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Seznam všech (active/non active) diskových zařízení v DeviceClasses,
který se nachází v registrech HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\DeviceClasses
pod klíčem (Key) 53f56307-b6bf-11d0-94f2-00a0c91efb8b
detekuje aktivní zařízení.
detects the active device.
Detekováno
Detected
Detekováno
Detected
First Device Detail:
\\?\bth#ms_bthpan#6&6964636&0&2#{ad498944-762f-11d0-8dcb-00c04fc3358c}\{0ceef848-2d2b-4048-923a-183eaae9ae9a}
class Form1
#region usings
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
#endregion usings
namespace WApp_HW_List
{
public partial class Form1 : Form
{
const string GUID_DEVINTERFACE_DISK = "53f56307-b6bf-11d0-94f2-00a0c91efb8b";
const int DIGCF_PROFILE = (0x00000008),
DIGCF_PRESENT = (0x00000002),
DIGCF_DEVICEINTERFACE = (0x00000010),
INVALID_HANDLE_VALUE = -1;
public Form1()
{
InitializeComponent();
}
#region Event button1_Click Fill
private void button1_Click(object sender, EventArgs e)
{
textBox1.Text = Environment.StackTrace;
List<string> devicePathName = new List<string>();
#region Get GUID by radioB
Guid DiskGUID = new Guid(GUID_DEVINTERFACE_DISK);
if( radioButton2.Checked ) DiskGUID = new Guid("4d36e972e32511cebfc108002be10318");
if( radioButton3.Checked ) Win32Calls.HidD_GetHidGuid(out DiskGUID);
if( radioButton4.Checked ) DiskGUID = new Guid(textBoxYouGuid.Text);
#endregion Get GUID by radioB
#region Get Devs
IntPtr h = Win32Calls.SetupDiGetClassDevs(ref DiskGUID, 0, IntPtr.Zero, DIGCF_PRESENT | DIGCF_PROFILE | DIGCF_DEVICEINTERFACE);
uint glerr = Win32Calls.GetLastError();
if (h.ToInt32() != INVALID_HANDLE_VALUE)
{
bool Success = true;
uint i = 0;
while (Success)
{
Win32Calls.SP_DEVICE_INTERFACE_DATA dia = new Win32Calls.SP_DEVICE_INTERFACE_DATA();
dia.cbSize = Marshal.SizeOf(dia);
Success = Win32Calls.SetupDiEnumDeviceInterfaces(h, IntPtr.Zero, ref DiskGUID, i, ref dia);
glerr = Win32Calls.GetLastError();
textBox1.Text = "SetupDiEnumDeviceInterfaces Success:" + Success.ToString() + " LastError:" + glerr.ToString();
if (Success)
{
IntPtr detailDataBuffer = IntPtr.Zero;
Int32 bufferSize = 0;
Win32Calls.SP_DEVINFO_DATA da = new Win32Calls.SP_DEVINFO_DATA();
da.cbSize = Marshal.SizeOf(da);
Win32Calls.SP_DEVICE_INTERFACE_DETAIL_DATA didd = new Win32Calls.SP_DEVICE_INTERFACE_DETAIL_DATA();
didd.DevicePath = new byte[Win32Calls.ANYSIZE_ARRAY];
didd.cbSize = 4 + Marshal.SystemDefaultCharSize;
uint nBytes = (uint)didd.cbSize;
Success = Win32Calls.SetupDiGetDeviceInterfaceDetail(h, ref dia, IntPtr.Zero, 0 , ref bufferSize , IntPtr.Zero);
detailDataBuffer = Marshal.AllocHGlobal(bufferSize);
Marshal.WriteInt32(detailDataBuffer, (IntPtr.Size == 4) ? (4 + Marshal.SystemDefaultCharSize) : 8);
nBytes = (uint)bufferSize;
Success = Win32Calls.SetupDiGetDeviceInterfaceDetail(h, ref dia, detailDataBuffer, nBytes, ref bufferSize, IntPtr.Zero);
glerr = Win32Calls.GetLastError();
textBox1.Text = "SetupDiGetDeviceInterfaceDetail Success:" + Success.ToString() + " LastError:" + glerr.ToString();
if (Success)
{
IntPtr pDevicePathName = new IntPtr(detailDataBuffer.ToInt32() + 4);
devicePathName.Add( Marshal.PtrToStringAuto(pDevicePathName) );
IntPtr ptrInstanceBuf = Marshal.AllocHGlobal((Int32)nBytes);
Win32Calls.CM_Get_Device_ID((UInt32)pDevicePathName.ToInt32(), ptrInstanceBuf, (Int32)nBytes, 0);
string InstanceID = Marshal.PtrToStringAuto(ptrInstanceBuf);
Marshal.FreeHGlobal(ptrInstanceBuf);
}
}
i++;
}
}
else
{
textBox1.Text = "SetupDiGetClassDevs LastError:" + glerr.ToString();
}
#endregion Get Devs
if (devicePathName.Count > 0)
{
textBox1.Text = "Count of Device Interface Detail:" + devicePathName.Count.ToString() + " First Device Detail:" + devicePathName[0];
for (int i = 0; i < devicePathName.Count; i++)
{
DataGridViewRow dgrc = new DataGridViewRow();
DataGridViewCell dgvc;
dgvc = new DataGridViewTextBoxCell();
dgvc.Value = (dataGridView1.Rows.Count + 1).ToString();//i.ToString();
dgrc.Cells.Add(dgvc);
dgvc = new DataGridViewTextBoxCell();
dgvc.Value = devicePathName[i];
dgrc.Cells.Add(dgvc);
dataGridView1.Rows.Add(dgrc);
}
}
bool okDestroy = Win32Calls.SetupDiDestroyDeviceInfoList(h);
}
#endregion Event button1_Click Fill
#region Event button1_Click Clear
private void button2_Click(object sender, EventArgs e)
{
dataGridView1.Rows.Clear();
}
#endregion Event button1_Click Clear
}
#region Win32Calls
class Win32Calls
{
public static uint ANYSIZE_ARRAY = 1000;
[StructLayout(LayoutKind.Sequential)]
public struct SP_DEVINFO_DATA
{
public int cbSize;
public Guid ClassGuid;
public uint DevInst;
public IntPtr Reserved;
}
[StructLayout(LayoutKind.Sequential)]
public struct SP_DEVICE_INTERFACE_DATA
{
public int cbSize;
public Guid InterfaceClassGuid;
public uint Flags;
public IntPtr Reserved;
}
[StructLayout(LayoutKind.Sequential)]
public struct SP_DEVICE_INTERFACE_DETAIL_DATA
{
public int cbSize;
public byte [] DevicePath;
}
[DllImport(@"Kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern uint GetLastError();
[DllImport(@"setupapi.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern IntPtr SetupDiGetClassDevs(ref Guid ClassGuid, int Enumerator, IntPtr hwndParent, UInt32 Flags);
[DllImport(@"setupapi.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern Boolean SetupDiEnumDeviceInterfaces(IntPtr hDevInfo, IntPtr devInfo, ref Guid interfaceClassGuid, UInt32 memberIndex, ref SP_DEVICE_INTERFACE_DATA deviceInterfaceData);
[DllImport(@"setupapi.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern Boolean SetupDiGetDeviceInterfaceDetail(IntPtr nSetupDiGetClassDevs, ref SP_DEVICE_INTERFACE_DATA DeviceInterfaceData, ref SP_DEVICE_INTERFACE_DETAIL_DATA DeviceInterfaceDetailData, uint DeviceInterfaceDetailDataSize, ref int RequiredSize, ref SP_DEVINFO_DATA DeviceInfoData);
[DllImport(@"setupapi.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern Boolean SetupDiGetDeviceInterfaceDetail(IntPtr nSetupDiGetClassDevs, ref SP_DEVICE_INTERFACE_DATA DeviceInterfaceData, IntPtr Ptr, uint DeviceInterfaceDetailDataSize, ref int RequiredSize, IntPtr PtrInfo);
[DllImport(@"setupapi.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern uint CM_Get_Parent(out UInt32 pdnDevInst, uint dnDevInst, ulong ulFlags);
[DllImport("setupapi.dll", CharSet = CharSet.Auto)]
public static extern int CM_Get_Device_ID( UInt32 dnDevInst,IntPtr Buffer,int BufferLen,int ulFlags);
[DllImport(@"setupapi.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern bool SetupDiDestroyDeviceInfoList(IntPtr hDevInfo);
[DllImport("hid.dll", SetLastError = true)]
public static extern void HidD_GetHidGuid(out Guid gHid);
}
#endregion Win32Calls
}