public static IOHIDValue FromInteger (IOHIDElement element, int value)
{
var timeStamp = Time.Absolute;
var valueRef = IOHIDValueCreateWithIntegerValue (IntPtr.Zero,
element.Handle,
timeStamp,
(CFIndex)value);
return new IOHIDValue (valueRef, true);
}
public static IOHIDValue FromBytes (IOHIDElement element, byte[] bytes)
{
var timeStamp = Time.Absolute;
var valueRef = IOHIDValueCreateWithBytes (IntPtr.Zero,
element.Handle,
timeStamp, bytes,
(CFIndex)bytes.Length);
return new IOHIDValue (valueRef, true);
}
public void Detatch (IOHIDElement element) {
ThrowIfDisposed ();
if (element == null)
throw new ArgumentNullException ("element");
IOHIDElementDetach (Handle, element.Handle);
}
public IDictionary<IOHIDElement, IOHIDValue> GetValues (IOHIDElement[] elements) {
ThrowIfDisposed ();
if (elements == null)
throw new ArgumentNullException ("elements");
var elementArray = CFArray.FromNativeObjects (elements);
IOHIDElement[] keys = new IOHIDElement[elements.Length];
IOHIDValue[] values = new IOHIDValue[elements.Length];
CFDictionary multiple = CFDictionary.FromObjectsAndKeys (values, keys);
var multipleRef = multiple.Handle;
var result = IOHIDDeviceCopyValueMultiple (Handle, elementArray.Handle, ref multipleRef);
IOObject.ThrowIfError (result);
var dict = new Dictionary<IOHIDElement, IOHIDValue> (multiple.Count);
IntPtr[] keyRefs, valueRefs;
multiple.GetKeysAndValues (out keyRefs, out valueRefs);
for (int i = 0; i < multiple.Count; i++)
dict.Add (new IOHIDElement (keyRefs [i], true), new IOHIDValue (valueRefs [i], true));
CFType.Release (multiple.Handle);
return dict;
}
public IOHIDValue GetValue (IOHIDElement element) {
ThrowIfDisposed ();
if (element == null)
throw new ArgumentNullException ("element");
IntPtr valueRef;
var result = IOHIDDeviceGetValue (Handle, element.Handle, out valueRef);
IOObject.ThrowIfError (result);
if (valueRef == IntPtr.Zero)
return null;
return new IOHIDValue (valueRef, true);
}
public void SetValue (IOHIDElement element, IOHIDValue value) {
ThrowIfDisposed ();
if (element == null)
throw new ArgumentNullException ("element");
if (value == null)
throw new ArgumentNullException ("value");
var result = IOHIDDeviceSetValue (Handle, element.Handle, value.Handle);
IOObject.ThrowIfError (result);
}
public IOHIDElement[] GetAllElements () {
ThrowIfDisposed ();
var arrayRef = IOHIDDeviceCopyMatchingElements (Handle, IntPtr.Zero, 0);
if (arrayRef == IntPtr.Zero)
return null;
using (var array = new CFArray (arrayRef, true)) {
var elements = new IOHIDElement[array.Count];
for (int i = 0; i < elements.Length; i++)
elements [i] = new IOHIDElement (array.GetValue (i), true);
return elements;
}
}
public IOHIDElement[] GetMatchingElements (IDictionary<string, ValueType> matchingDictionary) {
ThrowIfDisposed ();
if (matchingDictionary == null)
throw new ArgumentNullException ("matchingDictionary");
var matching = NSDictionary.FromObjectsAndKeys (matchingDictionary.Values.ToArray (),
matchingDictionary.Keys.ToArray ());
var arrayRef = IOHIDDeviceCopyMatchingElements (Handle, matching.Handle, 0);
if (arrayRef == IntPtr.Zero)
return null;
using (var array = new CFArray (arrayRef, true)) {
var elements = new IOHIDElement[array.Count];
for (int i = 0; i < elements.Length; i++)
elements [i] = new IOHIDElement(array.GetValue (i), true);
return elements;
}
}
