protected virtual bool TryEnsureRowVisibilityByTraverser(
GridViewRowInfo rowInfo,
bool isLastRow,
RadScrollBarElement verticalScrollBar,
ScrollableRowsContainerElement scrollableRows,
out GridRowElement row,
out bool isTraverserd)
{
int num = verticalScrollBar.Maximum - verticalScrollBar.LargeChange + 1;
if (isLastRow && num != verticalScrollBar.Value)
{
this.ChangeScrollbarValue(verticalScrollBar, num);
this.UpdateLayout();
}
row = this.GetRowElement(rowInfo);
isTraverserd = false;
if (row != null)
{
return(false);
}
int height = (int)this.RowScroller.ElementProvider.GetElementSize(rowInfo).Height;
this.EnsureScrollingDelta(rowInfo, isLastRow, ref height);
if (this.UseScrollbarsInHierarchy && scrollableRows.Children.Count > 0)
{
GridDetailViewRowElement child = scrollableRows.Children[scrollableRows.Children.Count - 1] as GridDetailViewRowElement;
height += child != null ? child.RowInfo.Height - child.Size.Height : 0;
}
isTraverserd = this.EnsureRowVisibleByTraverser(verticalScrollBar, rowInfo, (float)height);
return(true);
}
protected GridDetailViewRowElement GetDetailViewRowElement()
{
for (RadElement radElement = (RadElement)this.TableElement; radElement != null; radElement = radElement.Parent)
{
GridDetailViewRowElement detailViewRowElement = radElement as GridDetailViewRowElement;
if (detailViewRowElement != null)
{
return(detailViewRowElement);
}
}
return((GridDetailViewRowElement)null);
}
private void CorrectScrollbarRangeInHierarchy()
{
GridTableElement tableElement = ((RowsContainerElement)this.Parent).TableElement;
RadGridViewElement gridViewElement = tableElement.GridViewElement;
RadScrollBarElement vscrollBar = tableElement.VScrollBar;
MasterGridViewTemplate masterTemplate = tableElement.MasterTemplate;
if (masterTemplate == null || masterTemplate.Templates.Count == 0 || (gridViewElement.UseScrollbarsInHierarchy || tableElement.ViewInfo.ParentRow != null) || (this.Children.Count == 0 || vscrollBar.Value < vscrollBar.Maximum - vscrollBar.LargeChange + 1))
{
return;
}
GridDetailViewRowElement child1 = this.Children[this.Children.Count - 1] as GridDetailViewRowElement;
if (child1 == null || child1.ContentCell.ChildTableElement.ViewInfo == null)
{
return;
}
ScrollableRowsContainerElement scrollableRows = child1.ContentCell.ChildTableElement.ViewElement.ScrollableRows;
int count = scrollableRows.Children.Count;
GridTraverser gridTraverser = new GridTraverser(child1.ContentCell.ChildTableElement.ViewInfo);
gridTraverser.TraversalMode = GridTraverser.TraversalModes.ScrollableRows;
int num1 = 0;
while (gridTraverser.MoveNext())
{
++num1;
if (num1 > count)
{
int height = (int)child1.ContentCell.ChildTableElement.RowElementProvider.GetElementSize(gridTraverser.Current).Height;
tableElement.RowScroller.UpdateScrollRange(vscrollBar.Maximum + height, false);
return;
}
}
if (scrollableRows.Children.Count <= 0)
{
return;
}
GridRowElement child2 = (GridRowElement)scrollableRows.Children[scrollableRows.Children.Count - 1];
if (child2.ControlBoundingRectangle.Bottom <= scrollableRows.ControlBoundingRectangle.Bottom)
{
return;
}
int num2 = child2.ControlBoundingRectangle.Bottom - scrollableRows.ControlBoundingRectangle.Bottom;
tableElement.RowScroller.UpdateScrollRange(vscrollBar.Maximum + num2, false);
}
