It doesn't need to rebuild the source code while monitoring inputting parameters and outputting results of the traced APIs in the target program automaticly, only monitoring the input and output of APIs.
Use VBScript or JScript to control Auto Debug.(new in Professional V5.0).
Source Code level monitor.(new in Professional V4.1).
Automatic analysis parameter type with PDB files.(new in V4.0). Support for Visual Studio 2005, Visual Studio .NET 2003 and Visual C++ 6.0.
Very easy to generate PDB files without source code if you know the api prototype.(new in Professional V4.0).
Tracing your application with release version.
The best API monitor tool.
Tracing Release version with mapfile.
Supporting Debug version and Release version, not need source code.
Supporting tracing COM Interface.
Supporting multithread.
Not need to know the prototype of the functions.
Not only trace for exported APIs, but also be effect for undocumented APIs.