TreeView Class (Typed) |
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Create a tree view control.
Inheritance HierarchyNamespace: XSharp.VO.SDK
Assembly: XSharp.VOGUIClasses (in XSharp.VOGUIClasses.dll) Version: 2.24 GA
SyntaxThe TreeView type exposes the following members.
ConstructorsProperties| Name | Description | |
|---|---|---|
 | ControlType | (Overrides ControlType.) |
| DragDropEnabled |
A logical value that is TRUE if drag-and-drop is enabled for the tree view. If drag-and-drop is enabled, items can be dragged within, as well as outside, the control.
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| DragImageList |
An image list containing a single image displayed during a drag-and-drop operation for the tree view.
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| ImageList |
An image list containing images to display for each item in the tree view.
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| Indent |
A numeric value representing the number of pixels that child items are indented from parent items.
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| ItemCount |
A numeric value representing the number of items in the tree view.
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| SearchString |
The incremental search string associated with the tree view.
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| StateImageList |
An image list containing state images to display for each item in the tree view.
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| VisibleCount |
A numeric value representing the number of tree view items that are fully visible in the tree view.
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Functions| Name | Description | |
|---|---|---|
 | AddItem |
Add a new tree view item as the last child item of a specified parent.
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| Collapse(Symbol) |
Collapse a tree view item, hiding its child items.
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| Collapse(TreeViewItem) |
Collapse a tree view item, hiding its child items.
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| Collapse(Symbol, Logic) |
Collapse a tree view item, hiding its child items.
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| Collapse(TreeViewItem, Logic) |
Collapse a tree view item, hiding its child items.
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| Collapse(Symbol, Logic, Logic) |
Collapse a tree view item, hiding its child items.
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| Collapse(TreeViewItem, Logic, Logic) |
Collapse a tree view item, hiding its child items.
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| Collapse(Symbol, Logic, Logic, Logic) |
Collapse a tree view item, hiding its child items.
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| Collapse(TreeViewItem, Logic, Logic, Logic) |
Collapse a tree view item, hiding its child items.
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| DeleteAll |
Delete all items of the tree view.
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| DeleteItem(Symbol) |
Delete a tree view item.
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| DeleteItem(Usual) |
Delete a tree view item.
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| DeleteItem(TreeViewItem) |
Delete a tree view item.
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| DeleteItem(Symbol, Logic) |
Delete a tree view item.
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| DeleteItem(Usual, Logic) |
Delete a tree view item.
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| DeleteItem(TreeViewItem, Logic) |
Delete a tree view item.
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| EditItemLabel |
Begins in-place label editing of an item in the tree view.
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| EnableDragDrop |
Enable or disable drag-and-drop of items for the tree view.
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| EnableSort |
Register a user-defined method to use for sorting items in the tree view.
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| EnsureVisible |
Ensure that an item is visible in the tree view, expanding its parent item or scrolling the tree view if necessary.
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| Expand(Symbol) |
Expand a tree view item, showing its child items.
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| Expand(Symbol, Logic) |
Expand a tree view item, showing its child items.
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| Expand(Symbol, Logic, Logic) |
Expand a tree view item, showing its child items.
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| Expand(TreeViewItem, Logic, Logic) |
Expand a tree view item, showing its child items.
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| GetCurrentItem | |
| GetDropHighlight |
Return the first tree view item that is the target of a drag-and-drop operation.
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| GetFirstChildItem(Symbol) |
Return the first child tree view item.
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| GetFirstChildItem(Usual) |
Return the first child tree view item.
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| GetFirstChildItem(TreeViewItem) |
Return the first child tree view item.
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| GetFirstVisibleItem |
Return the first visible tree view item.
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| GetItemAtPosition |
Return the tree view item at a particular position, if one exists.
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| GetItemAttributes(Symbol) |
Return a tree view item given its symbolic name.
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| GetItemAttributes(TreeViewItem) | |
| GetItemBoundingBox |
Return the bounding box of a tree view item.
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| GetNextSiblingItem(Symbol) |
Return a tree view item's next sibling item.
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| GetNextSiblingItem(Usual) |
Return a tree view item's next sibling item.
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| GetNextSiblingItem(TreeViewItem) |
Return a tree view item's next sibling item.
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| GetNextVisibleItem(Symbol) |
Return a tree view item's next visible item.
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| GetNextVisibleItem(Usual) |
Return a tree view item's next visible item.
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| GetNextVisibleItem(TreeViewItem) |
Return a tree view item's next visible item.
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| GetParentItem(Symbol) | |
| GetParentItem(Usual) |
Return a tree view item's parent item.
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| GetParentItem(TreeViewItem) |
Return a tree view item's parent item.
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| GetPreviousSiblingItem(Symbol) |
Return a tree view item's previous sibling item.
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| GetPreviousSiblingItem(Usual) |
Return a tree view item's previous sibling item.
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| GetPreviousSiblingItem(TreeViewItem) |
Return a tree view item's previous sibling item.
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| GetPreviousVisibleItem(Symbol) |
Return a tree view item's previous visible item.
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| GetPreviousVisibleItem(Usual) |
Return a tree view item's previous visible item.
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| GetPreviousVisibleItem(TreeViewItem) |
Return a tree view item's previous visible item.
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| GetRootItem |
Return the root tree view item.
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| GetSelectedItem |
Return the currently selected tree view item.
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| InsertItem |
Insert a new tree view item as a child of a specified item and after a specified item in the tree view.
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| RestoreUpdate | (Overrides RestoreUpdate.) |
| SelectItem |
Cause a tree view to select a tree view item, scroll the item into view, or redraw it as the target of a drag-and-drop operation.
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| SetItemAttributes |
Update a tree view item within the tree view.
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| SortChildren |
Sort the child tree view items of an item using the user-defined sort method specified by EnableSort().
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| SuspendUpdate | (Overrides SuspendUpdate.) |
| Toggle |
Toggle the expanded or collapsed state of a tree view item, showing or hiding its child items appropriately.
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Remarks
A tree view control is a control that displays a hierarchical list of tree view items, such as files and directories on a disk. Each item consists of a label and an optional icon, and each item can have a list of subitems associated with it. By clicking an item, the user can expand and collapse the associated list of subitems.
See Also