VB Watch is a Visual Basic 6.0 add-in providing advanced error handling code for debuggin and testing projects and measuring performance. It processes all Visual Basic code files (.frm, .bas, .cls, .ctl, .pag, .dsr, .dob) inside Visual Basic projects (.vbp) or project groups (.vbg). It is fully customisable and includes source backup that zips all source files regardless of location. It works within the Visual Basic IDE with p-code and native executables. It comprises: