/// <summary>
/// Creates the button information for the device.
/// </summary>
/// <param name="deviceData">The device data.</param>
/// <returns>The button information.</returns>
public static DeviceButtonGroup[] Create(void* deviceData)
{
Caps caps;
GetCaps(deviceData, out caps);
var list = new List<DeviceButtonGroup>();
var count = caps.NumberInputButtonCaps;
var array = new ButtonCaps[count];
if (GetButtonCaps(ReportType.Input, array, ref count, deviceData) == Result.SUCCESS)
{
for (var i = 0; i < array.Length; i++)
{
if (array[i].UsagePage == UsagePage.Buttons && array[i].IsRange)
{
list.Add(new DeviceButtonGroup(ref array[i]));
}
}
}
return list.ToArray();
}
/// <summary>
/// Initializes a new instance of the <see cref="DeviceButtonGroup"/> class.
/// </summary>
/// <param name="caps">The HID button caps.</param>
private DeviceButtonGroup(ref ButtonCaps caps)
{
this.usagePage = caps.UsagePage;
this.linkCollection = caps.LinkCollection;
this.first = caps.Range.UsageMin;
this.Count = 1 + caps.Range.UsageMax - caps.Range.UsageMin;
this.Pressed = new BitArray(this.Count);
}