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81 lines
2.4 KiB
81 lines
2.4 KiB
/*************************************************************************************
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Toolkit for WPF
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Copyright (C) 2007-2020 Xceed Software Inc.
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This program is provided to you under the terms of the XCEED SOFTWARE, INC.
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COMMUNITY LICENSE AGREEMENT (for non-commercial use) as published at
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https://github.com/xceedsoftware/wpftoolkit/blob/master/license.md
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For more features, controls, and fast professional support,
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pick up the Plus Edition at https://xceed.com/xceed-toolkit-plus-for-wpf/
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Stay informed: follow @datagrid on Twitter or Like http://facebook.com/datagrids
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***********************************************************************************/
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using System;
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using System.Windows.Media;
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using System.Windows;
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using System.Windows.Interop;
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namespace Xceed.Wpf.AvalonDock
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{
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static class WindowHelper
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{
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public static bool IsAttachedToPresentationSource( this Visual element )
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{
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return PresentationSource.FromVisual( element as Visual ) != null;
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}
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public static void SetParentToMainWindowOf( this Window window, Visual element )
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{
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{
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var wndParent = Window.GetWindow( element );
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if( wndParent != null )
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window.Owner = wndParent;
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else
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{
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IntPtr parentHwnd;
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if( GetParentWindowHandle( element, out parentHwnd ) )
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Win32Helper.SetOwner( new WindowInteropHelper( window ).Handle, parentHwnd );
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}
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}
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}
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public static IntPtr GetParentWindowHandle( this Window window )
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{
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if( window.Owner != null )
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return new WindowInteropHelper( window.Owner ).Handle;
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else
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return Win32Helper.GetOwner( new WindowInteropHelper( window ).Handle );
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}
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public static bool GetParentWindowHandle( this Visual element, out IntPtr hwnd )
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{
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hwnd = IntPtr.Zero;
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HwndSource wpfHandle = PresentationSource.FromVisual( element ) as HwndSource;
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if( wpfHandle == null )
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return false;
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hwnd = Win32Helper.GetParent( wpfHandle.Handle );
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if( hwnd == IntPtr.Zero )
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hwnd = wpfHandle.Handle;
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return true;
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}
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public static void SetParentWindowToNull( this Window window )
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{
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if( window.Owner != null )
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window.Owner = null;
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else
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{
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Win32Helper.SetOwner( new WindowInteropHelper( window ).Handle, IntPtr.Zero );
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}
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}
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}
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}
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