X# Runtime and VO SDK Reference
X# Runtime and SDK Reference
XSharp.VO.SDK Namespace
Window Class (Typed)
Window Methods (Typed)
Window.Activate Method (Typed)
Window.AddTrayIcon Method (Typed)
Window.AnimationStart Method (Typed)
Window.AnimationStop Method (Typed)
Window.AppCommand Method (Typed)
Window.ButtonClick Method (Typed)
Window.ButtonDoubleClick Method (Typed)
Window.CanvasErase Method (Typed)
Window.Center Method (Typed)
Window.Close Method (Typed)
Window.ComboBoxExEndEdit Method (Typed)
Window.ComboBoxExNotify Method (Typed)
Window.ContextMenuShow Method (Typed)
Window.ControlFocusChange Method (Typed)
Window.ControlNotify Method (Typed)
Window.DateTimeSelectionChanged Method (Typed)
Window.DeActivate Method (Typed)
Window.Default Method (Typed)
Window.Destroy Method (Typed)
Window.Disable Method (Typed)
Window.Dispatch Method (Typed)
Window.Draw Method (Typed)
Window.DrawBackground Method (Typed)
Window.Drop Method (Typed)
Window.EditChange Method (Typed)
Window.EditFocusChange Method (Typed)
Window.EditScroll Method (Typed)
Window.Enable Method (Typed)
Window.EnableCloseBox Method (Typed)
Window.EnableDragDropClient Method (Typed)
Window.EnableDragDropServer Method (Typed)
Window.EnableHelp Method (Typed)
Window.EnableHelpButton Method (Typed)
Window.EnableHelpCursor Method (Typed)
Window.EnableThemeDialogTexture Method (Typed)
Window.EnableToolTips Method (Typed)
Window.Expose Method (Typed)
Window.FocusChange Method (Typed)
Window.GetAllChildren Method (Typed)
Window.GetDlgItem Method (Typed)
Window.GetExStyle Method (Typed)
Window.GetStyle Method (Typed)
Window.Handle Method (Typed)
Window.HasExStyle Method (Typed)
Window.HasStyle Method (Typed)
Window.HelpRequest Method (Typed)
Window.Hide Method (Typed)
Window.HorizontalScroll Method (Typed)
Window.HorizontalSlide Method (Typed)
Window.HorizontalSpin Method (Typed)
Window.IsEnabled Method (Typed)
Window.IsIconic Method (Typed)
Window.IsVisible Method (Typed)
Window.IsZoomed Method (Typed)
Window.KeyDown Method (Typed)
Window.KeyUp Method (Typed)
Window.LineTo Method (Typed)
Window.ListBoxClick Method (Typed)
Window.ListBoxSelect Method (Typed)
Window.ListViewColumnClick Method (Typed)
Window.ListViewItemChanged Method (Typed)
Window.ListViewItemChanging Method (Typed)
Window.ListViewItemDelete Method (Typed)
Window.ListViewItemDrag Method (Typed)
Window.ListViewItemEdit Method (Typed)
Window.ListViewKeyDown Method (Typed)
Window.ListViewMouseButtonDoubleClick Method (Typed)
Window.ListViewMouseButtonDown Method (Typed)
Window.MenuCommand Method (Typed)
Window.MenuInit Method (Typed)
Window.MenuSelect Method (Typed)
Window.MinMaxInfo Method (Typed)
Window.ModifyTrayIcon Method (Typed)
Window.MonthCalSelectionChanged Method (Typed)
Window.MouseButtonDoubleClick Method (Typed)
Window.MouseButtonDown Method (Typed)
Window.MouseButtonUp Method (Typed)
Window.MouseDrag Method (Typed)
Window.MouseMove Method (Typed)
Window.MouseTrapOff Method (Typed)
Window.MouseTrapOn Method (Typed)
Window.Move Method (Typed)
Window.MoveTo Method (Typed)
Window.OnMdiChildActivated Method (Typed)
Window.PaintBackground Method (Typed)
Window.PaintBoundingBox Method (Typed)
Window.PostInit Method (Typed)
Window.PreInit Method (Typed)
Window.PreMenuCommand Method (Typed)
Window.Print Method (Typed)
Window.QueryClose Method (Typed)
Window.RegisterTimer Method (Typed)
Window.RePaint Method (Typed)
Window.RepaintBoundingBox Method (Typed)
Window.Resize Method (Typed)
Window.ResumeLayout Method (Typed)
Window.RichEditProtected Method (Typed)
Window.RichEditSelectionChange Method (Typed)
Window.RichEditUndoLost Method (Typed)
Window.Scroll Method (Typed)
Window.SetAlignStartSize Method (Typed)
Window.SetBackgroundBrush Method (Typed)
Window.SetExStyle Method (Typed)
Window.SetFocus Method (Typed)
Window.SetHandle Method (Typed)
Window.SetStyle Method (Typed)
Window.Show Method (Typed)
Window.ShowBalloonTrayTip Method (Typed)
Window.SizeText Method (Typed)
Window.StatusMessage Method (Typed)
Window.SuspendLayout Method (Typed)
Window.SysLinkSelect Method (Typed)
Window.TabKeyDown Method (Typed)
Window.TabSelect Method (Typed)
Window.TabSelectionChanging Method (Typed)
Window.TextPrint Method (Typed)
Window.Timer Method (Typed)
Window.ToolBarHeightChanged Method (Typed)
Window.ToTop Method (Typed)
Window.TrayIconBalloonClicked Method (Typed)
Window.TrayIconBalloonShown Method (Typed)
Window.TrayIconBalloonTimeOut Method (Typed)
Window.TrayIconClicked Method (Typed)
Window.TreeViewItemDelete Method (Typed)
Window.TreeViewItemDrag Method (Typed)
Window.TreeViewItemEdit Method (Typed)
Window.TreeViewItemExpanded Method (Typed)
Window.TreeViewItemExpanding Method (Typed)
Window.TreeViewKeyDown Method (Typed)
Window.TreeViewMouseButtonDoubleClick Method (Typed)
Window.TreeViewMouseButtonDown Method (Typed)
Window.TreeViewSelectionChanged Method (Typed)
Window.TreeViewSelectionChanging Method (Typed)
Window.Update Method (Typed)
Window.VerticalScroll Method (Typed)
Window.VerticalSlide Method (Typed)
Window.VerticalSpin Method (Typed)
Click or drag to resize

Window.TreeViewSelectionChanging Method (Typed)

X#
Provide a method that is invoked when the selection is changing from one tree view item to another in a tree view control.

Namespace:  XSharp.VO.SDK
Assembly:  XSharp.VOGUIClasses (in XSharp.VOGUIClasses.dll) Version: 2.21
Syntax
Copy
 VIRTUAL METHOD TreeViewSelectionChanging(
	oTreeViewSelectionEvent AS TreeViewSelectionEvent
) AS USUAL
Request Example View Source

Parameters

oTreeViewSelectionEvent
Type: TreeViewSelectionEvent
The TreeViewSelectionEvent object that describes which tree view control's selected item is changing.

Return Value

Type: Usual
This method calls Window.Default() and returns the result of Window.Default()
Remarks
Tip Tip
Important! This is a callback method used by X#. Normally, it should not be called in your application code.
See Also