Unified line endings in WpfDesktopBackend.cs
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Sebastian Krysmanski
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cddc3b8c75
Коммит
72a169993c
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//
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// WpfDesktopBackend.cs
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//
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// Author:
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// Lluis Sanchez <lluis@xamarin.com>
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//
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// Copyright (c) 2013 Xamarin Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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// WpfDesktopBackend.cs
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//
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// Author:
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// Lluis Sanchez <lluis@xamarin.com>
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//
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// Copyright (c) 2013 Xamarin Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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using System;
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using System.Reflection;
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using System.Runtime.InteropServices;
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using Xwt.Backends;
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using SWF = System.Windows.Forms;
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using System.Collections.Generic;
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namespace Xwt.WPFBackend
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{
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public class WpfDesktopBackend: DesktopBackend
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{
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// http://msdn.microsoft.com/en-us/library/windows/desktop/dd464660(v=vs.85).aspx#determining_the_dpi_scale_factor
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const double BASELINE_DPI = 96d;
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public WpfDesktopBackend ()
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{
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Microsoft.Win32.SystemEvents.DisplaySettingsChanged += delegate
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{
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System.Windows.Application.Current.Dispatcher.BeginInvoke (new Action (OnScreensChanged));
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};
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using System.Reflection;
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using System.Runtime.InteropServices;
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using Xwt.Backends;
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using SWF = System.Windows.Forms;
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using System.Collections.Generic;
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namespace Xwt.WPFBackend
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{
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public class WpfDesktopBackend: DesktopBackend
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{
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// http://msdn.microsoft.com/en-us/library/windows/desktop/dd464660(v=vs.85).aspx#determining_the_dpi_scale_factor
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const double BASELINE_DPI = 96d;
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public WpfDesktopBackend ()
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{
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Microsoft.Win32.SystemEvents.DisplaySettingsChanged += delegate
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{
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System.Windows.Application.Current.Dispatcher.BeginInvoke (new Action (OnScreensChanged));
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};
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}
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static bool cannotCallGetDpiForMonitor;
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public override double GetScaleFactor (object backend)
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static bool cannotCallGetDpiForMonitor;
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public override double GetScaleFactor (object backend)
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{
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//FIXME: Is it possible for the Y dpi to differ from the X dpi,
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// and if so, what should we do about it?
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int dpi = (int)BASELINE_DPI;
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int dpi = (int)BASELINE_DPI;
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// In Windows 8.1, there can be a different dpi per monitor
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if (!cannotCallGetDpiForMonitor) {
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// .. I wish there was a less hacky way of getting the HMONITOR from the SWF.Screen :/
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@ -76,63 +76,63 @@ namespace Xwt.WPFBackend
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} finally {
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ReleaseDC (IntPtr.Zero, hdc);
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}
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}
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}
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}
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return dpi / BASELINE_DPI;
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}
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#region implemented abstract members of DesktopBackend
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public override Point GetMouseLocation()
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{
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return dpi / BASELINE_DPI;
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}
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#region implemented abstract members of DesktopBackend
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public override Point GetMouseLocation()
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{
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var loc = SWF.Cursor.Position;
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var screen = SWF.Screen.FromPoint (loc);
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var scale = GetScaleFactor (screen);
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// We need to convert the device pixels into WPF's device-independent pixels..
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return new Point (loc.X / scale, loc.Y / scale);
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}
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public override IEnumerable<object> GetScreens ()
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{
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return SWF.Screen.AllScreens;
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}
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public override bool IsPrimaryScreen (object backend)
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{
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return ((SWF.Screen)backend) == SWF.Screen.PrimaryScreen;
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}
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public override Rectangle GetScreenBounds (object backend)
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{
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var r = ((SWF.Screen)backend).Bounds;
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return new Rectangle (r.X, r.Y, r.Width, r.Height);
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}
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public override Rectangle GetScreenVisibleBounds (object backend)
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{
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var r = ((SWF.Screen)backend).WorkingArea;
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return new Rectangle (r.X, r.Y, r.Width, r.Height);
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}
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public override string GetScreenDeviceName (object backend)
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{
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return ((SWF.Screen)backend).DeviceName;
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}
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#endregion
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#region P/Invoke
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const int LOGPIXELSX = 88;
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const int LOGPIXELSY = 90;
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const int MDT_Effective_DPI = 0;
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[DllImport ("user32")] static extern IntPtr GetDC (IntPtr hWnd);
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[DllImport ("user32")] static extern int ReleaseDC (IntPtr hWnd, IntPtr hdc);
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[DllImport ("gdi32")] static extern int GetDeviceCaps (IntPtr hdc, int nIndex);
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[DllImport ("Shcore")] static extern int GetDpiForMonitor (IntPtr hmonitor, int dpiType, out int dpiX, out int dpiY);
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#endregion
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}
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}
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var scale = GetScaleFactor (screen);
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// We need to convert the device pixels into WPF's device-independent pixels..
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return new Point (loc.X / scale, loc.Y / scale);
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}
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public override IEnumerable<object> GetScreens ()
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{
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return SWF.Screen.AllScreens;
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}
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public override bool IsPrimaryScreen (object backend)
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{
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return ((SWF.Screen)backend) == SWF.Screen.PrimaryScreen;
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}
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public override Rectangle GetScreenBounds (object backend)
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{
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var r = ((SWF.Screen)backend).Bounds;
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return new Rectangle (r.X, r.Y, r.Width, r.Height);
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}
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public override Rectangle GetScreenVisibleBounds (object backend)
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{
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var r = ((SWF.Screen)backend).WorkingArea;
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return new Rectangle (r.X, r.Y, r.Width, r.Height);
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}
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public override string GetScreenDeviceName (object backend)
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{
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return ((SWF.Screen)backend).DeviceName;
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}
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#endregion
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#region P/Invoke
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const int LOGPIXELSX = 88;
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const int LOGPIXELSY = 90;
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const int MDT_Effective_DPI = 0;
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[DllImport ("user32")] static extern IntPtr GetDC (IntPtr hWnd);
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[DllImport ("user32")] static extern int ReleaseDC (IntPtr hWnd, IntPtr hdc);
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[DllImport ("gdi32")] static extern int GetDeviceCaps (IntPtr hdc, int nIndex);
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[DllImport ("Shcore")] static extern int GetDpiForMonitor (IntPtr hmonitor, int dpiType, out int dpiX, out int dpiY);
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#endregion
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}
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}
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