dlprows
4c1ccd9025
improved display name and icon support fixed issues with games like halo master chief collection, which threw exceptions when getting the display name
76 lines
2.3 KiB
C#
76 lines
2.3 KiB
C#
using FocusVolumeControl.AudioHelpers;
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using System;
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using System.Collections.Generic;
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using System.Runtime.InteropServices;
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using System.Text;
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namespace FocusVolumeControl;
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public class Native
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{
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public delegate void WinEventDelegate(IntPtr hWinEventHook, uint eventType, IntPtr hwnd, int idObject, int idChild, uint dwEventThread, uint dwmsEventTime);
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[DllImport("user32.dll")]
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static extern IntPtr SetWinEventHook(uint eventMin, uint eventMax, IntPtr hmodWinEventProc, WinEventDelegate lpfnWinEventProc, uint idProcess, uint idThread, uint dwFlags);
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[DllImport("user32.dll")]
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public static extern bool UnhookWinEvent(IntPtr hWinEventHook);
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private const uint WINEVENT_OUTOFCONTEXT = 0;
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private const uint EVENT_SYSTEM_FOREGROUND = 3;
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public static IntPtr RegisterForForegroundWindowChangedEvent(WinEventDelegate dele) => SetWinEventHook(EVENT_SYSTEM_FOREGROUND, EVENT_SYSTEM_FOREGROUND, IntPtr.Zero, dele, 0, 0, WINEVENT_OUTOFCONTEXT);
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[DllImport("user32.dll")]
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public static extern IntPtr GetForegroundWindow();
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[DllImport("user32.dll", SetLastError = true)]
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public static extern uint GetWindowThreadProcessId(IntPtr hWnd, out int processId);
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private delegate bool EnumWindowProc(IntPtr hwnd, IntPtr lParam);
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[DllImport("user32")]
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[return: MarshalAs(UnmanagedType.Bool)]
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private static extern bool EnumChildWindows(IntPtr window, EnumWindowProc callback, IntPtr lParam);
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public static List<int> GetProcessesOfChildWindows(IntPtr windowHandle)
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{
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var ids = new List<int>();
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if(windowHandle != IntPtr.Zero)
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{
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EnumChildWindows(windowHandle,
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(hWnd, lParam) =>
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{
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Native.GetWindowThreadProcessId(hWnd, out var pid);
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ids.Add(pid);
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return true;
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}, IntPtr.Zero);
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}
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return ids;
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}
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[DllImport("ntdll.dll")]
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public static extern int NtQueryInformationProcess(IntPtr processHandle, int processInformationClass, ref ParentProcessUtilities processInformation, int processInformationLength, out int returnLength);
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[DllImport("Kernel32.dll")]
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public static extern bool QueryFullProcessImageName(IntPtr hProcess, uint flags, StringBuilder buffer, ref uint bufferSize);
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[DllImport("kernel32.dll")]
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public static extern IntPtr OpenProcess(uint processAccess, bool inheritHandle, int processId);
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[DllImport("kernel32.dll")]
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public static extern bool CloseHandle(IntPtr hObject);
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}
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