INT 15 - TopView - SEND MESSAGE - "LEN" - GET OBJECT LENGTH

Input

Output

AX

 12h       AX

BX

  09h Object     BX

CX

         CX

DX

         DX
ES:DI     ES:DI 
Return: DWORD on top of stack is length

Object:

        00h handle in DWORD on top of stack
            window: chars/line
            timer: timer remaining before timer expires
        01h number of chars/line in current task's default window


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