Declaration |
long meiPlatformKey(MPIWait wait)
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Description |
PlatformKey returns an input
character (typically a keystroke) if an input character is available.
If an input charater is not available, PlatformKey waits
wait milliseconds for an input character to become
available.
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If "wait" is |
Then |
MPIWaitFOREVER (-1) |
PlatformKey will wait for an input
character forever |
MPIWaitPOLL (0) |
PlatformKey will return immediately
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a value (not -1 or 0) |
PlatformKey will wait for an input
character for wait milliseconds |
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Return Values |
-1
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if no input character was
available |
0
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PlatformKey has
read a non-zero character (typically a function key or other non-ASCII
value), and meiPlatformKey(...) should be called AGAIN immediately
to receive that non-zero character |
a value (not -1 or 0) (an ASCII character)
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(typically a keystroke)
if an input character is available |
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