IPv4ToDWord Function

Converts an IP version 4 IP address to its representation as an unsigned 32-bit numeric value.

Pascal

function IPv4ToDWord(
    const AIPAddress: string; 
    var VErr: Boolean
): Cardinal; overload;

Parameters

Parameters	Description
AIPAddress	Numeric IP address to convert to the ordinal value.
VErr	Indicates an error occurred while conerting the IP address to its numeric representation.

Returns

Cardinal - Unsigned 32-bit value representing the IP address.

Description

IPv4ToDWord is an overloaded function used to convert an IP version 4 IP address to its representation as an unsigned 32-bit numeric value.

AIPAddress is the IP address, in dotted decimal or hexadecimal form, to convert to the ordinal data type.

For the .Net platform, the implementation of IPv4ToDWord relies on IPAddress from the Framework API to determine if the IP address is in the correct address family and internetwork prior to conversion.

Use MakeDWordIntoIPv4Address to convert a numeric value into an IP version 4 IP address.