public void SetChild(IWidgetBackend child)
{
// Remove the old child before adding the new one
// The child has to be removed from the viewport
if (ScrollViewer.Content != null)
{
var port = (CustomScrollViewPort)ScrollViewer.Content;
port.Children.Remove(port.Children[0]);
}
if (child == null)
{
return;
}
SetChildPlacement(child);
ScrollAdjustmentBackend vbackend = null, hbackend = null;
var widget = (WidgetBackend)child;
if (widget.EventSink.SupportsCustomScrolling())
{
vscrollControl = vbackend = new ScrollAdjustmentBackend();
hscrollControl = hbackend = new ScrollAdjustmentBackend();
}
ScrollViewer.Content = new CustomScrollViewPort(widget.NativeWidget, vbackend, hbackend);
ScrollViewer.CanContentScroll = true;
if (vbackend != null)
{
widget.EventSink.SetScrollAdjustments(hbackend, vbackend);
}
}
public IScrollControlBackend CreateHorizontalScrollControl()
{
if (horScroll == null)
{
horScroll = new ScrollControlBackend(ApplicationContext, Widget, false);
}
return(horScroll);
}
public IScrollControlBackend CreateVerticalScrollControl()
{
if (vertScroll == null)
{
vertScroll = new ScrollControlBackend(ApplicationContext, Widget, true);
}
return(vertScroll);
}
public IScrollControlBackend CreateHorizontalScrollControl()
{
if (hscrollControl == null)
{
hscrollControl = new ScrollControlBackend(ScrollViewer, false);
}
return(hscrollControl);
}
public IScrollControlBackend CreateVerticalScrollControl()
{
if (vscrollControl == null)
{
vscrollControl = new ScrollControlBackend(ScrollViewer, true);
}
return(vscrollControl);
}
public IScrollControlBackend CreateHorizontalScrollControl()
{
if (hscrollControl == null)
hscrollControl = new ScrollControlBackend(ScrollViewer, false);
return hscrollControl;
}
public IScrollControlBackend CreateVerticalScrollControl()
{
if (vscrollControl == null)
vscrollControl = new ScrollControlBackend(ScrollViewer, true);
return vscrollControl;
}
public void SetChild (IWidgetBackend child)
{
// Remove the old child before adding the new one
// The child has to be removed from the viewport
if (ScrollViewer.Content != null) {
var port = (CustomScrollViewPort)ScrollViewer.Content;
port.Children.Remove (port.Children[0]);
}
if (child == null)
return;
SetChildPlacement (child);
ScrollAdjustmentBackend vbackend = null, hbackend = null;
var widget = (WidgetBackend)child;
if (widget.EventSink.SupportsCustomScrolling ()) {
vscrollControl = vbackend = new ScrollAdjustmentBackend ();
hscrollControl = hbackend = new ScrollAdjustmentBackend ();
}
ScrollViewer.Content = new CustomScrollViewPort (widget.NativeWidget, vbackend, hbackend);
ScrollViewer.CanContentScroll = true;
if (vbackend != null)
widget.EventSink.SetScrollAdjustments (hbackend, vbackend);
}
internal ScrollControl(IScrollControlBackend backend)
{
BackendHost.SetCustomBackend(backend);
backend.Initialize((ScrollAdjustmentBackendHost)BackendHost);
}