protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
FlowLayoutPanel2 p = (FlowLayoutPanel2)this.Parent;
Accordion acc = (Accordion)p.Parent;
if (!acc.AllowMouseResize)
{
return;
}
// PerformLayout causes the control to move which triggers a MouseMove
// even though the mouse didn't move. Thus, the absolute location is
// used to determine if the mouse actually moved. There is probably a
// better way to handle the resizing.
Point pt = this.PointToScreen(e.Location);
if (oldPoint == pt)
{
return;
}
oldPoint = pt;
if (isGrabbing)
{
int dy = pt.Y - grabPoint.Y;
dh = Math.Max(0, dhOrig + dy);
p.UpdateDeltaHeights();
p.PerformLayout();
resetLocked = false;
}
else
{
int by = this.Height - e.Y;
if (by < this.Padding.Bottom)
{
this.Cursor = cursorResize;
}
else
{
this.Cursor = this.DefaultCursor;
}
}
}
public void UpdateDeltaHeights()
{
Accordion acc = (Accordion)this.Parent;
UpdateDeltaHeights(acc.FillLastOpened, acc.FillModeGrowOnly, acc.FillResetOnCollapse);
}