private void DoDrawTrack(Graphics gr, Rectangle drawRect, Rectangle visibleRect, Rectangle trackRect, ScrollBarElementState state, ScrollBarTrackType type)
{
ScrollBarTrack defaultHighlight = null;
switch (state)
{
case ScrollBarElementState.Normal:
defaultHighlight = (type == ScrollBarTrackType.Low) ? this.LowTrack : this.HighTrack;
break;
case ScrollBarElementState.Pressed:
defaultHighlight = (type == ScrollBarTrackType.Low) ? this.LowTrackHighlight : this.HighTrackHighlight;
break;
case ScrollBarElementState.Disabled:
defaultHighlight = (type == ScrollBarTrackType.Low) ? this.LowTrackDisabled : this.HighTrackDisabled;
break;
}
if (defaultHighlight == null)
{
switch (state)
{
case ScrollBarElementState.Normal:
defaultHighlight = ScrollBarTrack.Default;
break;
case ScrollBarElementState.Pressed:
defaultHighlight = ScrollBarTrack.DefaultHighlight;
break;
case ScrollBarElementState.Disabled:
defaultHighlight = ScrollBarTrack.DefaultDisabled;
break;
}
}
Color window = SystemColors.Window;
if (base.Parent != null)
{
window = base.Parent.BackColor;
}
defaultHighlight.Draw(gr, drawRect, visibleRect, trackRect, type, this._scrollBarOrientation, window);
}
private void DoDrawArrowButton(Graphics gr, Rectangle drawRect, ScrollBarArrow type, ScrollBarElementState state)
{
ScrollBarButton leftUpButton = null;
if ((type == ScrollBarArrow.Left) || (type == ScrollBarArrow.Up))
{
switch (state)
{
case ScrollBarElementState.Normal:
leftUpButton = this.LeftUpButton;
goto Label_006B;
case ScrollBarElementState.Pressed:
leftUpButton = this.LeftUpButtonHighlight;
goto Label_006B;
case ScrollBarElementState.Disabled:
leftUpButton = this.LeftUpButtonDisabled;
goto Label_006B;
}
}
else
{
switch (state)
{
case ScrollBarElementState.Normal:
leftUpButton = this.RightDownButton;
goto Label_006B;
case ScrollBarElementState.Pressed:
leftUpButton = this.RightDownButtonHighlight;
goto Label_006B;
case ScrollBarElementState.Disabled:
leftUpButton = this.RightDownButtonDisabled;
goto Label_006B;
}
}
Label_006B:
if (leftUpButton == null)
{
switch (state)
{
case ScrollBarElementState.Normal:
leftUpButton = ScrollBarButton.Default;
break;
case ScrollBarElementState.Pressed:
leftUpButton = ScrollBarButton.DefaultHighlight;
break;
case ScrollBarElementState.Disabled:
leftUpButton = ScrollBarButton.DefaultDisabled;
break;
}
}
Color window = SystemColors.Window;
if (base.Parent != null)
{
window = base.Parent.BackColor;
}
leftUpButton.Draw(gr, drawRect, type, window);
}
private void DoDrawThumb(Graphics gr, Rectangle drawRect, ScrollBarElementState state)
{
ScrollBarThumb thumbHighlight = null;
switch (state)
{
case ScrollBarElementState.Normal:
thumbHighlight = this.Thumb;
break;
case ScrollBarElementState.Pressed:
thumbHighlight = this.ThumbHighlight;
break;
case ScrollBarElementState.Disabled:
thumbHighlight = this.ThumbDisabled;
break;
}
if (thumbHighlight == null)
{
switch (state)
{
case ScrollBarElementState.Normal:
thumbHighlight = ScrollBarThumb.Default;
break;
case ScrollBarElementState.Pressed:
thumbHighlight = ScrollBarThumb.DefaultHighlight;
break;
}
}
if (thumbHighlight != null)
{
thumbHighlight.Draw(gr, drawRect, this._scrollBarOrientation);
}
}
public DrawEventArgs(System.Drawing.Graphics graphics, Rectangle bounds, ScrollBarElementState state)
{
this._graphics = graphics;
this._bounds = bounds;
this._state = state;
}
public DrawArrowButtonEventArgs(Graphics graphics, Rectangle bounds, ScrollBarElementState state, ScrollBarArrow type) : base(graphics, bounds, state)
{
this._type = type;
}
public DrawEventArgs(System.Drawing.Graphics graphics, Rectangle bounds, ScrollBarElementState state)
{
this._graphics = graphics;
this._bounds = bounds;
this._state = state;
}
public DrawTrackEventArgs(Graphics graphics, Rectangle bounds, ScrollBarElementState state, Rectangle visibleRect, Rectangle trackRect, ScrollBarTrackType track) : base(graphics, bounds, state)
{
this._visibleRect = visibleRect;
this._trackRect = trackRect;
this._track = track;
}
public DrawArrowButtonEventArgs(Graphics graphics, Rectangle bounds, ScrollBarElementState state, ScrollBarArrow type)
: base(graphics, bounds, state)
{
this._type = type;
}