![]() Private Function HasFiles(ByVal path As String) As Booleanĭim root As String() = Helper. To learn more, see Multiple Row Selection and Multiple Cell Selection. ![]() Multiple cell selection (block selection) is enabled by setting the MultiSelectMode property to TableViewSelectMode.Cell. Node.IsExpandButtonVisible = DefaultBoolean.False The GridControl uses a View to display data from a data source. To enable multiple node selection, set the MultiSelectMode property to TableViewSelectMode.Row. You can define detail margins using the DetailDescriptorBase.Margin property.Public partial class MainWindow : Window The GridControl supports custom margins for the details. GridControl.GetVisibleDetailDescriptor - Returns the Detail Descriptor corresponding to the currently expanded detail of the specified master row.GridControl.GetVisibleDetail - Returns the currently visible detail data control identified by its master row.You can obtain detail controls and descriptors using the following methods: This method returns null, if no DataControlDetailDescriptor objects are used as details on this level or if corresponding details are collapsed. You can use this control to display hierarchical data and allow users to navigate through individual nodes. Use the GridControl.GetDetail to obtain a detail data control identified by the master row and its Detail Descriptor. As you may already know, the DevExpress WPF TreeView was first introduced in October 2020 as a community technology preview (CTP). ![]() You can use the TableView.IsDetailButtonVisibleBinding property to selectively display or hide detail expand buttons. Set the TreeListView. To collapse the specified node or all nodes, use the TreeListView.CollapseNode or TreeListView.CollapseAllNodes method, respectively. The TableView.ShowDetailButtons property allows you to hide all expand buttons. To expand a node, use the TreeListView.ExpandNode method. To represent data in a tree structure, the data source should contain the following fields: Key Field - This field should contain unique values used to identify nodes. The GridControl.MasterRowExpanded and GridControl.MasterRowCollapsed events allow you to perform additional processing after a master row was expanded or collapsed. Set the TreeListView.TreeDerivationMode to TreeDerivationMode.Selfreference to enable the self-referential mode. Use the GridControl.MasterRowCollapsing and GridControl.MasterRowExpanding events to prevent master rows from collapsing or expanding. To prevent the width of an individual column (s) from being. This behavior is controlled by the view’s TableView.AutoWidth property. In this instance, changing the width of one column automatically changes the widths of other columns. ![]() Grid columns correspond to data fields in a data source and nodes represent data records. Data is arranged in columns and nodes (rows). To get a specific row’s state, use the GridControl.IsMasterRowExpanded. Column widths can be changed automatically, so that the total columns’ width matches the grid’s width. 2 minutes to read The TreeListView is designed to display information in a tree - in either bound or unbound mode. You can collapse and expand master rows using a single GridControl.SetMasterRowExpanded method. Use the GridControl.ExpandMasterRow and GridControl.CollapseMasterRow methods to expand and collapse master rows. Refer to the Master-Detail Mode Limitations topic to learn about the master-detail mode’s architectural limitations. moving row focus, row scrolling, filtering, sorting, etc.). Enables you to lock down end-user capabilities that affect the onscreen position of the focused row (e.g. This means the master and detail grids share vertical and horizontal scrollbars. Occurs before a new node is added to the GridControl and allows you to initialize the new record. Scrollingĭetail grids are built in the master grid visual tree. You can identify details in those elements by their captions ( DataViewBase.DetailHeaderContent property values converted to strings). Note that detail grids are integrated into the master grid’s Group Panel, Filter Panel, and other UI Elements. Use the focused detail view’s DataViewBase.DataControl property to get a focused detail GridControl instance.Ĭhanging the column order and size in any detail grid affects all the detail grids simultaneously. This property returns the master view if it is focused. You can use the master view’s DataViewBase.FocusedView property to get the focused detail view.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |