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Properties, Methods and Events
Updated on Sep 24, 2025
RadTreeMap's Properties
| Property | Description |
|---|---|
| DefaultSize | Gets the default size of the RadTreeMap when a new instance is initialized. |
| ValueMember | Gets or sets the value member. |
| DisplayMember | Gets or sets the display member. |
| DataSource | Gets or sets the data source. |
| Items | Gets a collection of TreeMapDataItem objects which represent the items in RadTreeMap. |
| Groups | Gets a collection containing the groups of the RadTreeMap. |
| EnableGrouping | Gets or sets a value indicating whether the grouping is enabled. |
| AllowSelection | Gets or sets a value indicating whether the selection is enabled. |
| AllowHotTracking | Gets or sets a value indicating whether the hot tracking behavior is enabled. |
| Algorithm | Gets or sets the tree map algorithm. |
| Colorizer | Gets or sets the tree map items colorizer. |
| HoveredItem | Gets the hovered item. |
| HoveredGroup | Gets the hovered group. |
| SelectedGroup | Gets or sets the selected group. |
| SelectedItem | Gets or sets the selected item. |
| GroupBackColor | Gets or sets the group background color. |
| GroupBorderColor | Gets or sets the group border color. |
| HoveredItemBackColor | Gets or sets the hovered item background color. |
| HoveredItemBorderColor | Gets or sets the hovered item border color. |
| HoveredItemBorderWidth | Gets or sets the hovered item border width. |
| SelectedItemBackColor | Gets or sets the selected item background color. |
| SelectedItemBorderColor | Gets or sets the selected item border color. |
| SelectedItemBorderWidth | Gets or sets the border width of selected item. |
| WrapItemText | Gets or sets a value indicating whether to wrap the text of the items. |
| ItemTextAlignment | Gets or sets the text alignment of the items. |
| GroupTextAlignment | Gets or sets the text alignment of the groups. |
| GroupDescriptors | Gets a collection of GroupDescriptor which are used to define grouping rules over the TreeMapDataItemCollection. |
| Title | Gets or sets the tree map title. |
| ShowLegend | Gets or sets a value indicating whether legend is shown. |
| LegendPosition | Gets or sets the legend position. |
| LegendOrientation | Gets or sets the orientation of the legend items. |
| LegendTitle | Gets or sets the legend title. |
| ToolTipDisplayMode | Gets or sets a value indicating how to display tool tips. |
RadTreeMap's Methods
| Method | Description |
|---|---|
| EvaluateAlgorithm | Evaluates the algorithm. When the algorithm passes, each item will have updated Bounds property. |
| ColorizeItems | The colorizer passes through all items ad sets the corresponding background and foreground colors. |
RadTreeMap's Events
| Event | Description |
|---|---|
| ItemCreating | Occurs when a TreeMapDataItem needs to be created. |
| ItemDataBound | Occurs when a data-bound item is being attached to a TreeMapDataItem. |
| AlgorithmEvaluated | Occurs when the Algorithm has been evaluated and all Items have valid Bounds. |
| ItemPainting | Occurs when an item is about to be painted. |
| GroupPainting | Occurs when an group is about to be painted. |
| ItemPainted | Occurs when an item has been painted. |
| GroupPainted | Occurs when a group and its items have been painted. |
| HoveredItemChanged | Occurs when the hovered item has changed. |
| HoveredGroupChanged | Occurs when the hovered group has changed. |
| SelectedItemChanging | Occurs when the selected item is about to be changed. Cancellable. |
| SelectedItemChanged | Occurs when the selected item has changed. |
| SelectedGroupChanging | Occurs when the selected group is about to be changed. Cancellable. |
| SelectedGroupChanged | Occurs when the selected group has changed. |
| ScreenTipShowing | Occurs when the screen tip is about to be shown. Cancellable. |
| ToolTipShowing | Occurs when the tool tip is about to be shown. Cancellable. |