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dotnet-framework-api
- C1.Win.4.8 Assembly
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C1.Win.TreeView.4.8 Assembly
- C1.Reflection
- C1.Win.C1Themes.Design
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C1.Win.TreeView
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Classes
- BindingInfo
- C1CheckList
- C1CheckListEventArgs
- C1CheckListItem
- C1CheckListItemCollection
- C1CheckListItemStylesEventArgs
- C1CheckListSelectedItemCollection
- C1TreeColumn
- C1TreeColumnCollection
- C1TreeNode
- C1TreeNodeCollection
- C1TreeNodeConverter
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C1TreeView
- Constructors
- Properties
- Methods
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Events
- ApplyNodeCellStyles
- ApplyNodeCellToolTipText
- ApplyNodeStyles
- BeforeContextMenuShow
- BoundItemChanged
- CellBeginEdit
- CellEndEdit
- CheckStateChanged
- CheckStateChanging
- Collapsed
- Collapsing
- ColumnHeaderMouseClick
- DataBindingComplete
- Expanded
- Expanding
- HeaderCheckStateChanged
- HeaderCheckStateChanging
- ItemDrag
- MultipleSelectionChanged
- NodeCheckBoxClick
- NodeEnabledChanged
- ScrollPositionChanged
- SelectionChanged
- SelectionChanging
- StylesChanged
- C1TreeViewCancelEventArgs
- C1TreeViewCheckBoxEventArgs
- C1TreeViewColumnMouseEventArgs
- C1TreeViewEventArgs
- C1TreeViewItemDragEventArgs
- C1TreeViewNodeCellCancelEventArgs
- C1TreeViewNodeCellEventArgs
- C1TreeViewNodeCellStylesEventArgs
- C1TreeViewNodeStylesEventArgs
- C1TreeViewToolTipTextEventArgs
- CheckBoxInfo
- CheckListBindingInfo
- CustomContentPresenter
- ExpressionException
- ExpressionInfo
- HeaderStyle
- NodeCellStyle
- PropertyPath
- TreeColumnStyles
- TreeNodeCellStyles
- TreeViewStyles
- Enums
- Interfaces
- Delegates
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Classes
- C1.Win.TreeView.Design
- C1.Win.TreeView.Localization
- C1.Win.TreeView.Styles
- C1.Win.TreeView.Util
- dotnet-api
C1.Win.TreeView.C1TreeView.Expanding
Expanding Event
Occurs before the tree node is expanded. Allows to cancel the change.
Namespace: C1.Win.TreeView
Assembly: C1.Win.TreeView.4.8.dll
Syntax
public event C1TreeViewCancelEventHandler ExpandingReturns
| Type | Description |
|---|---|
| C1TreeViewCancelEventHandler | Occurs before the tree node is expanded. Allows to cancel the change. |