We have made zero code changes between win forms 2009.1000 and the hot fix 2009.2012 versions but now on doing this line of code
Parameter name: index at System.Collections.ArrayList.get_Item(Int32 index) at Infragistics.Win.UltraWinTree.NodeClientAreaUIElement.PositionChildElements() at Infragistics.Win.UIElement.VerifyChildElements(ControlUIElementBase controlElement,Boolean recursive) at Infragistics.Win.UIElement.VerifyChildElements(Boolean recursive) at Infragistics.Win.UIElement.VerifyChildElements() at Infragistics.Win.UltraWinTree.UltraTreeUIElement.PositionChildElements() at Infragistics.Win.UIElement.VerifyChildElements(ControlUIElementBase controlElement,Boolean recursive) at Infragistics.Win.UIElement.VerifyChildElements(Boolean recursive) at Infragistics.Win.UIElement.VerifyChildElements() at Infragistics.Win.UltraWinTree.UltraTreeNode.BringIntoViewHelper(Boolean includeChildNodes,Boolean includeHorizontal, Boolean includeVertical, Boolean leftOnly) at Infragistics.Win.UltraWinTree.UltraTreeNode.BringIntoViewHelper(Boolean includeChildNodes, Boolean includeHorizontal) at Infragistics.Win.UltraWinTree.UltraTree.SetActiveNode(UltraTreeNode node, Boolean bringIntoView, Boolean adjustHorizontalPosition) at Infragistics.Win.UltraWinTree.UltraTree.set_ActiveNode(UltraTreeNode value) at Program.Main.ultraTree1_Build(Int32 mode) at Program.Main.Treeview(Int32 type)Thanks :¬)
we are getting the same error too, how can i download build 2029. Thanks.
This issue seems resolved (for us, anyway) as of build 2029. Thanks.
I have the same problem without any BeginUpdate(). However EndUpdate() works as a workaround for me, too. I guess the VisibleNodesManager stuff called from EndUpdate() does what has to be done..
bmcloughlin and dpalau:
I've passed the information on this thread to Developer Support, so that a support case will be logged for each of you. That way, you'll be notified when a service release containing the changes that Brian mentions is published. The workaround Brian mentioned should get you up-and-running again in the meantime.
Thank you for verifying my findings :¬)