/****************************************************************************
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**
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** Copyright (C) 2020 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the Qt VS Tools.
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**
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** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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using System;
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using System.Runtime.InteropServices;
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using System.Text;
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namespace QtVsTools
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{
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public static class NativeAPI
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{
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public const int GWL_STYLE = -16;
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public const int GWL_EXSTYLE = -20;
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public const int WS_VISIBLE = 0x10000000;
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public const int WM_CLOSE = 0x10;
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public const int WM_STYLECHANGED = 0x007D;
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public const int WM_GETICON = 0x007F;
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public const int WM_SETICON = 0x0080;
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public const int ICON_SMALL = 0;
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public const int GCL_HICON = -14;
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public const int GCL_HICONSM = -34;
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public const int SW_HIDE = 0;
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public const int SW_SHOWMINNOACTIVE = 7;
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public const int SW_RESTORE = 9;
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[DllImport("user32.dll")]
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[return: MarshalAs(UnmanagedType.Bool)]
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public static extern bool EnumThreadWindows(
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uint dwThreadId,
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EnumThreadWindowsCallback lpfn,
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IntPtr lParam);
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public delegate bool EnumThreadWindowsCallback(IntPtr hWnd, IntPtr lParam);
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[DllImport("user32.dll", CharSet = CharSet.Unicode, EntryPoint = "GetWindowTextW")]
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public static extern int GetWindowText(IntPtr hwnd, StringBuilder lpString, int maxCount);
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public static string GetWindowCaption(IntPtr hwnd)
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{
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var caption = new StringBuilder(256);
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if (GetWindowText(hwnd, caption, caption.Capacity) > 0)
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return caption.ToString();
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else
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return string.Empty;
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}
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[DllImport("user32.dll")]
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public static extern IntPtr SetParent(IntPtr hWndChild, IntPtr hWndNewParent);
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[DllImport("user32.dll", EntryPoint = "GetWindowLongW", CharSet = CharSet.Unicode)]
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public static extern int GetWindowLong(IntPtr hWnd, int nIndex);
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[DllImport("user32.dll")]
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public static extern int SetWindowLong(IntPtr hWnd, int nIndex, int dwNewLong);
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[DllImport("user32.dll", EntryPoint = "GetClassLongW", CharSet = CharSet.Unicode)]
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public static extern int GetClassLong(IntPtr hWnd, int nIndex);
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[DllImport("user32.dll")]
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public static extern bool MoveWindow(
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IntPtr Handle,
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int x, int y,
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int w, int h,
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bool repaint);
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[DllImport("user32.dll")]
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public static extern IntPtr SendMessage(IntPtr hWnd, int Msg, int wParam, int lParam);
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[DllImport("user32.dll")]
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public static extern IntPtr SendMessage(IntPtr hWnd, int Msg, int wParam, IntPtr lParam);
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[DllImport("user32.dll")]
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public static extern IntPtr SetForegroundWindow(IntPtr hWnd);
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[DllImport("user32.dll")]
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public static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);
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[DllImport("shell32.dll", CharSet = CharSet.Auto)]
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public static extern int SHGetFileInfo(
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string pszPath,
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int dwFileAttributes,
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ref SHFILEINFO psfi,
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int cbfileInfo,
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SHGFI uFlags);
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[DllImport("user32.dll", SetLastError = true)]
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public static extern bool DestroyIcon(IntPtr hIcon);
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[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
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public struct SHFILEINFO
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{
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/// <summary>Maximal Length of unmanaged Windows-Path-strings</summary>
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public const int MAX_PATH = 260;
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/// <summary>Maximal Length of unmanaged Typename</summary>
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public const int MAX_TYPE = 80;
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public SHFILEINFO(bool dummy = true)
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{
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hIcon = IntPtr.Zero;
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iIcon = 0;
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dwAttributes = 0;
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szDisplayName = "";
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szTypeName = "";
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}
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public IntPtr hIcon;
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private readonly int iIcon;
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private readonly uint dwAttributes;
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[MarshalAs(UnmanagedType.ByValTStr, SizeConst = MAX_PATH)]
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private readonly string szDisplayName;
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[MarshalAs(UnmanagedType.ByValTStr, SizeConst = MAX_TYPE)]
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private readonly string szTypeName;
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};
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[Flags]
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public enum SHGFI : int
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{
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/// <summary>get icon</summary>
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Icon = 0x000000100,
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/// <summary>get display name</summary>
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DisplayName = 0x000000200,
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/// <summary>get type name</summary>
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TypeName = 0x000000400,
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/// <summary>get attributes</summary>
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Attributes = 0x000000800,
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/// <summary>get icon location</summary>
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IconLocation = 0x000001000,
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/// <summary>return exe type</summary>
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ExeType = 0x000002000,
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/// <summary>get system icon index</summary>
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SysIconIndex = 0x000004000,
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/// <summary>put a link overlay on icon</summary>
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LinkOverlay = 0x000008000,
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/// <summary>show icon in selected state</summary>
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Selected = 0x000010000,
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/// <summary>get only specified attributes</summary>
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Attr_Specified = 0x000020000,
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/// <summary>get large icon</summary>
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LargeIcon = 0x000000000,
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/// <summary>get small icon</summary>
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SmallIcon = 0x000000001,
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/// <summary>get open icon</summary>
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OpenIcon = 0x000000002,
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/// <summary>get shell size icon</summary>
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ShellIconSize = 0x000000004,
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/// <summary>pszPath is a pidl</summary>
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PIDL = 0x000000008,
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/// <summary>use passed dwFileAttribute</summary>
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UseFileAttributes = 0x000000010,
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/// <summary>apply the appropriate overlays</summary>
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AddOverlays = 0x000000020,
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/// <summary>Get the index of the overlay in the upper 8 bits of the iIcon</summary>
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OverlayIndex = 0x000000040,
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}
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}
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}
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