EF.VariantUtils

Variant-related utility routines.

Routines

function EFVarToStr(const AVariant: Variant): string;

Converts AVariant to a string, returning '' for null/empty variants.

function EFVarToDateTime(const AVariant: Variant): TDateTime;

Converts AVariant to a TDateTime, returning 0 for null/empty variants.

function EFVarToInt(const AVariant: Variant): Integer;

Converts AVariant to an Integer, returning 0 for null/empty variants.

function EFVarIsEmpty(const AVariant: Variant): Boolean;

Check if a Variant value is an Empty Value

function EFVarIsEmptyString(const AVariant: Variant): Boolean;

Check if a Variant value is an Empty String

function EFVarToBoolean(const AVariant: Variant): Boolean;

Converts AVariant to a Boolean, returning False for null/empty variants.

function EFVarToFloat(const AVariant: Variant): Double;

Converts AVariant to a Double, returning 0 for null/empty variants.

function EFVarToCurrency(const AVariant: Variant): Currency;

Converts AVariant to a Currency, returning 0 for null/empty variants.

function IsRange(const AFrom, ATo: Variant): Boolean;

Returns True if ATo is greater than or equal to AFrom, and False otherwise. If one or both values are not Null, the function returns True.