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42 lines
1.9 KiB
42 lines
1.9 KiB
6 years ago
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// This code is distributed under MIT license.
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// Copyright (c) 2015 George Mamaladze
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// See license.txt or http://opensource.org/licenses/mit-license.php
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using System;
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using System.Runtime.InteropServices;
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namespace Gma.System.MouseKeyHook.WinApi
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{
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internal static class ThreadNativeMethods
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{
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/// <summary>
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/// Retrieves the unmanaged thread identifier of the calling thread.
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/// </summary>
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/// <returns></returns>
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[DllImport("kernel32")]
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internal static extern int GetCurrentThreadId();
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/// <summary>
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/// Retrieves a handle to the foreground window (the window with which the user is currently working).
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/// The system assigns a slightly higher priority to the thread that creates the foreground window than it does to
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/// other threads.
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/// </summary>
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/// <returns></returns>
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[DllImport("user32.dll", CharSet = CharSet.Auto)]
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internal static extern IntPtr GetForegroundWindow();
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/// <summary>
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/// Retrieves the identifier of the thread that created the specified window and, optionally, the identifier of the
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/// process that
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/// created the window.
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/// </summary>
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/// <param name="handle">A handle to the window. </param>
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/// <param name="processId">
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/// A pointer to a variable that receives the process identifier. If this parameter is not NULL,
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/// GetWindowThreadProcessId copies the identifier of the process to the variable; otherwise, it does not.
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/// </param>
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/// <returns>The return value is the identifier of the thread that created the window. </returns>
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[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
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internal static extern int GetWindowThreadProcessId(IntPtr handle, out int processId);
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}
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}
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