protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
if (_currentGrip != null)
{
_currentGrip.Update?.Invoke((SizeF)(e.Location - _startDrag));
_startDrag = _currentGrip.Location().Center;
return;
}
var bounds = SizeBounds;
var outer = RectangleF.Inflate(bounds, GripPadding * 2);
IsSizing = outer.Contains(e.Location) && !bounds.Contains(e.Location);
var grip = GetGrip(e.Location);
if (grip != _hoverGrip)
{
_hoverGrip = grip;
ToolTip = grip?.ToolTip;
Invalidate();
}
Cursor = grip?.Cursor ?? Cursors.Default;
Invalidate();
}
