code/Device/DeviceManager.cs

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using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.Diagnostics;
using System.Text;
using System.Runtime.InteropServices;

namespace Sylloge.Device
{
    public static class Manager
    {
        public enum DeviceState
        {
            Enable,
            Disable
        }

        #region Class Methods and Properties

        public static bool SetDeviceState(string match, DeviceState deviceState)
        {
            // TODO: why is this commented out??? fix this!!!
            


            return false;
            //try {
            //    System.Guid CurrentGuid = System.Guid.Empty;
            //    IntPtr h = Sylloge.Win32.SetupDiGetClassDevs(ref CurrentGuid,
            //                                              IntPtr.Zero, 
            //                                              IntPtr.Zero, 
            //                                              Sylloge.Win32.Constants.DIGCF_ALLCLASSES | Sylloge.Win32.Constants.DIGCF_PRESENT);
            //    if (h == Sylloge.Win32.Constants.INVALID_HANDLE_VALUE) { return false; }
            //    Win32.SP_DEVINFO_DATA DeviceInfoData = new Win32.SP_DEVINFO_DATA();

            //    Win32.SP_DEVICE_INTERFACE_DATA dia = new Win32.SP_DEVICE_INTERFACE_DATA();
            //    dia.cbSize = Marshal.SizeOf(dia);
            //    // start the enumeration
            //    bool success = Win32.SetupDiEnumDeviceInterfaces(h, IntPtr.Zero, ref DEVCLASS_NET, i++, ref dia);


            //    DeviceInfoData.cbSize = 28;
            //    // Devices exist for class
            //    DeviceInfoData.devInst = 0;
            //    DeviceInfoData.classGuid = System.Guid.Empty;
            //    DeviceInfoData.reserved = IntPtr.Zero;
            //    int Index = 0;
            //    StringBuilder DeviceName = new StringBuilder("");
            //    int Timeout = 0;
            //    DeviceName.Capacity = Win32.Constants.MAX_DEV_LEN;
            //    while (Sylloge.Win32.SetupDiEnumDeviceInfo(DeviceInfo, Index, DeviceInfoData)) {
            //        while (!Sylloge.Win32.SetupDiGetDeviceRegistryProperty(DeviceInfo, ref DeviceInfoData, Win32.Constants.SPDRP_DEVICEDESC, 0, DeviceName, Win32.Constants.MAX_DEV_LEN, IntPtr.Zero)) {
            //            Sylloge.Win32.SetupDiGetDeviceRegistryProperty(DeviceInfo, ref DeviceInfoData, Win32.Constants.SPDRP_DEVICEDESC, IntPtr.Zero, 
            //            if (Timeout++ > 20) { break; } // Skip
            //        }
            //        if (DeviceName.ToString().ToLower().Contains(match.ToLower())) {
            //            Sylloge.DeviceManager.ChangeDeviceState(DeviceInfo, DeviceInfoData, deviceState);
            //            break; // Once we find and disable/enable then bail
            //        }
            //        Index++;
            //    }
            //    Win32.SetupDiDestroyDeviceInfoList(DeviceInfo);
            //} catch (Exception ex) {
            //    Console.WriteLine(ex.Message);
            //    return false;
            //}
            //return true;
        }

        private static bool ChangeDeviceState(IntPtr deviceInfo, Sylloge.WinAPI.SP_DEVINFO_DATA did, DeviceState deviceState)
        {
            return false;
            //try {
            //    // Marshalling vars
            //    int ChangeParametersSize = 0;
            //    IntPtr ChangeParametersPointer = default(IntPtr);
            //    int DeviceInfoDataSize = 0;
            //    IntPtr DeviceInfoDataPointer = default(IntPtr);
            //    Win32.DevicePropertyChangeParameters Value = new Win32.DevicePropertyChangeParameters();
            //    if (deviceState == DeviceState.Enable) {
            //        Value.ClassInstallHeader.cbSize = Marshal.SizeOf(Value.ClassInstallHeader);
            //        Value.ClassInstallHeader.InstallFunction = Win32.Constants.DIF_PROPERTYCHANGE;
            //        Value.StateChange = Win32.Constants.DICS_ENABLE;
            //        Value.Scope = Win32.Constants.DICS_FLAG_GLOBAL;
            //        Value.HwProfile = 0;
            //        // Marshal the params
            //        ChangeParametersSize = Marshal.SizeOf(Value);
            //        ChangeParametersPointer = Marshal.AllocHGlobal(ChangeParametersSize);
            //        Marshal.StructureToPtr(Value, ChangeParametersPointer, true);
            //        DeviceInfoDataSize = Marshal.SizeOf(did);
            //        DeviceInfoDataPointer = Marshal.AllocHGlobal(DeviceInfoDataSize);
            //        if ((Win32.SetupDiSetClassInstallParams(deviceInfo, DeviceInfoDataPointer, ChangeParametersPointer, Marshal.SizeOf(Value)))) {
            //            Win32.SetupDiCallClassInstaller(Win32.Constants.DIF_PROPERTYCHANGE, deviceInfo, DeviceInfoDataPointer);
            //        }
            //        Value.ClassInstallHeader.cbSize = Marshal.SizeOf(Value.ClassInstallHeader);
            //        Value.ClassInstallHeader.InstallFunction = Win32.Constants.DIF_PROPERTYCHANGE;
            //        Value.StateChange = Win32.Constants.DICS_ENABLE;
            //        Value.Scope = Win32.Constants.DICS_FLAG_CONFIGSPECIFIC;
            //        Value.HwProfile = 0;
            //    } else {
            //        Value.ClassInstallHeader.cbSize = Marshal.SizeOf(Value.ClassInstallHeader);
            //        Value.ClassInstallHeader.InstallFunction = Win32.Constants.DIF_PROPERTYCHANGE;
            //        Value.StateChange = Win32.Constants.DICS_DISABLE;
            //        Value.Scope = Win32.Constants.DICS_FLAG_CONFIGSPECIFIC;
            //        Value.HwProfile = 0;
            //    }
            //    //Marshal the params
            //    ChangeParametersSize = Marshal.SizeOf(Value);
            //    ChangeParametersPointer = Marshal.AllocHGlobal(ChangeParametersSize);
            //    Marshal.StructureToPtr(Value, ChangeParametersPointer, true);
            //    DeviceInfoDataSize = Marshal.SizeOf(did);
            //    DeviceInfoDataPointer = Marshal.AllocHGlobal(DeviceInfoDataSize);
            //    Marshal.StructureToPtr(did, DeviceInfoDataPointer, true);
            //    bool SetupDiClassParamsResult = Win32.SetupDiSetClassInstallParams(deviceInfo, DeviceInfoDataPointer, ChangeParametersPointer, Marshal.SizeOf(Value));
            //    bool SetupDiClassInstallerResult = Win32.SetupDiCallClassInstaller(Win32.Constants.DIF_PROPERTYCHANGE, deviceInfo, DeviceInfoDataPointer);
            //    if ((!SetupDiClassParamsResult || !SetupDiClassInstallerResult)) {
            //        // Sylloge.G.Out("Unable to change device state");
            //        Console.WriteLine("Unable to change device state");
            //        return false;
            //    }
            //} catch (Exception ex) {
            //    //Sylloge.G.Out("Unable to change device state", ex);
            //    Console.WriteLine(ex.Message);
            //    return false;
            //}
            //return true;
        }

        #endregion
    }
    
}