New to Telerik UI for WinForms? Start a free 30-day trial

KeyboardSelectionHandler

Class

This class handles the selection from the keyboard.

Definition

Assembly:Telerik.WinControls.RichTextEditor.dll

Syntax:

public class KeyboardSelectionHandler

Inheritance: objectKeyboardSelectionHandler

Initializes a new instance of the KeyboardSelectionHandler class.

public KeyboardSelectionHandler(RadDocument document)

Parameters:documentRadDocument

The current document.

Gets the current document.

protected RadDocument Document { get; }

Gets the caret position when starting the selection.

protected DocumentPosition LastCaretPosition { get; }

public virtual DocumentPosition ExpandDownLeft(DocumentPosition currentPosition)

Parameters:currentPositionDocumentPositionReturns:

public virtual DocumentPosition ExpandTopRight(DocumentPosition currentPosition)

Parameters:currentPositionDocumentPositionReturns:

This method updates the selected range when the caret is moved by pressing shift and the arrow keys.

public virtual void UpdateSelection(MoveCaretDirections direction = MoveCaretDirections.Unknown)

Parameters:directionMoveCaretDirections

The current movement direction of the caret.