QueryUnloadConstants
Reason codes reported in the UnloadMode argument of a form's QueryUnload event, identifying what triggered the unload.
| Constant | Value | Description |
|---|---|---|
| vbFormControlMenu | 0 | The user clicked the form's Close button (or selected Close from its system menu). |
| vbFormCode | 1 | The unload was initiated by code calling Unload. |
| vbAppWindows | 2 | Windows is shutting down. |
| vbAppTaskManager | 3 | The application is being closed by Task Manager. |
| vbFormMDIForm | 4 | The MDI parent form is being unloaded. |
| vbFormOwner | 5 | The owner form is being unloaded. |