internal static extern bool SetupDiGetDeviceRegistryProperty(
IntPtr DeviceInfoSet,
ref USBM.SP_DEVINFO_DATA DeviceInfoData,
uint Property,
ref uint PropertyRegDataType,
IntPtr PropertyBuffer,
uint PropertyBufferSize,
ref uint RequiredSize);
internal static extern bool SetupDiEnumDeviceInfo(
IntPtr DeviceInfoSet,
uint MemberIndex,
ref USBM.SP_DEVINFO_DATA DeviceInterfaceData);
private bool CheckIfPresentAndGetUSBDevicePath()
{
try
{
IntPtr zero1 = IntPtr.Zero;
USBM.SP_DEVICE_INTERFACE_DATA DeviceInterfaceData = new USBM.SP_DEVICE_INTERFACE_DATA();
USBM.SP_DEVICE_INTERFACE_DETAIL_DATA interfaceDetailData = new USBM.SP_DEVICE_INTERFACE_DETAIL_DATA();
USBM.SP_DEVINFO_DATA spDevinfoData = new USBM.SP_DEVINFO_DATA();
uint MemberIndex = 0;
uint PropertyRegDataType = 0;
uint RequiredSize1 = 0;
uint RequiredSize2 = 0;
uint RequiredSize3 = 0;
IntPtr zero2 = IntPtr.Zero;
uint num1 = 0;
string str = "Vid_04d8&Pid_fc39";
IntPtr classDevs = USBM.SetupDiGetClassDevs(ref this.InterfaceClassGuid, IntPtr.Zero, IntPtr.Zero, 18U);
if (!(classDevs != IntPtr.Zero))
{
return(false);
}
do
{
DeviceInterfaceData.cbSize = (uint)Marshal.SizeOf((object)DeviceInterfaceData);
if (USBM.SetupDiEnumDeviceInterfaces(classDevs, IntPtr.Zero, ref this.InterfaceClassGuid, MemberIndex, ref DeviceInterfaceData))
{
if (Marshal.GetLastWin32Error() == 259)
{
USBM.SetupDiDestroyDeviceInfoList(classDevs);
return(false);
}
spDevinfoData.cbSize = (uint)Marshal.SizeOf((object)spDevinfoData);
USBM.SetupDiEnumDeviceInfo(classDevs, MemberIndex, ref spDevinfoData);
USBM.SetupDiGetDeviceRegistryProperty(classDevs, ref spDevinfoData, 1U, ref PropertyRegDataType, IntPtr.Zero, 0U, ref RequiredSize1);
IntPtr num2 = Marshal.AllocHGlobal((int)RequiredSize1);
USBM.SetupDiGetDeviceRegistryProperty(classDevs, ref spDevinfoData, 1U, ref PropertyRegDataType, num2, RequiredSize1, ref RequiredSize2);
string stringUni = Marshal.PtrToStringUni(num2);
Marshal.FreeHGlobal(num2);
string lowerInvariant = stringUni.ToLowerInvariant();
str = str.ToLowerInvariant();
if (lowerInvariant.Contains(str))
{
// Just... it just is. I don't get it.
interfaceDetailData.cbSize = 8;
USBM.SetupDiGetDeviceInterfaceDetail(classDevs, ref DeviceInterfaceData, IntPtr.Zero, 0U, ref RequiredSize3, IntPtr.Zero);
IntPtr zero3 = IntPtr.Zero;
IntPtr detailDataReal = Marshal.AllocHGlobal((int)RequiredSize3);
Marshal.StructureToPtr(interfaceDetailData, detailDataReal, false);
if (USBM.SetupDiGetDeviceInterfaceDetail(classDevs, ref DeviceInterfaceData, detailDataReal, RequiredSize3, IntPtr.Zero, IntPtr.Zero))
{
// Starts right after the 4 byte size.
this.DevicePath = Marshal.PtrToStringUni(new IntPtr(detailDataReal.ToInt64() + 4));
USBM.SetupDiDestroyDeviceInfoList(classDevs);
Marshal.FreeHGlobal(detailDataReal);
return(true);
}
Marshal.GetLastWin32Error();
USBM.SetupDiDestroyDeviceInfoList(classDevs);
Marshal.FreeHGlobal(detailDataReal);
return(false);
}
++MemberIndex;
++num1;
}
else
{
uint lastWin32Error = (uint)Marshal.GetLastWin32Error();
USBM.SetupDiDestroyDeviceInfoList(classDevs);
return(false);
}
}while (num1 != 10000000U);
return(false);
}
catch
{
return(false);
}
}