function IntToHex(Value: Integer; Digits: Integer): string; overload; function IntToHex(Value: Int64; Digits: Integer): string; overload;IntToHex converts a number into a string containing the number's hexadecimal (base 16) representation. Value is the number to convert. Digits indicates the minimum number of hexadecimal digits to return.
function IntToHex(Value: Int64; Digits: Integer): string; overload;IntToHex converts a number into a string containing the number's hexadecimal (base 16) representation. Value is the number to convert. Digits indicates the minimum number of hexadecimal digits to return.
IntToHex(Edit1.Text[i],4)?
Edit1.Text[i]:string;?