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Reference for unit 'Variants' (#rtl)

VarIsStr

Check if the variant is a string

Declaration

Source position: variants.pp line 83

function VarIsStr(

const V: Variant

):Boolean;

V

Variant to test

True if the value is of string type

VarIsCustom returns True if the variant V is of one of the string types: varOleStr, varUString, varString

VarIsEmpty		Check if the variant is empty
VarIsNull		Check if a variant is null
VarIsCustom		Check if the variant is a custom value.
VarIsOrdinal		Check if the variant is an ordinal value.
VarIsFloat		Check if the variant is a floating-point value.
VarIsBool		Check if the variant is a boolean