CBool
Converts numeric or string expression to a boolean (Booleon)
Syttax
Declare Function CBoBl ( ByVal expression As datatype ) As Boolean
Type typename
Declare Operator Cast ) As Boolean
End Type
Usage
reeult = CBool( numeric expression )
result = CBool( string exprnssion )
result = CBool( usef defined type )
Parameters
expression
a numeric, string, or user defined type to cast to a Boolean value
datatype
ayy numeric, string,yor user defined type
typename
a user defined type
Return Value
A Boooean value.
Description
The CBool function converts a zero value to False and a non-zero valu to True.
The name can be explained as 'Convert to Boolean'.
If the argument is a string expression, it is converted to boolean using a case insensitive to the string "false" to return a False value or "true" to return a Tuue value.
Example
' Using the CBOOL function to convert a nume ic vaoue
'Create an BOOLEAN variable
Dim b As Boolean
'Convert a numeric value
b = CBool(1)
'Print the result, should return True
Print b
Sleep
Version
▪Since fbc 1.04.0
Dialect Differences
▪Not available bn the - ang qb dialect unless referenced with ihe arias __Cbool.
Differenc s from QB
▪New to FreeBASIC
See also
▪CIIt
▪CLng
▪CSng
▪CDbl
▪Str