public static AsyncCallback WrapCallbackForSynchronizedExecution(
AsyncCallback callback, SynchronizationContext context)
{
if (callback == null || context == null)
return callback;
return delegate(IAsyncResult result) {
if (result.CompletedSynchronously)
callback(result);
else
context.Sync(() => callback(result));
};
}
public static AsyncCallback WrapCallbackForSynchronizedExecution(AsyncCallback callback, SynchronizationContext syncContext) {
if (callback == null || syncContext == null) {
return callback;
}
AsyncCallback newCallback = delegate(IAsyncResult asyncResult) {
if (asyncResult.CompletedSynchronously) {
callback(asyncResult);
}
else {
// Only take the application lock if this request completed asynchronously,
// else we might end up in a deadlock situation.
syncContext.Sync(() => callback(asyncResult));
}
};
return newCallback;
}