/// <summary>
///
/// </summary>
/// <param name="gr"></param>
/// <param name="rect"></param>
/// <param name="o"></param>
/// <param name="state"></param>
protected override void DrawThumb(Graphics gr, Rectangle rect, Orientation o, ElementState state)
{
if (ThemeFactory.VisualStylesEnabled && ThemeFactory.VisualStylesSupported)
{
ThemeFactory.DrawScrollBar(gr, rect, ElementStateToScrollBarStates(state),
o == Orientation.Horizontal ? ScrollBarParts.ThumbBtnHorz : ScrollBarParts.ThumbBtnVert);
if (FirstCoord((Point)rect.Size) > 17)
{
ThemeFactory.DrawScrollBar(gr, rect, ElementStateToScrollBarStates(state),
o == Orientation.Horizontal ? ScrollBarParts.GripperHorz : ScrollBarParts.GripperVert);
}
}
else
{
if (state == ElementState.Pushed)
{
ControlPaint.DrawButton(gr, rect, ButtonState.Pushed);
}
else
{
ControlPaint.DrawButton(gr, rect, ButtonState.Normal);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="g"></param>
/// <param name="sbRect"></param>
/// <param name="clipRect"></param>
/// <param name="state"></param>
/// <param name="part"></param>
public static void DrawScrollBar(Graphics g, Rectangle sbRect, Rectangle clipRect,
ScrollBarStates state, ScrollBarParts part)
{
if (g == null || sbRect.Width <= 0 || sbRect.Height <= 0 ||
clipRect.Width <= 0 || clipRect.Height <= 0)
{
return;
}
ThemeFactory.DrawThemeBackground(g, "SCROLLBAR", (int)part, (int)state, sbRect, clipRect);
}
/// <summary>
///
/// </summary>
/// <param name="gr"></param>
/// <param name="rect"></param>
/// <param name="d"></param>
/// <param name="state"></param>
protected override void DrawArrow(Graphics gr, Rectangle rect, Direction d, ElementState state)
{
if (ThemeFactory.VisualStylesEnabled && ThemeFactory.VisualStylesSupported)
{
ThemeFactory.DrawScrollBar(gr, rect, GetArrowScrollBarStates(d, state), ScrollBarParts.ArrowBtn);
}
else
{
ScrollButton sb = DirectionToScrollButton(d);
ButtonState bs = ElementStateToButtonState(state);
ControlPaint.DrawScrollButton(gr, rect, sb, bs);
}
}
/// <summary>
///
/// </summary>
/// <param name="gr"></param>
/// <param name="rect"></param>
/// <param name="d"></param>
/// <param name="state"></param>
protected override void DrawInside(Graphics gr, Rectangle rect, Direction d, ElementState state)
{
if (ThemeFactory.VisualStylesEnabled && ThemeFactory.VisualStylesSupported)
{
ScrollBarParts p = ScrollBarParts.UpperTrackVert;
switch (d)
{
case Direction.Up:
p = ScrollBarParts.UpperTrackVert;
break;
case Direction.Down:
p = ScrollBarParts.LowerTrackVert;
break;
case Direction.Left:
p = ScrollBarParts.UpperTrackHorz;
break;
case Direction.Right:
p = ScrollBarParts.LowerTrackHorz;
break;
}
ThemeFactory.DrawScrollBar(gr, rect, ElementStateToScrollBarStates(state), p);
}
else
{
HatchBrush br = new HatchBrush(HatchStyle.Percent50, SystemColors.ScrollBar, Color.White);
gr.FillRectangle(br, rect);
br.Dispose();
br = null;
}
}
/// <summary>
///
/// </summary>
/// <param name="g"></param>
/// <param name="sbRect"></param>
/// <param name="state"></param>
/// <param name="part"></param>
public static void DrawScrollBar(Graphics g, Rectangle sbRect,
ScrollBarStates state, ScrollBarParts part)
{
ThemeFactory.DrawScrollBar(g, sbRect, sbRect, state, part);
}
/// <summary>
/// Draws the background image defined by the visual style for the specified control part
/// </summary>
/// <param name="g">The Graphics to draw on</param>
/// <param name="windowClass">The class of the part to draw</param>
/// <param name="part">The part to draw</param>
/// <param name="partState">The state of the part to draw</param>
/// <param name="drawRect">The Rectangle in which the part is drawn</param>
public static void DrawThemeBackground(Graphics g, string windowClass, int part, int partState, Rectangle drawRect)
{
ThemeFactory.DrawThemeBackground(g, windowClass, part, partState, drawRect, drawRect);
}