1 help : displays list of commands 2 vl : creates a variable list 3 rvl : refreshes a variable list 256 OS System error 257 File has no debug information 258 Invalid handle 259 Debug-Application cannot be started 260 Debug-Interface is used by another application 261 Debug-Application terminated 262 File could not be opened 263 Debuggee was stopped 264 Unknown Exception 265 No connection to debugge 266 Pipe cannot be created 267 Pipe cannot be connected 268 Pipe communication error: conn 269 Pipe communication error:trans 270 Pipe communication error:exit 271 Pipe communication error:flush 272 Pipe communication error:disc 273 Error creating debuggee process 274 Invalid process info 275 Invalid debug info 276 User interface not running 400 help rvl vl 500 Program terminated 501 by CTRL-C Exception 502 , Exit Code: 503 Exit Code not available 504 Exception 505 abnormally, see 506 File was not compiled/linked with Xbase++ debug information 507 Possible DLL version conflict 1000 Unknown error