Locks the auto-fill functionality on or off and disables the corresponding user interface item.
Details: Possible values include:
null: Don't lock auto-fill.
1: Lock auto-fill.
GUI mapping: Preferences > Forms > Auto Complete drop down list.
| Registry Hive | HKEY_LOCAL_MACHINE |
| Registry Path | SOFTWARE\Policies\Adobe\Acrobat Reader\11.0\FeatureLockdown |
| Value Name | bAutoFill |
| Value Type | REG_DWORD |
| Enabled Value | 1 |
| Disabled Value | 0 |