Interface ITreeViewHandler
Contains methods and properties which allow to work with tree view control.
public interface ITreeViewHandler : IControlHandler, IDisposableObject, IDisposableProperties
- AllowLabelEdit
Gets or sets a value indicating whether the label text of the tree items can be edited.
- FullRowSelect
Gets or sets a value indicating whether the selection highlight spans the width of the tree view control.
- HasBorder
Gets or sets a value indicating whether the control has a border.
- HideRoot
Gets or sets a value indicating whether the display of the root node is supressed. This effectively causing the first-level nodes to appear as a series of root nodes.
- Indentation
Gets or sets the current control indentation.
- RowLines
Gets or sets a value indicating whether to draw a contrasting border between displayed rows.
- ShowExpandButtons
Gets or sets a value indicating whether expand buttons are displayed next to tree items that contain child tree items.
- ShowLines
Gets or sets a value indicating whether lines are drawn between tree items in the tree view control.
- ShowRootLines
Gets or sets a value indicating whether lines are drawn between the tree items that are at the root of the tree view.
- StateImageSpacing
Gets or sets the number of horizontal pixels between the buttons and the state images.
- TopItem
Gets or sets the first fully-visible tree item in the tree view control.
- TwistButtons
Gets or sets a value indicating whether to select alternative style of +/- buttons and to show rotating ("twisting") arrows instead.
- VariableRowHeight
Gets or sets a value indicating whether row heights become big enough to fit the content.
Methods
- BeginLabelEdit(TreeViewItem)
Initiates the editing of the tree item label.
- CollapseAll()
Collapses all child tree items.
- CollapseAllChildren(TreeViewItem)
Collapses all children of the specified item.
- EndLabelEdit(TreeViewItem, bool)
Ends the editing of the tree item label.
- EnsureVisible(TreeViewItem)
Ensures that the tree item is visible, expanding tree items and scrolling the tree view control as necessary.
- ExpandAll()
Expands all child tree items.
- ExpandAllChildren(TreeViewItem)
Expands all children of the specified item.
- HitTest(PointD)
Provides tree view item information, at a given client point, in device-independent units.
- IsItemFocused(TreeViewItem)
Checks whether or not item is focused.
- IsItemSelected(TreeViewItem)
Gets whether item is selected.
- MakeAsListBox()
Changes visual style of the control to look like ListBox.
- ScrollIntoView(TreeViewItem)
Scrolls the specified item into view.
- SetFocused(TreeViewItem, bool)
Sets focused state for the item.
- SetItemBackgroundColor(TreeViewItem, Color?)
Sets background color of the item.
- SetItemImageIndex(TreeViewItem, int?)
Sets item image index.
- SetItemIsBold(TreeViewItem, bool)
Sets item's bold state.
- SetItemText(TreeViewItem, string)
Sets item text.
- SetItemTextColor(TreeViewItem, Color?)
Sets foreground color of the item.