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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.
EBX
Specifies virtual machine handle
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 |
| MK_Alt | An ALT key is down. |
| MK_Ctrl | A CTRL key is down. |
| MK_Extended | The key is an extended key. |
| MK_Shift | A SHIFT key is down. |
The zero flag is set if no key is available.
EAX, Flags