protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
if (!this.Capture)
{
return;
}
Point location = this.ControlBoundingRectangle.Location;
bool flag = false;
Point mousePosition = Control.MousePosition;
if (this.lastPoint.HasValue)
{
flag = this.lastPoint.Value.Y > mousePosition.Y;
}
this.lastPoint = new Point?(mousePosition);
Point client = this.ElementTree.Control.PointToClient(mousePosition);
OverflowEventArgs args = (OverflowEventArgs)null;
if (client.Y - location.Y > 20 && !flag)
{
args = new OverflowEventArgs();
args.Up = false;
}
else if (location.Y - client.Y > 20 && flag)
{
args = new OverflowEventArgs();
args.Up = true;
}
if (args == null || this.Dragged == null)
{
return;
}
this.Dragged((object)this, args);
}
protected override void OnMouseMove(System.Windows.Forms.MouseEventArgs e)
{
base.OnMouseMove(e);
if (this.Capture)
{
Point currentLocation = this.ControlBoundingRectangle.Location;
bool up = false;
Point cursorPosition = Control.MousePosition;
if (this.lastPoint != null)
{
up = this.lastPoint.Value.Y > cursorPosition.Y;
}
this.lastPoint = cursorPosition;
Point mousePointerOnControl = this.ElementTree.Control.PointToClient(cursorPosition);
OverflowEventArgs args = null;
if (mousePointerOnControl.Y - currentLocation.Y > 20 && !up)
{
args = new OverflowEventArgs();
args.Up = false;
}
else if (currentLocation.Y - mousePointerOnControl.Y > 20 && up)
{
args = new OverflowEventArgs();
args.Up = true;
}
if (args != null && this.Dragged != null)
{
this.Dragged(this, args);
}
}
}
private void OverflowGripElement_Dragged(object sender, OverflowEventArgs args)
{
if (args.Up)
{
this.DragGripUp();
}
else
{
this.DragGripDown();
}
}