Asking for the zero'th index is special - it returns a string descriptor that contains all the language IDs supported by the device. Typically there aren't many - often only one. The language IDs are 16 bit numbers, and they start at the third byte in the descriptor. See USB 2.0 specification, section 9.6.7, for more information on this.
- langIDs (array<Int16>()%)
[Missing <param name="langIDs"/> documentation for "M:LibUsbDotNet.IUsbInterface.GetLangIDs(System.Int16@)"]
Assembly: LibUsbDotNet (Module: LibUsbDotNet) Version: 18.104.22.168 (22.214.171.124)
A collection of LCIDs that the current UsbDevice supports.