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VS_ValKeys() VALID clause to test if key is in a list
Description:
VS_ValKeys() allows the programmer to see if key is in a list of valid
keys.
Syntax:
l_Valid = VS_ValKeys( c_Key, c_KeyList, [@l_EatKeys] )
Pass:
c_Key is a character expression containing the key to search for.
c_KeyList is a character expression containing the list of valid
keys.
l_Eating is an optional logical expression that can be used in
place of VS_EatKeys()
Return:
l_Valid is a logical expression that will be set to .T. if
c_Key is found to be in c_KeyList, otherwise it will be .F.
Notes:
Example:
c_Key = " "
@ 5,5 SAY "Type A, B, C or D: " GET c_Key VALID
VS_ValKeys(c_Key,"ABCD")
READ
Usage:
See Also:
VS_EatKeys()
VS_NoOther()
VS_NotNeg()
VS_NotPos()
VS_NotZero()
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