Mono.TextEditor.TextEditorData.DetachDocument C# (CSharp) Method

		void DetachDocument ()
		{
			if (document == null)
				return;
			document.BeginUndo -= OnBeginUndo;
			document.EndUndo -= OnEndUndo;

			document.Undone -= DocumentHandleUndone;
			document.Redone -= DocumentHandleRedone;
			document.LineChanged -= HandleDocLineChanged;
			document.TextReplaced -= HandleTextReplaced;

			document.TextSet -= HandleDocTextSet;
			document.Folded -= HandleTextEditorDataDocumentFolded;
			document.FoldTreeUpdated -= HandleFoldTreeUpdated;
			document = null;
		}