}// DeviceNameMatch()
public static String[] FindHIDDevices(short vendorID, short productID)
{
Guid mHidGuid = Guid.Empty;
ESnail.Utilities.Win32API.HID.HidD_GetHidGuid(ref mHidGuid);
List <String> tDeviceList = new List <String>();
String[] devPathName = new String[128];
Boolean devicesFound = DeviceManagement.FindDeviceFromGuid(mHidGuid, ref devPathName);
if (devicesFound)
{
Int32 memberIndex = 0;
do
{
SafeFileHandle mHidHandle = ESnail.Utilities.Win32API.WinBase.CreateFile(devPathName[memberIndex],
0,
ESnail.Utilities.Win32API.WinBase.FILE_SHARE_READ | ESnail.Utilities.Win32API.WinBase.FILE_SHARE_WRITE,
IntPtr.Zero,
ESnail.Utilities.Win32API.WinBase.OPEN_EXISTING,
0,
0);
if (!mHidHandle.IsInvalid)
{
Hid mHid = new Hid();
mHid.DeviceAttributes.Size = Marshal.SizeOf(mHid.DeviceAttributes);
Boolean success = ESnail.Utilities.Win32API.HID.HidD_GetAttributes(mHidHandle, ref mHid.DeviceAttributes);
if (success)
{
if ((mHid.DeviceAttributes.VendorID == vendorID) &&
(mHid.DeviceAttributes.ProductID == productID))
{
tDeviceList.Add(devPathName[memberIndex]);
}
}
mHidHandle.Close();
}
else
{
mHidHandle.Close();
}
memberIndex++;
} while (!(memberIndex == devPathName.Length));
}
if (tDeviceList.Count > 0)
{
return(tDeviceList.ToArray());
}
return(null);
}// getDevicePath()
}// closeFileHandle()
/// <param name="messageData">
/// The System.Windows.Forms.Message.LParam value.
/// </param>
public Boolean isDevice(IntPtr messageData)
{
Boolean result = false;
/*
* if (mFoundDevice)
* {
* result = DeviceManagement.DeviceNameMatch(messageData, mDevicePathName);
* }
*/
if ((null != mDevicePathName) && (mDevicePathName.Trim() != ""))
{
try
{
result = DeviceManagement.DeviceNameMatch(messageData, mDevicePathName);
}
catch (System.Exception e)
{
System.Console.WriteLine(e.ToString());
return(false);
}
}
return(result);
}// isDevice()
