102 lines
3.3 KiB
C#
102 lines
3.3 KiB
C#
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using System;
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using System.Drawing;
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using System.Runtime.InteropServices;
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using System.Windows;
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using System.Windows.Interop;
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namespace DM_Weight.util.TabTip
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{
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internal class Screen
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{
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public Rectangle Bounds { get; }
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public Screen(Window window)
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{
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IntPtr windowHandle = window != null ? new WindowInteropHelper(window).Handle : IntPtr.Zero;
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IntPtr monitor = window != null ? NativeMethods.MonitorFromWindow(windowHandle, NativeMethods.MONITOR_DEFAULTTONEAREST) : NativeMethods.MonitorFromPoint(new NativeMethods.POINT(0, 0), NativeMethods.MonitorOptions.MONITOR_DEFAULTTOPRIMARY);
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NativeMethods.NativeMonitorInfo monitorInfo = new NativeMethods.NativeMonitorInfo();
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NativeMethods.GetMonitorInfo(monitor, monitorInfo);
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Bounds = Rectangle.FromLTRB(monitorInfo.Monitor.Left, monitorInfo.Monitor.Top, monitorInfo.Monitor.Right, monitorInfo.Monitor.Bottom);
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}
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private static class NativeMethods
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{
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public const Int32 MONITOR_DEFAULTTONEAREST = 0x00000002;
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[DllImport("user32.dll")]
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public static extern IntPtr MonitorFromWindow(IntPtr handle, Int32 flags);
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[DllImport("user32.dll")]
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public static extern bool GetMonitorInfo(IntPtr hMonitor, NativeMonitorInfo lpmi);
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[Serializable, StructLayout(LayoutKind.Sequential)]
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public struct NativeRectangle
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{
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public readonly int Left;
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public readonly int Top;
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public readonly int Right;
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public readonly int Bottom;
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}
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[StructLayout(LayoutKind.Sequential)]
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public struct POINT
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{
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public int X;
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public int Y;
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public POINT(int x, int y)
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{
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this.X = x;
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this.Y = y;
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}
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public POINT(System.Drawing.Point pt) : this(pt.X, pt.Y) { }
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public static implicit operator System.Drawing.Point(POINT p)
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{
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return new System.Drawing.Point(p.X, p.Y);
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}
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public static implicit operator POINT(System.Drawing.Point p)
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{
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return new POINT(p.X, p.Y);
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}
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}
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[DllImport("user32.dll", SetLastError = true)]
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internal static extern IntPtr MonitorFromPoint(POINT pt, MonitorOptions dwFlags);
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internal enum MonitorOptions : uint
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{
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MONITOR_DEFAULTTONULL = 0x00000000,
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MONITOR_DEFAULTTOPRIMARY = 0x00000001,
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MONITOR_DEFAULTTONEAREST = 0x00000002
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}
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#pragma warning disable 169
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[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
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public sealed class NativeMonitorInfo
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{
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// ReSharper disable once UnusedMember.Local
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public Int32 Size = Marshal.SizeOf(typeof(NativeMonitorInfo));
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#pragma warning disable 649
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public NativeRectangle Monitor;
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#pragma warning restore 649
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public NativeRectangle Work;
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public Int32 Flags;
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}
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#pragma warning restore 169
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}
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}
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}
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