答案:使用PostSharp(策略注入),XTraceMethodBoundary属性,覆盖OnException.这会记录所有方法输入和返回参数类型和值.我修改了PostSharp以添加一个简单的方法来记录参数.不完美但足够好
private static void TraceMethodArguments(MethodExecutionEventArgs eventArgs)
{
object[] parameters = eventArgs.GetReadOnlyArgumentArray();
if (parameters != null)
{
string paramValue = null;
foreach (object p in parameters)
{
Type _type = p.GetType();
if (_type == typeof(string) || _type == typeof(int) || _type == typeof(double) || _type == typeof(decimal))
{
paramValue = (string)p;
}
else if (_type == typeof(XmlDocument))
{
paramValue = ((XmlDocument)p).OuterXml;
}
else
{ //try to serialize
try
{
XmlSerializer _serializer = new XmlSerializer(p.GetType());
StringWriter _strWriter = new StringWriter();
_serializer.Serialize(_strWriter, p);
paramValue = _strWriter.ToString();
}
catch
{
paramValue = "Unable to Serialize Parameter";
}
}
Trace.TraceInformation("[" + Process.GetCurrentProcess().Id + "-" + Thread.CurrentThread.ManagedThreadId.ToString() + "]" + " Parameter: " + paramValue);
}
}
}
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