NTextBox Class Methods

	Name	Description
	CanCopy	Determines whether the copy operation will place anything on the clipboard.
	CanCut	Determines whether the cut operation will place anything on the clipboard.
	CanPaste	Determines whether the paste operation can be performed
	Copy	Copies the selected text to the clipboard. Returns true if any text has been set to the clipboard, otherwise returns false.
	Cut	Cuts (removes) the selected text, and places it on the clipbard. Returns true if any text has been set to the clipboard, otherwise returns false.
	DeselectAll	Deselects the selected text, if any
	EnsureCaretVisible	Ensures that the caret is visible
	GetCaretPos	Gets the current caret position.
	InsertReplaceChar	Inserts a character at the current caret position and positions the caret on the next grapheme. If there is a selected text, it is first removed.
	InsertReplaceText	Inserts text at the current caret position and positions the caret to the end of the inserted text. If there is a selected text, it is first removed.
	InvalidateMeasure	Overridden. Invalidates the element measure and pools the element for measure validation.
	IsSelectedRangeEmpty	Returns true, if the text box currently does not have any text selected.
	MoveCaret	Overloaded. Moves the caret in the specified direction. Resets the selection.
	Paste	Pastes text from the clipboard and performs an insert-replace text operation. Returns true if any text has been pasted from the clipboard, otherwise returns false.
	Redo	Redos the last user operation
	RemoveSelectedText	Removes the currently selected text and positions the caret to the removed range begin. If there is no selection, this method does nothing and returns false.
	SelectAll	Selects the entire text of the text box
	SelectRange	Selects the text from the char at index start to the char at index end (i.e. the text in the [start;end] range.
	SetCaretPos	Overloaded. Sets the caret position. Resets the selection. Updates the caret XGuideCaretPos position.
	TryGetSelectedRange	Tries to get the selected text of the text. The returned 1D range is valid only when this method returns true.
	TryGetSelectedText	Tries to get the selected text of the text box. The returned text string is valid only when this method returns true.
	Undo	Undos the last user operation
	VisitChildDisplaySubtree	Overridden. Called to propagate the display traversal to the specified child node. This implementation directly calls the VisitDisplaySubtree method of the child node.

	Name	Description
	AccumulateContentDisplayChildren	Overridden. Overriden to include the caret
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	ArrangeContent	Overridden. Arranges the element content.
	CreatePopupWidget	Creates the context widget that is shown when the user Right Clicks on the text box.
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	GetTotalViewport	Overridden.
	MeasureViewportContent	Overridden. Measures the element's content.
	OnArrangeSlotChanged	Overridden. Called when the width or height of the arrange slot has changed.
	OnContextPopupClosed	Called when the context popup is closed.
	OnCopyMenuItemClick	Called when the copy menu item is clicked.
	OnCutMenuItemClick	Called when the cut menu item is clicked.
	OnFocusIn	Overridden. Default handler for the NKeyboard.FocusInEvent event.
	OnFocusOut	Overridden. Default handler for the NKeyboard.FocusOutEvent event.
	OnInputChar	Overridden. Processes the given character input.
	OnKeyDown	Overridden. Processes a key down event.
	OnMouseDown	Overridden.
	OnMouseMove	Overridden.
	OnMouseUp	Overridden.
	OnPasteMenuItemClick	Called when the paste menu item is clicked.
	OnPrePaint	Overridden. Peforms the element pre children paint. Overriden to render the text
	OnTextChanged	Called when the Text property has changed.
	OnTextChanging	Called when the Text property is changing.
	OnUnregistered	Overridden.
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	ScrollToCaret	Ensures that the current caret position is visible
	ShowContextPopup	Shows the context widget.
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Reference