Filter_RegisterPostIconFilter
FilterManager
» SWI Calls
» Filter_RegisterPosticonFilter
Filter_RegisterPostIconFilter
(SWI &4264A)
| Entry | |
|---|---|
| R0 | Pointer to zero terminated filter name |
| R1 | Address of Wimp_GetRectangle Icon Filter Code |
| R2 | Value to be passed to filter code in R12 |
| R3 | Task handle of task to which filter is applied, or 0 for all tasks |
| Exit |
|---|
| All registers preserved |
Use
The purpose of this call is to add a new Wimp_GetRectangle icon plotting filter to the list of post-filters.
Notes
The filter routine address pointed to by R1 will be called whenever the task who’s handle is passed in R3 calls Wimp_GetRectangle. It will be called just after the windows icons have been plotted.
See also
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