public override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
if (ButtonDownSelected || ButtonUpSelected || ButtonDropDownSelected)
{
IgnoreDeactivation();
}
if (ButtonDownSelected && ButtonDownEnabled)
{
_buttonDownPressed = true;
ScrollDown();
}
if (ButtonUpSelected && ButtonUpEnabled)
{
_buttonUpPressed = true;
ScrollUp();
}
if (ButtonDropDownSelected)
{
_buttonDropDownPressed = true;
ShowDropDown();
}
if (ThumbSelected)
{
_thumbPressed = true;
_thumbOffset = e.Y - _thumbBounds.Y;
}
if (
ScrollType == ListScrollType.Scrollbar &&
ScrollBarBounds.Contains(e.Location) &&
e.Y >= ButtonUpBounds.Bottom && e.Y <= ButtonDownBounds.Y &&
!ThumbBounds.Contains(e.Location) &&
!ButtonDownBounds.Contains(e.Location) &&
!ButtonUpBounds.Contains(e.Location))
{
//clicked the scroll area above or below the thumb
if (e.Y < ThumbBounds.Y)
{
ScrollOffset(ContentBounds.Height);
}
else
{
ScrollOffset(-ContentBounds.Height);
}
}
}
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
if (Cursor == Cursors.SizeNWSE)
{
_resizeOrigin = new Point(e.X, e.Y);
_resizeSize = Size;
_resizing = true;
}
if (ButtonDownSelected || ButtonUpSelected)
{
IgnoreDeactivation();
}
if (ButtonDownSelected && ButtonDownEnabled)
{
_buttonDownPressed = true;
ScrollDown();
}
if (ButtonUpSelected && ButtonUpEnabled)
{
_buttonUpPressed = true;
ScrollUp();
}
if (ThumbSelected)
{
_thumbPressed = true;
_thumbOffset = e.Y - _thumbBounds.Y;
}
if (
ScrollBarBounds.Contains(e.Location) &&
e.Y >= ButtonUpBounds.Bottom && e.Y <= ButtonDownBounds.Y &&
!ThumbBounds.Contains(e.Location) &&
!ButtonDownBounds.Contains(e.Location) &&
!ButtonUpBounds.Contains(e.Location))
{
if (e.Y < ThumbBounds.Y)
{
ScrollOffset(Bounds.Height);
}
else
{
ScrollOffset(-Bounds.Height);
}
}
}
private CustomScrollBarPart HitTest(int x, int y)
{
if (DecreaseButtonBounds.Contains(x, y))
{
return(CustomScrollBarPart.DecreaseButton);
}
if (IncreaseButtonBounds.Contains(x, y))
{
return(CustomScrollBarPart.IncreaseButton);
}
if (DecreaseTrackBarBounds.Contains(x, y))
{
return(CustomScrollBarPart.DecreaseTrackBar);
}
if (IncreaseTrackBarBounds.Contains(x, y))
{
return(CustomScrollBarPart.IncreaseTrackBar);
}
if (ThumbBounds.Contains(x, y))
{
return(CustomScrollBarPart.Thumb);
}
return(CustomScrollBarPart.None);
}