![]() ![]() When you click on the checkbox associated with a node, the VB6 TreeView control raises the following events: MouseDown, NodeCheck, MouseUp, Click.The VB6 ListView control raises only the BeforeLabelEdit and AfterLabelEdit events. NET TreeView control raises the following events: BeforeLabelEdit, LostFocus, AfterLabelEdit, GotFocus. NET TreeView control raises the Click event only if you click on a node. The VB6 TreeView control raises a Click event also if you click on the control’s blank area, whereas the.NET control to raise the events in this order: GotFocus, MouseDown, MouseUp. When you move the input focus to a VB6 TreeView control using the mouse, the event sequence is: MouseDown, GotFocus, MouseUp.The VB6 TreeView control doesn’t raise all these extra events. NET application, the control raises several LostFocus and GotFocus events. NET TreeView control and you then activate another application and finally go back to the. If the input focus is corrently on the.NET TreeView control generates the LostFocus event first, and then the Validate event. When you move the focus from the TreeView control to another control, the VB6 TreeView control raises the Validate event and then the LostFocus event the.You can work around this issue by invoking the StartLabelEdit from inside the MouseUp event handler. This weird behavior is caused by the fact that, when the node is clicked, the control raises a LostFocus event immediately after the Click event, and the LostFocus event immediately ends the editing mode. If your application invokes the StartLabelEdit on the current node from inside the TreeView’s Click event handler, the control doesn’t enter edit mode if the user clicks right on the TreeView node however, if he or she clicks on the control’s blank area, the StartLabelEdit method works correctly.Invoking this method throws an exception (if VBConfig.ThrowOnUnsupportedMembers is True). The CreateDragImage method of the Node object isn’t supported and is marked as obsolete.However, the property retains the value you assign to it. The DropHighlight property has no effect and is therefore marked as obsolete.(VB Migration Partner inserts a warning just before the call to StartLabelEdit.) NET control works only if the LabelEdit property is 0-tvwAutomatic, whereas it always works in the VB6 control. NET control never highlight the currently selected node. In other words, if the current style includes tree lines, the. NET TreeView control only if the Style property has a value in the range 0-3 – that is, the values tvwTextOnly, tvwPictureText, tvwPlusMinusText, and tvwPlusMinusPictureText. The FullRowSelect property has effect in the.In most cases the remaining differences should have no impact on migrated programs. NET versions of the TreeView control, but not all of them. VB Migration Partner’s support library hides most of the differences between the VB6 and the.
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