private void UserControl_MouseWheel(object sender, MouseEventArgs e)
{
if (e.Delta > 0)
{
_min += 1;
_max += 1;
}
else
{
_min -= 1;
_max -= 1;
}
if (_min < 0)
{
_min = 0;
}
if (_max + cursorWidth > Width)
{
_max = Width - cursorWidth;
}
if (_min > _max)
{
_min = _max - cursorWidth;
}
Invalidate();
if (RangeChangedEvent != null)
{
RangeChangedEvent.Invoke(this, _min, _max);
}
}
private void UserControl1_MouseMove(object sender, MouseEventArgs e)
{
if (TheMouseStateMachine == MouseStateMachine.LeftMove)
{
Min += e.Location.X - clicPosition.X;
clicPosition = e.Location;
if (Min < 0)
{
Min = 0;
}
if (Min + cursorWidth > Width)
{
Min = Width - cursorWidth;
}
if (Min + cursorWidth > Max)
{
Min = Max - cursorWidth;
}
}
else if (TheMouseStateMachine == MouseStateMachine.RightMove)
{
Max += e.Location.X - clicPosition.X;
clicPosition = e.Location;
if (Max < 0)
{
Max = 0;
}
if (Max + cursorWidth > Width)
{
Max = Width - cursorWidth;
}
if (Max < Min + cursorWidth)
{
Max = Min + cursorWidth;
}
}
if (RangeChangedEvent != null)
{
RangeChangedEvent.Invoke(this, _min, _max + cursorWidth);
}
}
remove => RemoveHandler(RangeChangedEvent, value);
add => AddHandler(RangeChangedEvent, value);
