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Return Value
int : integer type
This typeThis function returns true (ST_OK=0) if it is able to find the module selected by CardNumber. If unable to do so, it returns false (ST_ERROR=1).
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int : integer type
This typeThis function returns true (ST_OK=0) if it is able to find the module selected by CardNumber. If unable to do so, it returns false (ST_ERROR=1).
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