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    VarIsClear

    Check if a variant is clear.

    Declaration

    Source position: variants.pp line 84

    function VarIsClear(const V: Variant) : Boolean;

    Description

    VarIsClear returns True if the variant V is empty, or it is a dispatch type with value Nil. For custom types, the decision is left to the custom type.

    See also

    Name Description
    VarIsEmpty Check if the variant is empty.
    VarIsNull Check if a variant is null.
    VarIsNumeric Check if the variant is a numerical value.
    VarIsStr Check if the variant is a string.