Filter_DeRegisterRectFilter (changes)
Showing changes from revision #2 to #3:
Added | Removed | Changed
» FilterManager
» SWI Calls?SWI Calls
» Filter_DeRegisterRectFilter
Filter_DeRegisterRectFilter
(SWI &42645)
| Entry | |
|---|---|
| R0 | Pointer to zero terminated filter name |
| R1 | Address of Pre Rectangle Filter Code |
| R2 | Value to be passed to R12 |
| R3 | Task handle of task to which filter was applied |
| Exit |
|---|
| All registers preserved |
Use
The purpose of this call is to add a remove a Wimp_GetRectangle filter from the list of pre-filters.
Notes
All registers must be the same as those passed to Filter_RegisterPostRectFilter.
See also
Social
Follow us on
and
and
ROOL Store
Buy RISC OS Open merchandise here, including SD cards for Raspberry Pi and more.