Virtual Devices (3.1) (vdag31qh.hlp) (Table of Contents; Topic list)
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VKD_Peek_Msg_Key
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include vkd.inc
 
VxDcall VKD_Peek_Msg_Key
 
The VKD_Peek_Msg_Key service returns the next available key from the special
message mode input buffer without removing it from the buffer. If no key is
available, the zero flag is set.
 
Parameter  Description
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EBX        Specifies virtual machine handle
 
Return Value
 
The zero flag is clear if a key is read. The AL register contains the scan
code and the AH register contains a combination of the following modifier
flag values:
 
Value        Meaning
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MK_Shift     A shift key is down
 
MK_Ctrl      A control key is down
 
MK_Alt       An ALT key is down
 
MK_Extended  The key is an extended key
 
The zero flag is set if no key is available.
 
Uses
 
EAX, Flags
 
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