SIL.FieldWorks.XWorks.FwXWindow.OnInsertLinkToFile C# (CSharp) Method

		public bool OnInsertLinkToFile(object arg)
		{
			CheckDisposed();

			RootSiteEditingHelper helper = EditingHelper as RootSiteEditingHelper;
			if (helper == null || !helper.CanInsertLinkToFile())
				return false;
			string pathname = null;
			using (var fileDialog = new OpenFileDialogAdapter())
			{
				fileDialog.Filter = ResourceHelper.FileFilter(FileFilterType.AllFiles);
				fileDialog.RestoreDirectory = true;
				if (fileDialog.ShowDialog() != DialogResult.OK)
					return false;
				pathname = fileDialog.FileName;
			}
			if (string.IsNullOrEmpty(pathname))
				return false;
			pathname = MoveOrCopyFilesController.MoveCopyOrLeaveExternalFile(pathname,
				Cache.LangProject.LinkedFilesRootDir, m_mediator.HelpTopicProvider,  Cache.ProjectId.IsLocal);
			if (String.IsNullOrEmpty(pathname))
				return false;
			// JohnT: don't use m_StyleSheet, no guarantee it has been created (see LT-7034)
			helper.ConvertSelToLink(pathname, StyleSheet);
			return true;
		}