Specifies the interval between checks for an IP address change.
property WatchInterval: Cardinal;
Description
WatchInterval is a Cardinal property used to determine the time, in milliseconds, between firing of the timer used by TIdIPWatch. The default value for WatchInterval is IP_WATCH_INTERVAL.
When WatchInterval is changed, the Interval property for the internal TIdIPWatchThread instance is updated to contain the same value.