public override AccessibleObject GetChild(int index)
{
ListViewTraverser enumerator = this.ListView.ListViewElement.ViewElement.Scroller.Traverser.GetEnumerator() as ListViewTraverser;
enumerator.Reset();
int num = -1;
if (this.ListView.ViewType == ListViewType.DetailsView && this.ListView.ShowColumnHeaders)
{
if (index == 0)
{
return((AccessibleObject) new ListViewHeaderRowAccessibleObject((this.listView.ListViewElement.ViewElement as DetailListViewElement).ColumnContainer, this.ListView.ListViewElement));
}
num = 0;
}
while (enumerator.MoveNext())
{
++num;
if (num == index)
{
if (enumerator.Current is ListViewDataItemGroup)
{
return((AccessibleObject) new ListViewDataGroupAccessibleObject(enumerator.Current as ListViewDataItemGroup));
}
if (this.ListView.ViewType == ListViewType.DetailsView)
{
return((AccessibleObject) new ListViewRowAccessibleObject(enumerator.Current));
}
return((AccessibleObject) new ListViewDataItemAccessibleObject(enumerator.Current));
}
}
return((AccessibleObject)null);
}
protected override void ProcessLassoSelection(Rectangle selectionRect)
{
if (!this.Owner.MultiSelect)
{
base.ProcessLassoSelection(selectionRect);
}
else
{
ListViewTraverser enumerator = this.Scroller.Traverser.GetEnumerator() as ListViewTraverser;
int headerHeight = (int)this.Owner.HeaderHeight;
enumerator.Reset();
while (enumerator.MoveNext())
{
if (enumerator.Current.Owner == this.Owner)
{
Rectangle rectangle = new Rectangle(new Point(!this.Owner.ShowGroups || this.Owner.Groups.Count <= 0 || !this.Owner.EnableCustomGrouping && !this.Owner.EnableGrouping ? 0 : this.GroupIndent, headerHeight), enumerator.Current.ActualSize);
if (this.RightToLeft)
{
rectangle = LayoutUtils.RTLTranslateNonRelative(rectangle, this.ViewElement.ControlBoundingRectangle);
}
this.ProcessItemLassoSelection(enumerator.Current, selectionRect.IntersectsWith(rectangle));
headerHeight += enumerator.Current.ActualSize.Height + this.ItemSpacing;
}
}
}
}
private int GetGroupsHeight()
{
int val1 = 0;
ListViewTraverser enumerator = this.Traverser.GetEnumerator() as ListViewTraverser;
enumerator.Reset();
while (enumerator.MoveNext())
{
if (enumerator.Current is ListViewDataItemGroup)
{
val1 = Math.Max(val1, enumerator.Current.ActualSize.Height);
}
}
return(val1);
}
public override int GetChildCount()
{
if (this.ListView.IsDisposed)
{
return(0);
}
ListViewTraverser enumerator = this.ListView.ListViewElement.ViewElement.Scroller.Traverser.GetEnumerator() as ListViewTraverser;
enumerator.Reset();
int num = 0;
while (enumerator.MoveNext())
{
++num;
}
return(num);
}
protected override void ProcessLassoSelection(Rectangle selectionRect)
{
if (!this.Owner.MultiSelect)
{
base.ProcessLassoSelection(selectionRect);
}
else
{
Rectangle rectangle1 = new Rectangle(this.ViewElement.Padding.Left, this.ViewElement.Padding.Top, this.ViewElement.Size.Width - this.ViewElement.Padding.Horizontal, this.ViewElement.Size.Height - this.ViewElement.Padding.Vertical);
if (this.RightToLeft)
{
rectangle1 = LayoutUtils.RTLTranslateNonRelative(rectangle1, this.ControlBoundingRectangle);
}
selectionRect.Offset(-rectangle1.Location.X, -rectangle1.Location.Y);
ListViewTraverser enumerator = this.Scroller.Traverser.GetEnumerator() as ListViewTraverser;
int x1 = rectangle1.X;
int y = rectangle1.Y;
enumerator.Reset();
int val1_1 = 0;
int val1_2 = 0;
while (enumerator.MoveNext())
{
if (enumerator.Current.Owner == this.Owner)
{
Size actualSize = enumerator.Current.ActualSize;
val1_1 = Math.Max(val1_1, actualSize.Height);
val1_2 = Math.Max(val1_2, actualSize.Width);
if (enumerator.Current is ListViewDataItemGroup)
{
if (x1 != rectangle1.X)
{
int x2 = rectangle1.X;
y += val1_1;
val1_1 = actualSize.Height;
}
x1 = rectangle1.X;
y += actualSize.Height + this.ItemSpacing;
}
else
{
if (x1 + actualSize.Width > rectangle1.Right && this.Orientation == Orientation.Vertical)
{
x1 = rectangle1.X;
y += val1_1 + this.ItemSpacing;
val1_1 = actualSize.Height;
}
else if (y + actualSize.Height > rectangle1.Bottom && this.Orientation == Orientation.Horizontal)
{
y = rectangle1.Y;
x1 += val1_2 + this.ItemSpacing;
val1_2 = actualSize.Width;
}
if (x1 == rectangle1.X && this.Owner.ShowGroups && (this.Owner.EnableCustomGrouping || this.Owner.EnableGrouping) && (this.Owner.Groups.Count > 0 && !this.Owner.FullRowSelect))
{
x1 += this.Owner.GroupIndent;
}
Rectangle rectangle2 = new Rectangle(new Point(x1, y), actualSize);
if (this.RightToLeft)
{
rectangle2 = LayoutUtils.RTLTranslateNonRelative(rectangle2, rectangle1);
}
this.ProcessItemLassoSelection(enumerator.Current, selectionRect.IntersectsWith(rectangle2));
if (this.Orientation == Orientation.Vertical)
{
x1 += actualSize.Width + this.ItemSpacing;
}
else
{
y += actualSize.Height + this.ItemSpacing;
}
}
}
}
}
}