public void Set(Guid* pguid, IntPtr dib, DIDFT didft, DIDOI flags)
{
this.dwOfs = (int)dib;
this.dwType = (int)didft;
this.dwFlags = (int)flags;
if (null == pguid)
{
FreeGuid();
}
else
{
AllocGuid();
*(this.pguid) = *pguid;
}
}
public List<DIDEVICEOBJECTINSTANCE> EnumObjects(DIDFT flags)
{
List<DIDEVICEOBJECTINSTANCE> result = new List<DIDEVICEOBJECTINSTANCE>();
//
DIEnumDeviceObjectsCallback callback = new DIEnumDeviceObjectsCallback(EnumObjectsCallback);
GCHandle hCallback = GCHandle.Alloc(callback);
GCHandle hResult = GCHandle.Alloc(result);
try {
IntPtr pfn = Marshal.GetFunctionPointerForDelegate(callback);
this.pInputDevice.EnumObjects(pfn, GCHandle.ToIntPtr(hResult), flags);
}
finally
{
hCallback.Free();
hResult.Free();
}
//
return result;
}
public void Set(ref Guid guid, IntPtr dib, DIDFT didft, DIDOI flags)
{
fixed (Guid* pguid = &guid)
{
Set(pguid, dib, didft, flags);
}
}
