public ScrollableControl()
{
hscrollbar = new HorizontalScrollBar {
Visible = false
};
hscrollbar.ValueChanged += HandleScroll;
hscrollbar.Scroll += (o, e) => OnScroll(e);
vscrollbar = new VerticalScrollBar {
Visible = false
};
vscrollbar.ValueChanged += HandleScroll;
vscrollbar.Scroll += (o, e) => OnScroll(e);
sizegrip = new SizeGrip {
Visible = false
};
Controls.AddImplicitControlRange(sizegrip, hscrollbar, vscrollbar);
SizeChanged += (o, e) => Recalculate(true);
VisibleChanged += (o, e) => Recalculate(true);
}