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Docs > VCL Controls > ExpressQuantumTreeList Suite > API Reference > cxTLData > TcxCustomVirtualTreeList > Events
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    TcxCustomVirtualTreeList Events

    The base class for the TcxVirtualTreeList control used in provider mode.
    Name Description
    NavigatorEvents protected Inherited from TcxExtEditingControl.
    OnAfterSummary protected Occurs after all summaries have been calculated. Inherited from TcxCustomTreeList.
    OnAlignInsertBefore Inherited from TWinControl.
    OnAlignPosition Inherited from TWinControl.
    OnBandHeaderClick protected Enables you to respond to band header clicks. Inherited from TcxCustomTreeList.
    OnBandPosChanged protected Enables you to respond to end-user changes made to a band‘s visibility or position within the tree list. Inherited from TcxCustomTreeList.
    OnBandSizeChanged protected Enables you to respond to band sizing. Inherited from TcxCustomTreeList.
    OnBeginDragNode protected Enables you to control node dragging. Inherited from TcxCustomTreeList.
    OnCanFocusNode protected Enables you to control which nodes can be focused by end-users. Inherited from TcxCustomTreeList.
    OnCanResize Inherited from TControl.
    OnCanSelectNode protected Enables you to control which nodes can be selected by end-users. Inherited from TcxCustomTreeList.
    OnChange protected Enables you to respond to changes made in a tree list. Inherited from TcxCustomTreeList.
    OnClick Inherited from TControl.
    OnCollapsed protected Enables you to perform specific actions after a node has been collapsed. Inherited from TcxCustomTreeList.
    OnCollapsing protected Enables you to specify whether a particular node can be collapsed. Inherited from TcxCustomTreeList.
    OnColumnHeaderClick protected Enables you to respond to column header clicks. Inherited from TcxCustomTreeList.
    OnColumnPosChanged protected Enables you to respond to end-user changes made to a column’s visibility or position within the tree list. Inherited from TcxCustomTreeList.
    OnColumnSizeChanged protected Enables you to respond to column resize operations. Inherited from TcxCustomTreeList.
    OnCompare protected Allows you to implement a custom node sorting algorithm. Inherited from TcxCustomTreeList.
    OnConstrainedResize Inherited from TControl.
    OnContextPopup Inherited from TControl.
    OnCustomDrawBackgroundCell protected Enables you to custom paint the tree list background. Inherited from TcxCustomTreeList.
    OnCustomDrawBandCell protected Enables you to custom draw band backgrounds. Inherited from TcxCustomTreeList.
    OnCustomDrawBandHeaderCell protected Enables you to custom draw band headers. Inherited from TcxCustomTreeList.
    OnCustomDrawCell protected Occurs when a cell within a control needs to be painted. Inherited from TcxEditingControl.
    OnCustomDrawDataCell protected Enables you to custom draw data cells. Inherited from TcxCustomTreeList.
    OnCustomDrawFooterCell protected Enables you to custom draw footer cells. Inherited from TcxCustomTreeList.
    OnCustomDrawHeaderCell protected Enables you to custom paint column headers. Inherited from TcxCustomTreeList.
    OnCustomDrawIndentCell protected Enables you to custom draw indent cells. Inherited from TcxCustomTreeList.
    OnCustomDrawIndicatorCell protected Enables you to custom draw node indicators. Inherited from TcxCustomTreeList.
    OnCustomDrawPreviewCell protected Enables you to custom draw preview sections. Inherited from TcxCustomTreeList.
    OnCustomizationFormVisibleChanged protected Inherited from TcxCustomTreeList.
    OnDataChanged protected Enables you to perform specific actions after the data has been posted to a data store. Inherited from TcxCustomTreeList.
    OnDblClick Inherited from TControl.
    OnDeletion protected Enables you to perform specific actions when a node is being deleted. Inherited from TcxCustomTreeList.
    OnDockDrop Inherited from TWinControl.
    OnDockOver Inherited from TWinControl.
    OnDragDrop Inherited from TControl.
    OnDragOver Inherited from TControl.
    OnEditChanged protected Occurs when changing an open editor’s value. Inherited from TcxEditingControl.
    OnEdited protected Enables you to perform specific actions after the data cell‘s in-place editor has been deactivated. Inherited from TcxCustomTreeList.
    OnEditing protected Enables you to specify whether editing is allowed in a particular data cell. Inherited from TcxCustomTreeList.
    OnEditValueChanged protected Enables you to perform specific actions after editing a data cell‘s value is complete. Inherited from TcxCustomTreeList.
    OnEndDock Inherited from TControl.
    OnEndDrag Inherited from TControl.
    OnEnter Inherited from TWinControl.
    OnExit Inherited from TWinControl.
    OnExpanded protected Enables you to perform specific actions after a node has been expanded. Inherited from TcxCustomTreeList.
    OnExpanding protected Allows implementing dynamic node loading or prohibiting expansion for individual nodes. Inherited from TcxCustomTreeList.
    OnFilterControlDialogShow protected Enables you to customize the Filter Builder dialog before showing it. Inherited from TcxEditingControl.
    OnFilterCustomization protected Inherited from TcxEditingControl.
    OnFilterDialogShow protected Inherited from TcxEditingControl.
    OnFilterNode protected Enables you to filter out specific nodes. Inherited from TcxCustomTreeList.
    OnFindCriteriaBeforeChange protected Enables you to identify and track any changes made to data search criteria before they take effect on the tree list control. Inherited from TcxCustomTreeList.
    OnFindCriteriaChanged protected Enables you to identify and track all data search criteria changes applied to the tree list control. Inherited from TcxCustomTreeList.
    OnFindPanelVisibilityChanged protected Enables you to track Find Panel visibility changes. Inherited from TcxEditingControl.
    OnFocusChanged protected Inherited from TcxControl.
    OnFocusedColumnChanged protected Enables you to perform specific actions after an active column has been changed. Inherited from TcxCustomTreeList.
    OnFocusedNodeChanged protected Enables you to respond to node focusing. Inherited from TcxCustomTreeList.
    OnGesture Inherited from TControl.
    OnGetCellHint protected Enables you to customize a View element’s hint. Inherited from TcxCustomTreeList.
    OnGetChildCount protected Enables you to control the number of child nodes for loading.
    OnGetDragDropText protected Enables you to customize the drag and drop hint’s text. Inherited from TcxCustomTreeList.
    OnGetLevelImages protected Enables you to associate certain node image collections with the corresponding node levels. Inherited from TcxCustomTreeList.
    OnGetNodeHeight protected Enables you to specify the custom height for individual nodes. Inherited from TcxCustomTreeList.
    OnGetNodeImageIndex protected Enables you to specify custom images for nodes. Inherited from TcxCustomTreeList.
    OnGetNodePreviewHeight protected Enables you to specify the custom height for individual preview sections. Inherited from TcxCustomTreeList.
    OnGetNodeValue protected Enables you to control data reading from the custom data source.
    OnGetScrollbarAnnotationHint protected Enables you to display hints for scrollbar annotations. Inherited from TcxEditingControl.
    OnGetSiteInfo Inherited from TWinControl.
    OnGetStoredProperties protected Allows you to customize a list of tree list properties saved to external storages. Inherited from TcxCustomTreeList.
    OnGetStoredPropertyValue protected Enables you to provide values for tree list properties to be saved to external data stores. Inherited from TcxCustomTreeList.
    OnHotTrackNode protected Enables you to respond to node hot-tracking. Inherited from TcxCustomTreeList.
    OnInitEdit protected Enables you to customize an in-place cell editor when it is invoked. Inherited from TcxEditingControl.
    OnInitEditValue protected Enables you to change the edit value for an invoked in-place cell editor. Inherited from TcxEditingControl.
    OnInitFilteringDateRanges protected Inherited from TcxEditingControl.
    OnInitStoredObject protected Allows you to initialize columns created when restoring the tree list layout from external sources. Inherited from TcxCustomTreeList.
    OnIsGroupNode protected Allows you to specify group nodes. Inherited from TcxCustomTreeList.
    OnKeyDown Inherited from TWinControl.
    OnKeyPress Inherited from TWinControl.
    OnKeyUp Inherited from TWinControl.
    OnLayoutChanged protected Enables you to respond to tree list updates. Inherited from TcxCustomTreeList.
    OnLeftPosChanged protected Enables you to respond when the current tree list is horizontally scrolled, either by keyboard navigation or by moving the horizontal scrollbar. Inherited from TcxCustomTreeList.
    OnMouseActivate Inherited from TControl.
    OnMouseDown Inherited from TControl.
    OnMouseEnter protected Occurs when the mouse pointer enters into the control. Inherited from TcxControl.
    OnMouseLeave protected Occurs when the mouse pointer leaves the control. Inherited from TcxControl.
    OnMouseMove Inherited from TControl.
    OnMouseUp Inherited from TControl.
    OnMouseWheel Inherited from TControl.
    OnMouseWheelDown Inherited from TControl.
    OnMouseWheelUp Inherited from TControl.
    OnMoveTo protected Enables you to respond to node dragging within the tree list. Inherited from TcxCustomTreeList.
    OnNodeChanged protected Enables you to respond to changes made to a node. Inherited from TcxCustomTreeList.
    OnNodeCheckChanged protected Enables you to respond to a change made to a node’s checked state. Inherited from TcxCustomTreeList.
    OnNodeCheckChanging protected Enables you to prohibit a node from changing its checked state. Inherited from TcxCustomTreeList.
    OnPopulateCustomScrollbarAnnotationRowIndexList protected Enables you to display custom scrollbar annotations. Inherited from TcxEditingControl.
    OnResize Inherited from TControl.
    OnSelectionChanged protected Enables you to respond to node selections. Inherited from TcxCustomTreeList.
    OnSetNodeValue protected Enables you to control data writing to the custom data source.
    OnSetStoredPropertyValue protected Enables you to restore tree list property values from external data stores. Inherited from TcxCustomTreeList.
    OnSorted protected Enables you to perform specific actions after node sorting is complete. Inherited from TcxCustomTreeList.
    OnSorting protected Enables you to perform specific actions when sorting nodes. Inherited from TcxCustomTreeList.
    OnStartDock Inherited from TControl.
    OnStartDrag Inherited from TControl.
    OnSummary protected Enables you to perform custom summary calculations. Inherited from TcxCustomTreeList.
    OnTopRecordIndexChanged protected Occurs when scrolling the TreeList conrol’s contents. Inherited from TcxCustomTreeList.
    OnUnDock Inherited from TWinControl.
    PopupMenusEvents protected Inherited from TcxCustomTreeList.
    StylesEvents protected Inherited from TcxCustomTreeList.
    See Also