/// <summary>
/// Returns a sorted list of all computer's devices
/// </summary>
/// <returns></returns>
public string[] GetDevicesList()
{
List <string> HWList = new List <string>();
try
{
Guid myGUID = System.Guid.Empty;
IntPtr hDevInfo = Native.SetupDiGetClassDevs(ref myGUID, 0, IntPtr.Zero, Native.DIGCF_ALLCLASSES | Native.DIGCF_PRESENT);
if (hDevInfo.ToInt32() == Native.INVALID_HANDLE_VALUE)
{
throw new Exception("Invalid Handle");
}
Native.SP_DEVINFO_DATA DeviceInfoData;
DeviceInfoData = new Native.SP_DEVINFO_DATA();
DeviceInfoData.cbSize = Marshal.SizeOf(DeviceInfoData); // JDA 28;
//is devices exist for class
DeviceInfoData.devInst = 0;
DeviceInfoData.classGuid = System.Guid.Empty;
DeviceInfoData.reserved = 0;
UInt32 i;
StringBuilder DeviceName = new StringBuilder("");
DeviceName.Capacity = Native.MAX_DEV_LEN;
if (!Native.SetupDiEnumDeviceInfo(hDevInfo, 0, DeviceInfoData))
{
throw new Exception("No device found, are you kidding? " + Native.GetLastError());
}
for (i = 0; Native.SetupDiEnumDeviceInfo(hDevInfo, i, DeviceInfoData); i++)
{
//Declare vars
while (!Native.SetupDiGetDeviceRegistryProperty(hDevInfo,
DeviceInfoData,
Native.SPDRP_DEVICEDESC,
0,
DeviceName,
Native.MAX_DEV_LEN,
IntPtr.Zero))
{
//Skip
}
HWList.Add(DeviceName.ToString());
}
HWList.Sort();
Native.SetupDiDestroyDeviceInfoList(hDevInfo);
}
catch (Exception ex)
{
throw new Exception("Failed to enumerate device tree!", ex);
}
return(HWList.ToArray());
}
private bool RestartDevice(IntPtr hDevInfo, Native.SP_DEVINFO_DATA devInfoData)
{
int szOfPcp;
IntPtr ptrToPcp;
int szDevInfoData;
IntPtr ptrToDevInfoData;
Native.SP_PROPCHANGE_PARAMS pcp = new Native.SP_PROPCHANGE_PARAMS();
pcp.ClassInstallHeader.cbSize = Marshal.SizeOf(typeof(Native.SP_CLASSINSTALL_HEADER));
pcp.ClassInstallHeader.InstallFunction = Native.DIF_PROPERTYCHANGE;
pcp.StateChange = Native.DICS_PROPCHANGE; // for reset
pcp.Scope = Native.DICS_FLAG_CONFIGSPECIFIC;
pcp.HwProfile = 0;
szOfPcp = Marshal.SizeOf(pcp);
ptrToPcp = Marshal.AllocHGlobal(szOfPcp);
Marshal.StructureToPtr(pcp, ptrToPcp, true);
szDevInfoData = Marshal.SizeOf(devInfoData);
ptrToDevInfoData = Marshal.AllocHGlobal(szDevInfoData);
Marshal.StructureToPtr(devInfoData, ptrToDevInfoData, true);
bool rslt1 = Native.SetupDiSetClassInstallParams(hDevInfo, ptrToDevInfoData, ptrToPcp, Marshal.SizeOf(typeof(Native.SP_PROPCHANGE_PARAMS)));
if (!rslt1)
{
throw new Exception("SetupDiSetClassInstallParams failed " + Native.GetLastError());
}
bool rstl2 = Native.SetupDiCallClassInstaller(Native.DIF_PROPERTYCHANGE, hDevInfo, ptrToDevInfoData);
if (!rstl2)
{
throw new Exception("SetupDiCallClassInstaller failed" + Native.GetLastError());
}
if (rslt1 && rstl2)
{
return(true);
}
return(false);
}
