=> R0 = pointer to standard SWI error block
R1 = flags
R2 = pointer to application name (or title if bit 4 set), or 0 for simply 'Error'
R3 = sprite name (if bit 8 set)
R4 = sprite area (if bit 8 set)
R5 = pointer to extra buttons string (if bit 8 set)
<= R1 = 0 if nothing selected, 1 if OK selected and 2 if Cancel, 3-6 if extra buttons
Return gives default, Escape the alternate
R0 corrupt
This SWI opens a standard, non-multitasking, errorbox on the screen. Avoid, if possible. It is boring and, as stated above, non-multitasking. However, the RISC OS 3.50 extensions make the use of error boxes much more appealing to the programmer.
See PRM 3, page 179.
Wimp_ReportError extra buttons string
· The list of buttons is comma seperated
· Limit of buttons is 4 (3.98-), or 8 (4.00+)
· Buffer size is 64 (3.98-) or 256 (4.00+) characters.
[sh-index] Back to list of manuals
|
| |
