PSLine2000Documentation/Forms/Restart Process Sheet.md

3.4 KiB

Restart Process Sheet

Analysis generated on: 4/1/2025 4:06:13 PM

Record Source

Controls

Control Name Reference
PartNumber PartNumber (from Tables/Process)

VBA Code

Option Compare Database   'Use database order for string comparisons

Private Sub Form_Timer()
On Error GoTo Err_Button0_Click

    Dim DocName As String
    Dim LinkCriteria As String
   
    PN$ = Me!PartNumber
    DocName = PrimaryScreen$
    DoCmd.OpenForm DocName, , , LinkCriteria

    DoCmd.GoToControl "PartName"
    DoCmd.GoToControl "PartNumber"
    DoCmd.FindRecord PN$
    
    
    
    DoCmd.SelectObject A_FORM, "Restart Process Sheet"
    DoCmd.Close
Exit_Button0_Click:
    Exit Sub

Err_Button0_Click:
    MsgBox Error$
    Resume Exit_Button0_Click


End Sub

What it does

VBA Code Description

Overview

This VBA code is designed to run on a regular interval (via the Form_Timer event) and performs several tasks related to database management and form interaction.

Key Components

1. Error Handling

The code uses an error handling mechanism (On Error GoTo Err_Button0_Click) to catch any errors that may occur during execution. If an error is encountered, a message box will display the error message (MsgBox Error$), and the code will attempt to continue executing from the Exit_Button0_Click label.

2. Form Timer Event

The code leverages the Form_Timer event, which is triggered at regular intervals (in this case, it's not specified how often, but it's likely set to a specific time interval). This allows the code to run repeatedly without requiring manual intervention.

3. Database Interaction

The code performs several database interactions:

  • It retrieves the current value of Me!PartNumber and stores it in the PN$ variable.
  • It sets the DocName variable to the value of PrimaryScreen$.
  • It uses the DoCmd.OpenForm method to open a form specified by DocName, with a link criteria specified by the LinkCriteria string. However, LinkCriteria is not defined in this code snippet.
  • It navigates the form to specific controls using DoCmd.GoToControl: "PartName" and "PartNumber".
  • It uses the DoCmd.FindRecord method to find a record with the value of PN$.
  • It selects an object from a database, specifying a form name ("Restart Process Sheet") and selecting a specific field (A_FORM).

4. Form Closure

After completing its tasks, the code closes the currently open form using DoCmd.Close.

Assumptions and Context

This code appears to be part of a larger application that utilizes Microsoft Access's database features. The context in which this code is deployed is likely an application with multiple forms, some of which may require frequent updates or processing. The specific details of the database schema and form structures are not provided within this code snippet.

Improvements and Suggestions

  • Define the LinkCriteria string to ensure proper linking between the open form and other records in the database.
  • Consider adding logging or debugging statements to help understand the behavior of the code, especially when encountering errors.
  • Review the database schema and forms involved to optimize performance and efficiency.
  • Ensure that the PN$ variable is correctly validated for potential data corruption or invalid input.