43 lines
1.4 KiB
C#
43 lines
1.4 KiB
C#
/*
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Copyright (C) 2014-2019 de4dot@gmail.com
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This file is part of dnSpy
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dnSpy is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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dnSpy is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with dnSpy. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using Microsoft.VisualStudio.Text;
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namespace dnSpy.Contracts.Documents.Tabs.DocViewer {
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/// <summary>
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/// Extensions
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/// </summary>
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public static class DocumentViewerExtensions {
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internal static object DocumentViewerTextBufferKey = new object();
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/// <summary>
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/// Returns a <see cref="IDocumentViewer"/> or null
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/// </summary>
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/// <param name="textBuffer">Text buffer</param>
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/// <returns></returns>
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public static IDocumentViewer? TryGetDocumentViewer(this ITextBuffer textBuffer) {
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if (textBuffer is null)
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throw new ArgumentNullException(nameof(textBuffer));
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textBuffer.Properties.TryGetProperty(DocumentViewerTextBufferKey, out IDocumentViewer documentViewer);
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return documentViewer;
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}
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}
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}
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