vcl-dxnavbar-dot-tdxcustomnavbar-dot-underscore-events.md
The TdxNavBar control’s base class.
| Name | Description |
|---|---|
| OnActiveGroupChanged | Fires after the active group has been changed. |
| OnActiveGroupChanging | Enables you to prohibit a group from being activated. |
| OnAlignInsertBefore | Inherited from TWinControl. |
| OnAlignPosition | Inherited from TWinControl. |
| OnCalcGroupClientHeight | Enables you to calculate custom height for groups’ client areas. |
| OnCalcGroupHintRect | Enables you to assign custom sizes for hints displayed for NavBar groups. |
| OnCalcLinkHintRect | Occurs when a particular NavBar link hint rectangular dimensions are recalculated. |
| OnCalcNavigationPaneOverflowPanelHintRect | Enables you to calculate hint rectangles for icons displayed within the overflow panel. |
| OnCanResize | Inherited from TControl. |
| OnClick | Inherited from TControl. |
| OnCollapsed protected | Enables you to execute custom code when the NavBar control has been collapsed. |
| OnConstrainedResize | Inherited from TControl. |
| OnContextPopup | Inherited from TControl. |
| OnCustomDraw | Provides access to events that allow you to custom paint NavBar elements. |
| OnCustomDrawBackground | Deprecated. This event exists for backward compatibility only. Handle the OnCustomDraw.Background event instead. |
| OnCustomDrawBottomScrollButton | Deprecated. This event exists for backward compatibility only. Handle the OnCustomDraw.ButtonScrollButton event. |
| OnCustomDrawGroupCaption | Deprecated. This property exists for backward compatibility only. Handle the OnCustomDraw.GroupCaption event instead. |
| OnCustomDrawGroupClientBackground | Deprecated. This event exists for backward compatibility only. Handle the OnCustomDraw.GroupClientBackground event instead. |
| OnCustomDrawGroupClientForeground | Deprecated. This event exists for backward compatibility only. Handle the OnCustomDraw.GroupClientForeground event instead. |
| OnCustomDrawGroupHint | Deprecated. This event exists for backward compatibility only. Handle the OnCustomDraw.GroupHint event instead. |
| OnCustomDrawLink | Deprecated. This event exists for backward compatibility only. Handle the OnCustomDraw.Link event instead. |
| OnCustomDrawLinkHint | Deprecated. This event exists for backward compatibility only. Handle the OnCustomDraw.LinkHint event instead. |
| OnCustomDrawNavigationPaneHeader | Deprecated. This event exists for backward compatibility only. Handle the OnCustomDraw.NavigationPaneHeader event instead. |
| OnCustomDrawNavigationPaneOverflowPanel | Deprecated. This event exists for backward compatibility only. Handle the OnCustomDraw.NavigationPaneOverflowPanel event instead. |
| OnCustomDrawNavigationPaneOverflowPanelHint | Deprecated. This event exists for backward compatibility only. Handle the OnCustomDraw.NavigationPaneOverflowPanelHint event instead. |
| OnCustomDrawNavigationPaneSplitter | Deprecated. This event exists for backward compatibility only. Handle the OnCustomDraw.NavigationPaneSplitter event instead. |
| OnCustomDrawTopScrollButton | Deprecated. This event exists for backward compatibility only. Handle the OnCustomDraw.TopScrollButton event instead. |
| OnDblClick | Inherited from TControl. |
| OnDockDrop | Inherited from TWinControl. |
| OnDockOver | Inherited from TWinControl. |
| OnDragDrop | Inherited from TControl. |
| OnDragOver | Inherited from TControl. |
| OnEndDock | Inherited from TControl. |
| OnEndDrag | Inherited from TControl. |
| OnEnter | Inherited from TWinControl. |
| OnExit | Inherited from TWinControl. |
| OnExpanded protected | Enables you to execute custom code when the NavBar control has been expanded. |
| OnFocusChanged protected | Inherited from TcxControl. |
| OnGesture | Inherited from TControl. |
| OnGetGroupHint | Enables you to override or hide hints displayed for NavBar groups. |
| OnGetLinkHint | Enables you to override or hide hints displayed for NavBar links. |
| OnGetOverlaySize protected | Enables you to adjust the expanded Hamburger Menu’s dimensions in minimal overlay mode. |
| OnGetSiteInfo | Inherited from TWinControl. |
| OnGroupClick | Fires when a NavBar group is clicked. |
| OnGroupHotTrack | Fires when the mouse cursor pauses over a NavBar group. |
| OnGroupPress | Fires when a NavBar group is pressed. |
| OnKeyDown | Inherited from TWinControl. |
| OnKeyPress | Inherited from TWinControl. |
| OnKeyUp | Inherited from TWinControl. |
| OnLinkClick | Fires when a NavBar link is clicked. |
| OnLinkHotTrack | Fires when the mouse cursor pauses over a NavBar link. |
| OnLinkPress | Fires when a NavBar link is pressed. |
| 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. |
| OnNavigationPaneCollapsed | Enables you to execute custom code when the Navigation Pane has been collapsed. |
| OnNavigationPaneExpanded | Enables you to execute custom code when the Navigation Pane has been expanded. |
| OnNavigationPanePopupShowed protected | Enables you to execute custom code when the active group‘s content has been displayed in a popup window for the collapsed Navigation Pane. |
| OnNavigationPanePopupShowing protected | Enables you to prevent the active group‘s popup window from appearing for the collapsed Navigation Pane. |
| OnOverlayShowed protected | Enables you to execute custom code when the Hamburger Menu expands on top of the control’s parent (container) as an overlay. |
| OnOverlayShowing protected | Enables you to prevent the Hamburger Menu from expanding on top of the control’s parent (container) as an overlay. |
| OnPopupShowed protected | Enables you to execute custom code when the active group‘s content has been displayed in a popup window for the collapsed NavBar control. |
| OnPopupShowing protected | Enables you to prevent the collapsed NavBar control from displaying a popup window with the active group‘s content. |
| OnResize | Inherited from TControl. |
| OnStartDock | Inherited from TControl. |
| OnStartDrag | Inherited from TControl. |
| OnUnDock | Inherited from TWinControl. |
See Also