Err Object

Syntax 
Err
Group
Error Handling
Description
Set Err to zero to clear the last error event. Err in an expression returns the last error code. Add vbObjectError to your error number in ActiveX Automation objects. Use Err.Raise or Error to trigger an error event. 
Err[.Number]
This is the error code for the last error event. Set it to zero (or use Err.Clear) to clear the last error condition. Use Error or Err.Raise to trigger an error event. This is the default property. 
Err.Description
This string is the description of the last error event. 
Err.Source
This string is the error source file name of the last error event. 
Err.HelpFile
This string is the help file name of the last error event. 
Err.HelpContext
This number is the help context id of the last error event. 
Err.Clear
Clear the last error event. 
Err.Raise [Number:=]errorcode _
       [, [Source:=]source] _
       [, [Description:=]errordesc] _
       [, [HelpFile:=]helpfile] _
       [, [HelpContext:=]context]
Raise an error event. 
Err.LastDLLError
Returns the error code for the last DLL call (see Declare). 
Sub Main
    On Error GoTo Problem
    Err = 1 ' set to error #1 (handler not triggered)
    Exit Sub
 
    Problem: ' error handler
    Error Err ' halt macro with message
End Sub