyle == TickStyle.None)
return;
if (ThumbBounds.Equals(Rectangle.Empty))
return;
Color black = Color.Black;
if (VisualStyleRenderer.IsSupported)
black = new VisualStyleRenderer("TRACKBAR", 9, ThumbState).GetColor(ColorProperty.TextColor);
if (base.Orientation == Orientation.Horizontal)
DrawHorizontalTicks(graphics, black);
else
DrawVerticalTicks(graphics, black);
}
graphics.Dispose();
}
protected virtual void OnDrawChannel(IntPtr hdc)
{
Graphics graphics = Graphics.FromHdc(hdc);
if (((OwnerDrawParts & TrackBarOwnerDrawParts.Channel) == TrackBarOwnerDrawParts.Channel) && !base.DesignMode)
{
TrackBarDrawItemEventArgs e = new TrackBarDrawItemEventArgs(graphics, ChannelBounds, (TrackBarItemState)ThumbState);
if (DrawChannel != null)
DrawChannel(this, e);
}
else
{
if (ChannelBounds.Equals(Rectangle.Empty))
return;
if (VisualStyleRenderer.IsSupported)
{
new VisualStyleRenderer("TRACKBAR", 1, 1).DrawBackground(graphics, ChannelBounds);
graphics.ResetClip();
graphics.Dispose();
return;
}
ControlPaint.DrawBorder3D(graphics, ChannelBounds, Border3DStyle.Sunken);
}
graphics.Dispose();
}
