# Properties | Property | Description | | ------------------------------ | -------------------------------------------------------------------------------------------------------------------------------------- | | **Links** | Gets the collection of links. | | **Items** | Gets the collection of task items. | | **Columns** | Gets the collection of columns shown in the text element | | **Ratio** | Gets or sets the ratio between the text view and the graphical view. | | **ItemHeight** | Gets or sets the height of the items. | | **HeaderHeight** | Gets or sets the height of the header row and the timeline container. | | **SplitterWidth** | Gets or sets the width of the splitter. | | **IsEditing** | Gets a value indicating whether this instance is in edit mode. | | **AllowSummaryEditing** | Gets or sets a value indicating whether summary items are editable by the user or their value is auto-calculated from their sub items. | | **SelectedItem** | Gets or sets the selected item. | | **CurrentColumn** | Gets or sets the current column. | | **DataSource** | Gets or sets the data source that the RadGanttView is displaying data for. | | **ShowTimelineTodayIndicator** | Gets or sets a value indicating whether to show the timeline today indicator. | | **ShowTodayIndicator** | Gets or sets a value indicating whether to show the today indicator. | | **SelectedLink** | Gets or sets the selected link. | # Events | Events | Description | | ------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------ | | **ItemChildIdNeeded** | Occurs when an item needs an id for storing in data sources. | | **ItemPaint** | Occurs when an item is painted. Allows custom painting over the item. EnableCustomPainting must be set to true for this event to be fired. | | **ContextMenuOpening** | Occurs when a context menu is about to be opened. | | **CreateDataItem** | Occurs when a new data item is created. | | **CreateLinkDataItem** | Occurs when a new link data item is created. | | **ItemAdding** | Occurs before an GanttViewDataItem is added to the Items collection. | | **LinkAdding** | Occurs before an GanttViewLinkDataItem is added to the Links collection. | | **ItemDataError** | Occurs when there is an error in the data layer of RadGanttView related to data operations with Item objects. | | **LinkDataError** | Occurs when there is an error in the data layer of RadGanttView related to data operations with Link objects. | | **SelectedItemChanging** | Occurs when the selected item is about to be changed. | | **SelectedItemChanged** | Occurs when selected item has been changed. | | **ItemExpandedChanging** | Occurs when an item is about to be expanded or collapsed. | | **ItemExpandedChanged** | Occurs after an item is expanded or collapsed. | | **ItemDataBound** | Occurs when an item is data bound. | | **ItemAdded** | Occurs when a new item is added to the Items collection. | | **ItemChanged** | Occurs when an item's property is changed. | | **LinkDataBound** | Occurs when a link is data bound. | | **LinkAdded** | Occurs when a new link added to the Links collection. | | **LinkRemoved** | Occurs when a link is removed from the Links collection. | | **HeaderCellElementCreating** | Occurs when a new header cell element needs to be created. | | **DataCellElementCreating** | Occurs when a new data cell element needs to be created. | | **TextViewCellFormatting** | Occurs when the content of a cell needs to be formatted for display. | | **TextViewItemFormatting** | Occurs when an item in the GanttViewTextViewElement state changes and it needs to be formatted. | | **TimelineItemFormatting** | Occurs when the state of a timeline item changes and it needs to be formatted. | | **GraphicalViewItemFormatting** | Occurs when the state of an item in the GanttViewGraphicalViewElement changes and it needs to be formatted. | | **PrintElementFormatting** | Occurs when an element will be printed. Allows formatting of the element. | | **PrintElementPaint** | Occurs after an element is printed. Allows for custom painting over the element. | | **SelectedLinkChanging** | Occurs when the selected link is about to be changed. | | **SelectedLinkChanged** | Occurs when selected link has been changed. | # Methods | Methods | Description | | --------------- | ----------------------------------------------- | | **BeginUpdate** | Disables all notifications in the RadGanttView. | | **EndUpdate** | Ends the update. | Complete list of Properties events and methods can be found in the API Reference: [RadGanttView](https://docs.telerik.com/devtools/winforms/api/telerik.wincontrols.ui.radganttview.html) ## See Also * [Today Indicator](https://www.telerik.com/products/winforms/documentation/controls/ganttview/today-indicator) * [Localization](https://www.telerik.com/products/winforms/documentation/controls/ganttview/localization) * [Structure](https://www.telerik.com/products/winforms/documentation/controls/ganttview/structure/structure)