SftTree.TopChange Event
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SftTree.TopChange Event |
The user scrolls the tree control vertically.
Syntax
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VB.NET |
Private Sub object_TopChange(ByVal sender As Object, ByVal e As EventArgumentType) Handles object.TopChange |
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VB |
Private Sub object_TopChange(ByVal ItemIndex As Long) |
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C#.NET |
void object_TopChange(object sender, EventArgumentType e); |
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VC++ |
void OnTopChangeobject(long ItemIndex); |
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C |
HRESULT OnTopChangeobject(long ItemIndex); |
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Delphi |
procedure objectTopChange(Sender: TObject; ItemIndex : Integer); |
object
A SftTree object.
ItemIndex
The zero-based index number of the new first item displayed in the tree control's client area.
Comments
The TopChange event occurs when the user scrolls the tree control vertically.
The TopChange event notifies an application that the user has caused the tree contents to be scrolled vertically.
The OffsetChange event can be used to determine horizontal scrolling by the user.
See Also SftTree Object | Object Hierarchy