Fix VBA ComboBox Change Event Not Firing in Multipage UserForm
Question details
The user is trying to trigger a Change event for a ComboBox located inside a Multipage UserForm, but the event fails to fire even when using a basic MsgBox for testing.
- Product
- Excel VBA
- Device & OS
- not provided
- Scenario
- Developing or debugging a VBA macro where a UserForm utilizes a Multipage control with an embedded ComboBox.
- Observed behavior
- The ComboBox Change event procedure does not trigger or execute its code when the user changes the ComboBox selection.
Double-check that the name of your ComboBox control perfectly matches the name used in your VBA event subroutine (e.g., Private Sub ComboBox1_Change()).
Verify Event Signature and Recreate the Hook
Use this solution to ensure the VBA editor has properly linked the control's event to the subroutine, which is a common issue when controls are copy-pasted.
When controls are renamed or copied between different pages of a Multipage control, VBA sometimes loses the internal link between the control and its event handler. Re-establishing this link is the fastest way to fix the issue.
Press Alt + F11 to open the VBA Editor and locate your UserForm in the Project Explorer.
Double-click the UserForm to view it, then navigate to the specific tab on your Multipage control where the ComboBox is located.
Double-click the ComboBox itself. The VBA Editor will automatically generate the correct, perfectly named Private Sub [Name]_Change() wrapper.
Move your MsgBox code inside this newly generated wrapper, run the UserForm, and change the dropdown value to see if the event fires.
Create a Stripped-Down Workbook to Isolate the Issue
If the event still refuses to fire, the UserForm or Workbook itself might be corrupted. Creating a clean test file helps identify the root cause.
Write and Debug VBA Macros Effortlessly with WPS Spreadsheet
WPS Office provides robust integrated support for VBA and macros, allowing you to easily manage UserForms, ComboBoxes, and event handlers with a familiar debugging environment.
- 1. Open Your Macro File: Launch WPS Spreadsheet and open your macro-enabled workbook (.xlsm).
- 2. Access the Developer Tools: Navigate to the Developer tab on the top ribbon and click on 'VBA Editor'.
- 3. Manage UserForms: Locate your UserForm in the Project Explorer and access the Multipage control easily.
- 4. Edit Control Events: Double-click your ComboBox to let the editor instantly generate the correct event handler and paste your code.

Frequently Asked Questions
Why does the ComboBox Click event fire but not the Change event?
The Change event specifically requires the actual value of the ComboBox to be modified. If the value re-selected by the user is the same as the current value, the Change event will not trigger. A Click or DropButtonClick event, however, triggers upon physical interaction regardless of the value.
Does Application.EnableEvents affect UserForm controls?
No, Application.EnableEvents primarily governs Worksheet and Workbook level events (like Worksheet_Change). UserForm controls handle their own event triggers independently. To suppress UserForm events programmatically, you typically need to use global boolean variables (e.g., bDisableEvents = True).
Can placing a ComboBox inside a Frame within a Multipage break events?
Yes, deeply nested controls (like a ComboBox inside a Frame inside a Multipage) can occasionally experience focus issues or event detachment in older VBA environments. Re-creating the control directly on the Multipage tab or ensuring it is brought to the front can resolve these unrecognized event triggers.




