RAD Studio VCL Reference
SysUtils.StrToInt64Def Function

Converts a string that represents an integer (decimal or hex notation) to a number.

function StrToInt64Def(const S: string; const Default: Int64): Int64; overload;
Int64 StrToInt64Def(const AnsiString S, const Int64 Default);

StrToInt64Def converts the string S, which represents an integer-type number in either decimal or hexadecimal notation, into a number. If S does not represent a valid number, StrToInt64Def returns the number passed in Default. 


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