Unit 'HTTPDefs' Package
[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] [#fcl]

THTTPHeader.IfModifiedSince

If-Modified-Since header field value

Declaration

Source position: httpdefs.pp line 423

public property THTTPHeader.IfModifiedSince : string
  index Ord(hhIfModifiedSince)
  read GetHeaderValue
  write SetHeaderValue;

Description

IfModifiedSince contains the If-Modified-Since header field value, which allows conditional requests. The server will only return the resource if it has been modified since the specified date.


Documentation generated on: Jan 16 2026