public static void Start(UpdateCallback callback)
{
if (!DLLAvailable())
{
return;
}
// Make a wrapper to convert from the native enum to SMXUpdateCallbackReason.
InternalUpdateCallback NewCallback = delegate(int PadNumber, int reason, IntPtr user) {
SMXUpdateCallbackReason ReasonEnum = (SMXUpdateCallbackReason)Enum.ToObject(typeof(SMXUpdateCallbackReason), reason);
callback(PadNumber, ReasonEnum);
};
if (callback == null)
{
NewCallback = null;
}
SMX_Start(NewCallback, IntPtr.Zero);
// Keep a reference to the delegate, so it isn't garbage collected. Do this last. Once
// we do this the old callback may be collected, so we want to be sure that native code
// has already updated the callback.
CurrentUpdateCallback = NewCallback;
Console.WriteLine("Struct sizes (C#): " +
Marshal.SizeOf(typeof(SMXConfig)) + " " +
Marshal.SizeOf(typeof(SMXInfo)) + " " +
Marshal.SizeOf(typeof(SMXSensorTestModeData)));
}
public static void Start(UpdateCallback callback)
{
if (!DLLAvailable())
{
return;
}
// Sanity check SMXConfig, which should be 250 bytes. If this is incorrect,
// check the padding array.
{
SMXConfig config = new SMXConfig();
int bytes = Marshal.SizeOf(config);
if (bytes != 250)
{
throw new Exception("SMXConfig is " + bytes + " bytes, but should be 250 bytes");
}
}
// Make a wrapper to convert from the native enum to SMXUpdateCallbackReason.
InternalUpdateCallback NewCallback = delegate(int PadNumber, int reason, IntPtr user) {
SMXUpdateCallbackReason ReasonEnum = (SMXUpdateCallbackReason)Enum.ToObject(typeof(SMXUpdateCallbackReason), reason);
callback(PadNumber, ReasonEnum);
};
if (callback == null)
{
NewCallback = null;
}
SMX_Start(NewCallback, IntPtr.Zero);
// Keep a reference to the delegate, so it isn't garbage collected. Do this last. Once
// we do this the old callback may be collected, so we want to be sure that native code
// has already updated the callback.
CurrentUpdateCallback = NewCallback;
Console.WriteLine("Struct sizes (C#): " +
Marshal.SizeOf(typeof(SMXConfig)) + " " +
Marshal.SizeOf(typeof(SMXInfo)) + " " +
Marshal.SizeOf(typeof(SMXSensorTestModeData)));
}
private static extern void SMX_Start(
[MarshalAs(UnmanagedType.FunctionPtr)] InternalUpdateCallback callback,
IntPtr user);
