Wimp_Extend (changes)
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WindowManager
» SWI Calls
» Wimp_Extend
Wimp_Extend
(SWI &400FB)
| Entry | ||
|---|---|---|
| R0 | Reason Code | |
| 0-5 | Internal use only | |
| 6 | Stack Information (parent window) | |
| 7 | Stack Information (top child window) | |
| 8 | Stack Information (bottom child window) | |
| 9 | Stack Information (sibling immediately below) | |
| 10 | Stack Information (sibling immediately above) | |
| 11 | Window Information | |
| 13 | Sprite Suffix | |
| 14 | Get icon validation string | |
| 15 | Read slot size | |
| 257 | Sprite Suffix (RISC OS Select compatible version) | |
Use
This call has multiple specific uses that are determined by the reason code passed via R0.
Notes
Be careful when probing for supported features – unsupported reason codes will return with all registers preserved and no error.
See also
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