mirror of
https://github.com/QL-Win/QuickLook.git
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57 lines
1.7 KiB
C#
57 lines
1.7 KiB
C#
// Copyright © 2017-2025 QL-Win Contributors
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//
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// This file is part of QuickLook program.
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//
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// This program 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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//
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// This program 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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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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using QuickLook.Common.Plugin;
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using System;
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using System.Runtime.InteropServices;
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using System.Windows;
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using System.Windows.Forms.Integration;
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namespace QuickLook.Plugin.OfficeViewer;
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public class PreviewPanel : WindowsFormsHost, IDisposable
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{
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private PreviewHandlerHost _control;
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public new void Dispose()
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{
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Application.Current.Dispatcher.BeginInvoke(new Action(() =>
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{
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Child = null;
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_control?.Dispose();
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_control = null;
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base.Dispose();
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}));
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}
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public void PreviewFile(string file, ContextObject context)
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{
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_control = new PreviewHandlerHost();
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Child = _control;
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_control.Open(file);
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}
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[DllImport("user32.dll")]
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[return: MarshalAs(UnmanagedType.Bool)]
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private static extern bool SetForegroundWindow(IntPtr hWnd);
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[DllImport("user32.dll")]
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[return: MarshalAs(UnmanagedType.Bool)]
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private static extern bool SetActiveWindow(IntPtr hWnd);
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}
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