public IAsyncResult BeginRetrieveHeader(int index, AsyncCallback callback)
{
this._delegateRetrieveHeaderInt = this.RetrieveHeader;
return this._delegateRetrieveHeaderInt.BeginInvoke(index, callback, this._delegateRetrieveHeaderInt);
}
public IAsyncResult BeginRetrieveHeader(int index, AsyncCallback callback)
{
this._delegateRetrieveHeaderInt = this.RetrieveHeader;
return(this._delegateRetrieveHeaderInt.BeginInvoke(index, callback, this._delegateRetrieveHeaderInt));
}
