The value can be one or more combination of the following values.
| Name | Value | Description |
|---|---|---|
| RF_MSGFILTER_NONE | 0 | Set the rapidform doesn't broadcast any messages to addin. |
| RF_MSGFILTER_WMMOUSE | 2 | Allow rapidform broadcasts mouse events to addin. |
| RF_MSGFILTER_RFCOMMAND | 65536 | Allow rapidform broadcasts specified actions to addin. |
| RF_MSGFILTER_RFTRACKBALL | 262144 | Allow rapidform broadcasts trackball events to addin. |