private void findDevice(uint pid, uint vid) {
Native.HidD_GetHidGuid(ref _hidGuid);
hHidDeviceInfo = Native.SetupDiGetClassDevs(ref _hidGuid, null, IntPtr.Zero, Native.DIGCF_PRESENT | Native.DIGCF_DEVICEINTERFACE);
if (hHidDeviceInfo.ToInt32() > -1) {
uint i = 0;
while (!isValid && i < Native.MAX_USB_DEVICES) {
var hidDeviceInterfaceData = new Native.SP_DEVICE_INTERFACE_DATA();
hidDeviceInterfaceData.cbSize = Marshal.SizeOf(hidDeviceInterfaceData);
if (Native.SetupDiEnumDeviceInterfaces(hHidDeviceInfo, 0, ref _hidGuid, i, ref hidDeviceInterfaceData)) {
bool detailResult;
uint length, required;
Native.SetupDiGetDeviceInterfaceDetail(hHidDeviceInfo, ref hidDeviceInterfaceData, IntPtr.Zero, 0, out length, IntPtr.Zero);
var hidDeviceInterfaceDetailData = new Native.PSP_DEVICE_INTERFACE_DETAIL_DATA();
hidDeviceInterfaceDetailData.cbSize = 5; //DWORD cbSize (size 4) + Char[0] (size 1) for 32bit only!
var hDeviceInterfaceDetailData = Marshal.AllocHGlobal(Marshal.SizeOf(hidDeviceInterfaceDetailData));
Marshal.StructureToPtr(hidDeviceInterfaceDetailData, hDeviceInterfaceDetailData, true);
detailResult = Native.SetupDiGetDeviceInterfaceDetail(hHidDeviceInfo, ref hidDeviceInterfaceData, hDeviceInterfaceDetailData, length, out required, IntPtr.Zero);
Marshal.PtrToStructure(hDeviceInterfaceDetailData, hidDeviceInterfaceDetailData);
if (detailResult) {
base.handle = Native.CreateFile(hidDeviceInterfaceDetailData.DevicePath,
Native.GENERIC_READ |
Native.GENERIC_WRITE,
Native.FILE_SHARE_READ |
Native.FILE_SHARE_WRITE,
IntPtr.Zero,
Native.OPEN_EXISTING,
Native.FILE_FLAG_OVERLAPPED,
IntPtr.Zero);
if (base.handle.ToInt32() > -1) {
Native.HIDD_ATTRIBUTES hidDeviceAttributes;
if (Native.HidD_GetAttributes(base.handle, out hidDeviceAttributes)) {
if ((hidDeviceAttributes.VendorID == vid) && (hidDeviceAttributes.ProductID == pid)) {
isValid = true;
ProductID = pid;
VendorID = vid;
VersionNumber = hidDeviceAttributes.VersionNumber;
IntPtr buffer = Marshal.AllocHGlobal(126);//max alloc for string;
if (Native.HidD_GetProductString(this.handle, buffer, 126)) Name = Marshal.PtrToStringAuto(buffer);
if (Native.HidD_GetSerialNumberString(this.handle, buffer, 126)) SerialNumber = Marshal.PtrToStringAuto(buffer);
Marshal.FreeHGlobal(buffer);
var capabilities = new Native.HIDP_CAPS();
IntPtr hPreparsedData;
if (Native.HidD_GetPreparsedData(this.handle, out hPreparsedData)) {
if (Native.HidP_GetCaps(hPreparsedData, out capabilities)) FeatureReportLength = capabilities.FeatureReportByteLength;
Native.HidD_FreePreparsedData(hPreparsedData);
}
break;
}
} else {
Native.CloseHandle(base.handle);
}
}
}
Marshal.FreeHGlobal(hDeviceInterfaceDetailData);
}
i++;
}
}
}
private int InitKeyboard()
{
bool flag = true;
int num1 = 0;
Guid guid = new Guid("4d1e55b2-f16f-11cf-88cb-001111000030");
IntPtr classDevs = Native.SetupDiGetClassDevs(ref guid, 0, IntPtr.Zero, 18);
classDevs.ToInt32();
int memberIndex = 0;
while (flag)
{
Native.SP_DEVICE_INTERFACE_DATA deviceInterfaceData = new Native.SP_DEVICE_INTERFACE_DATA();
flag = Native.SetupDiEnumDeviceInterfaces(classDevs, (Native.SP_DEVINFO_DATA)null, ref guid, memberIndex, deviceInterfaceData);
if (flag)
{
Native.SP_DEVINFO_DATA deviceInfoData = new Native.SP_DEVINFO_DATA();
int requiredSize = 0;
Native.SetupDiGetDeviceInterfaceDetail(classDevs, deviceInterfaceData, IntPtr.Zero, 0, ref requiredSize, deviceInfoData);
IntPtr num2 = Marshal.AllocHGlobal(requiredSize);
Marshal.StructureToPtr((object)new Native.SP_DEVICE_INTERFACE_DETAIL_DATA()
{
cbSize = (IntPtr.Size != 8 ? 4 + Marshal.SystemDefaultCharSize : 8)
}, num2, false);
Native.SetupDiGetDeviceInterfaceDetail(classDevs, deviceInterfaceData, num2, requiredSize, ref requiredSize, deviceInfoData);
string stringAuto = Marshal.PtrToStringAuto((IntPtr)((int)num2 + Marshal.SizeOf(typeof(int))));
Marshal.FreeHGlobal(num2);
if (stringAuto.IndexOf("04d9") > 0 && stringAuto.IndexOf("8008") > 0 || stringAuto.IndexOf("1044") > 0 && stringAuto.IndexOf("7a38") > 0 || stringAuto.IndexOf("1044") > 0 && stringAuto.IndexOf("7a39") > 0)
{
SECURITY_ATTRIBUTES securityAttributes = new SECURITY_ATTRIBUTES();
securityAttributes.nLength = Marshal.SizeOf((object)securityAttributes);
securityAttributes.lpSecurityDescriptor = IntPtr.Zero;
securityAttributes.bInheritHandle = 0;
IntPtr file = Win32.CreateFile(stringAuto, 3221225472U, 3, IntPtr.Zero, 3, 0, 0);
if (file.ToInt32() != -1)
{
IntPtr PreparsedData = new IntPtr();
Win32.HidD_GetPreparsedData(file, ref PreparsedData);
HIDP_CAPS Capabilities = new HIDP_CAPS();
Win32.HidP_GetCaps(PreparsedData, ref Capabilities);
if ((int)Capabilities.FeatureReportByteLength > 0)
{
_deviceHandle_2016 = file;
break;
}
}
}
else if ((stringAuto.IndexOf("1044") <= 0 || stringAuto.IndexOf("7a03") <= 0) && (stringAuto.IndexOf("1044") <= 0 || stringAuto.IndexOf("7a04") <= 0) && stringAuto.IndexOf("1044") > 0)
{
stringAuto.IndexOf("7a06");
}
++memberIndex;
}
}
return(num1);
}
