Int 15/AH=12h/BH=0Ah

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TopView - SEND MESSAGE - ADDTO - SEND MAILBOX MESSAGE/STAT BY VALUE

AH = 12h
BH = 0Ah
BL = mailbox to write to
00h handle is DWORD on top of stack
02h default mailbox of task whose handle is on top of stack
03h current task's default mailbox.

STACK:
DWORD status (low byte) DWORD length of message DWORD address of message

Return:
STACK popped

Notes: The message is copied into either system or common memory. Insufficient memory normally causes the process to be aborted; under DESQview 2.2+, failed writes may return CF set instead (see AX=DE15h)

See Also: AH=12h/BH=0Bh"MAILBOX"

Category: DESQview/TopView and Quarterdeck Programs - Int 15h - T

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