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Wimp_Extend (stack information)
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» Part 7 - The Desktop
» The Window Manager
» SWI Calls
» Wimp_Extend
» Wimp_Extend (stack information)
Wimp_Extend (stack information)
(SWI &400FB)
| Entry | ||
|---|---|---|
| R0 | Reason Code | |
| 6 | Return handle of parent window | |
| 7 | Return handle of top child window | |
| 8 | Return handle of bottom child window | |
| 9 | Return handle of sibling window immediately above | |
| 10 | Return handle of sibling window immediately below | |
| R1 | Window handle, or -1 for top level | |
| Exit | |
|---|---|
| R1 | Next window handle, or -1 for none |
Use
This call with a reason code of 6 to 10, returns the handle of a window relative to the window specified in R1 (if provided)
Notes
A returned value of -1 means one of the following:
- ‘no window’
- R1 was -1 on entry and R0 was not 7 or 8
Pane windows are not skipped when using this call.