ACC: How to Turn Off "Break on All Errors" Option in Code

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SUMMARY

This article shows you how to turn off the "Break on All Errors" option in Visual Basic for Applications code to prevent users from interrupting your error handling routines.

This article assumes that you are familiar with Visual Basic for Applications and with creating Microsoft Access applications using the programming tools provided with Microsoft Access. For more information about Visual Basic for Applications, please refer to your version of the "Building Applications with Microsoft Access" manual.

MORE INFORMATION

Even when your code contains error handling routines, if you share the database with a user who has the "Break on All Errors" option turned on in Microsoft Access, a run-time error causes your code to halt and open the module containing the error. If you do not want users to handle your run- time errors, you can create procedures that suspend the "Break on All Errors" option while your code is running.

Sample Procedures to Suspend and Resume the "Break on All Errors" Option

You can use the following sample procedures in your own database to temporarily suspend the "Break on All Errors" option. Note that these procedures work whether or not the "Break on All Errors" option is set; you can include them in your code as added protection against exposing run-time errors:
  1. Create a module and type the following line in the Declarations section:
    Dim varOldBOAEOptions As Variant
    					
  2. Type the following procedures:
          '-----------------------------------------------------------------
          ' Save the current setting for the "Break on All Errors" option
          ' Turn off the "Break on All Errors" option.
          '-----------------------------------------------------------------
          Public Sub SuspendBreaks()
          Select Case Application.SysCmd(acSysCmdAccessVer)
             Case "7.0"
                varOldBOAEOptions = GetOption("Break On All Errors")
                SetOption "Break On All Errors", False
             Case "8.0"
                varOldBOAEOptions = GetOption("Error Trapping")
                SetOption "Error Trapping", 2
          End Select
    
          End Sub
    
          '-----------------------------------------------------------------
          ' Restore the "Break on All Errors" settings that were temporarily
          ' suspended by the SuspendBreaks procedure.
          '-----------------------------------------------------------------
          Public Sub ResumeBreaks()
          Select Case Application.SysCmd(acSysCmdAccessVer)
             Case "7.0"
                If Not IsEmpty(varOldBOAEOptions) Then _
                   SetOption "Break On All Errors", varOldBOAEOptions
             Case "8.0"
                If Not IsEmpty(varOldBOAEOptions) Then _
                   SetOption "Error Trapping", varOldBOAEOptions
          End Select
          End Sub
    					
  3. Save the module as basErrHandling.
  4. When you want to ensure that the "Break on All Errors" option does not interrupt the running of your code, call the SuspendBreaks procedure at the beginning of your code, and call the ResumeBreaks procedure at the end. For example:
          Function MyCodeModule()
             SuspendBreaks
             On Error GoTo MyCodeModule_Err
             ' Add your code here.
          MyCodeModule_Exit:
             ResumeBreaks
             Exit Function
          MyCodeModule_Err:
             ' Add your error handling routine here.
             Resume MyCodeModule_Exit
          End Function
    					

Example Showing Results of Different "Break on All Errors" Settings

The following example demonstrates what happens when code that contains error handling routines runs with the Break On All Errors option turned on.
  1. Start Microsoft Access and create a new blank database called MyError.mdb.
  2. Follow steps 1 through 3 in the previous section to create the procedures that suspend and resume the "Break on All Errors" option.
  3. Create a new form not based on any table or query in Design view:
          Form: frmTestErrors
          ----------------------------------------------------
          Caption: Test Error Handling
    
          Text box:
             Name: txtUName
          Text box:
             Name: txtPwd
          Command button:
             Name: cmdOK
             Caption: Without Turning Off Break On All Errors
             OnClick: [Event Procedure]
          Command button:
             Name: cmdOKBreakOff
             Caption: Turning Off Break On All Errors
             OnClick: [Event Procedure]
          Command button:
             Name: cmdCancel
             Caption: Cancel
             OnClick: [Event Procedure]
    					
  4. On the View menu, click Code, and then type the following procedures:
          '---------------------------------------------------------------
          ' Test UserName and Password.
          ' Returns:
          '   True if UserName and Password are valid.
          '   False if UserName and Password are invalid.
          ' Displays corresponding error message.
          '-------------------------------------------------------------
          Public Function ChkPwd(uid As String, strPwd As String)
             On Error GoTo badPwd
             Dim ws As Workspace
             Set ws = DBEngine.CreateWorkspace("TestPWD", uid, strPwd)
             MsgBox "Your password is correct, " & uid
             ChkPwd = True
          exitChkPwd:
             Exit Function
          badPwd:
             MsgBox "Not the right UserName or Password, " & uid & _
                    ", if that is your real name!"
             ChkPwd = False
             Resume exitChkPwd
          End Function
    
          Private Sub cmdOK_Click() ' Without "Break on All Errors" turned off.
             Call ChkPwd(Me![txtUName] & "", Me![txtPwd] & "")
          End Sub
    
          Private Sub cmdOKBreakOff_Click()
             SuspendBreaks  ' Turn off "Break on All Errors."
             Call ChkPwd(Me![txtUName] & "", Me![txtPwd] & "")
             ResumeBreaks   ' Reset "Break on All Errors."
          End Sub
    
          Private Sub cmdCancel_Click()
             DoCmd.Close
          End Sub
    					
  5. Save the frmTestErrors form and close it. On the Tools menu, click Options.
  6. In the Options dialog box, click the Advanced tab (or the Module tab in version 7.0), and then click "Break on All Errors." Click OK.
  7. Open the frmTestErrors form in Form view.
  8. Type "User1" (without the quotation marks) in the txtUName box, and type "MyPassword" (without the quotation marks) in the txtPwd box. Click "Without Turning Off Break On All Errors," and note that you receive the following run-time error message, even though your code handles errors:
    Run-time error '3029':
    Not a valid account name or password.
    Click End in response to the error message.
  9. Click "Turning Off Break On All Errors." Note that your error handling routine produces the following message:
    Not the right UserName or Password, User1, if that is your real name!

REFERENCES

For more information about error handling, search the Help Index for "error handling," or refer to your Microsoft Access manual "Building Applications with Microsoft Access 97," Chapter 8, "Handling Run-Time Errors," pages 235-254.

For more information about Break On All Errors, search the Help Index for "GetOption method" or "SetOption method."

Properties

Article ID: 167855 - Last Review: March 4, 2014 - Revision: 3.4
APPLIES TO
  • Microsoft Access 95 Standard Edition
  • Microsoft Access 97 Standard Edition
Keywords: 
kbnosurvey kbarchive kbcode kbhowto kbprogramming KB167855

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