protected override void OnMouseWheel(MouseEventArgs e)
{
RadScrollLayoutPanel scrollLayoutPanel = this.ColumnChooserElement.ScrollViewer.ScrollLayoutPanel;
RadScrollBarElement verticalScrollBar = scrollLayoutPanel.VerticalScrollBar;
if (verticalScrollBar.Visibility == ElementVisibility.Visible)
{
int num1 = Math.Max(1, e.Delta / SystemInformation.MouseWheelScrollDelta);
int num2 = Math.Sign(e.Delta) * num1 * SystemInformation.MouseWheelScrollLines;
int ypos = verticalScrollBar.Value - num2 * verticalScrollBar.SmallChange;
if (ypos > verticalScrollBar.Maximum - verticalScrollBar.LargeChange + 1)
{
ypos = verticalScrollBar.Maximum - verticalScrollBar.LargeChange + 1;
}
if (ypos < verticalScrollBar.Minimum)
{
ypos = 0;
}
else if (ypos > verticalScrollBar.Maximum)
{
ypos = verticalScrollBar.Maximum;
}
if (ypos != verticalScrollBar.Value)
{
scrollLayoutPanel.ScrollTo(0, ypos);
HandledMouseEventArgs handledMouseEventArgs = e as HandledMouseEventArgs;
if (handledMouseEventArgs != null)
{
handledMouseEventArgs.Handled = true;
}
}
}
base.OnMouseWheel(e);
}
protected override void CreateChildElements()
{
this.scrollPanel = this.CreateScrollLayoutPanel();
//this.scrollPanel.AutoSizeMode = RadAutoSizeMode.FitToAvailableSize;
this.scrollPanel.Scroll += delegate(object sender, ScrollPanelEventArgs args) { OnScroll(args); };
this.scrollPanel.ScrollNeedsChanged += delegate(object sender, ScrollNeedsEventArgs args) { OnScrollNeedsChanged(args); };
this.scrollPanel.ScrollParametersChanged += delegate(object sender, RadPanelScrollParametersEventArgs args) { OnScrollParametersChanged(args); };
this.border = new BorderPrimitive();
this.border.Class = "RadScrollViewBorder";
this.fillPrimitive = new FillPrimitive();
this.fillPrimitive.Class = "RadScrollViewFill";
this.fillPrimitive.GradientAngle = 45f;
this.Children.Add(this.fillPrimitive);
this.Children.Add(this.border);
this.Children.Add(this.scrollPanel);
this.scrollPanel.AutoSize = this.AutoSize;
this.scrollPanel.AutoSizeMode = this.AutoSizeMode;
this.scrollPanel.BindProperty(RadElement.AutoSizeProperty, this, RadElement.AutoSizeProperty, PropertyBindingOptions.OneWay);
this.scrollPanel.BindProperty(RadElement.AutoSizeModeProperty, this, RadElement.AutoSizeModeProperty, PropertyBindingOptions.OneWay);
}
protected override void CreateChildElements()
{
this.scrollPanel = this.CreateScrollLayoutPanel();
this.scrollPanel.Scroll += (RadScrollPanelHandler)((sender, args) => this.OnScroll(args));
this.scrollPanel.ScrollNeedsChanged += (ScrollNeedsHandler)((sender, args) => this.OnScrollNeedsChanged(args));
this.scrollPanel.ScrollParametersChanged += (RadPanelScrollParametersHandler)((sender, args) => this.OnScrollParametersChanged(args));
this.border = new BorderPrimitive();
this.border.Class = "RadScrollViewBorder";
this.fillPrimitive = new FillPrimitive();
this.fillPrimitive.Class = "RadScrollViewFill";
this.fillPrimitive.GradientAngle = 45f;
this.Children.Add((RadElement)this.fillPrimitive);
this.Children.Add((RadElement)this.border);
this.Children.Add((RadElement)this.scrollPanel);
this.scrollPanel.AutoSize = this.AutoSize;
this.scrollPanel.AutoSizeMode = this.AutoSizeMode;
int num1 = (int)this.scrollPanel.BindProperty(RadElement.AutoSizeProperty, (RadObject)this, RadElement.AutoSizeProperty, PropertyBindingOptions.OneWay);
int num2 = (int)this.scrollPanel.BindProperty(RadElement.AutoSizeModeProperty, (RadObject)this, RadElement.AutoSizeModeProperty, PropertyBindingOptions.OneWay);
}