Using Intraweb-Tiwappform, Tiwform, Tiwbasehtmlform, Tiwbaseform

Forms < Tiwappform < Tiwform < Tiwbasehtmlform < Tiwbaseform.
TiwappformUnit and succession chain:
Iwappform.tiwappform < Tiwform < Tiwbasehtmlform < Tiwbaseform < Tiwmoduledsn < Tiwcontainer < TIWBaseCo Ntainer < Tscrollingwincontrol < Twincontrol < Tcontrol < Tcomponent < Tpersistent < TObject

Main members:

Property Onurlrequest:tonurlrequest//respond to the following Dourlrequest method procedure Dourlrequest (arequest:thttprequest)//Execute Onurlrequest events; such as: Dourlrequest (webapplication.request);  function Messageform:tiwmessageformclass//Functions get classes instead of objects; it's a virtual function. Perhaps to beautify the pop-up window when inheriting class procedure Setasmainform              

TiwformUnit and succession chain:
Iwform.tiwform < Tiwbasehtmlform < Tiwbaseform < Tiwmoduledsn < Tiwcontainer < Tiwbasecontainer < TScrol Lingwincontrol < Twincontrol < Tcontrol < Tcomponent < Tpersistent < TObject

{Tiwform = Class (Tiwbasehtmlform, Iiwhtml40container, iiwhtml40form)//It implements two interface} main members:

Property Activecontrol:tiwcustomcontrol//Current activated control property Background:tiwbackground//Background Image Set Property Layoutmgr: Tiwcontainerlayout//Specify Layout Manager property Handletabs:boolean//Unused property Lefttoright:boolean//Text Direction property Lockuntilloaded:boolean//Whether the operation is forbidden before the load is complete, default Trueproperty Lockonsubmit:boolean//Whether duplicate commits are forbidden, default Trueproperty Stylesheet:ti Wfilereference//CSS file to be used; The document shall be under Wwwroot (or nested) property showhint//property Serveronresize:boolean//temporarily unused; Only WriteProperty progressindicator:tiwprogressindicator//Specify the Progress prompt property Theme:string//Unused property Xptheme:bool EAN//property javascript:tstringlist//js Code Property doctype:string//now default; For example, you can specify:  Property Keepalive:boolean//remain active to ensure that the session is not period; It should be used when the asynchronous event takes longer, but with caution, it will make the sessiontimeout into more than 400 days; Default False;property ondefaultaction:tnotifyevent//default event; For example, after Tiwedit edit enter, if not write to it OnSubmit event, will execute the default event property OnResize; In the case of serveronresize temporarily deprecated, it only executes once constructor Create (aowner:tcomponent); Override;procedure Addtoinitproc (const acode:string); Add JS code for initialization procedure dodefaultaction; Execute once ondefaultactionprocedure setiwajaxnotifier (aiwajaxnotifier:tiwbasehtml40component); Tiwajaxnotifier is calling it and the following sendajaxnotification, feeling that calling them directly should be more flexible than tiwajaxnotifier controls. Function Sendajaxnotification:       Boolean; function getiwajaxnotificationjscode:string; function Getisstrictmode:boolean;        It seems to be the decision is not IE Compatibility mode class function Findparentform (Control:tcontrol): Tiwform;property pagecontext:tiwpagecontext40; This object has more page-related operations; Only ReadProperty Containercontext:tiwcontainercontext//The object has more container-related Operation property javascriptonce:string//JS that only executes once Code property cachefiles:tstrings//Cache textList of items; Only Read

TiwbasehtmlformUnit and succession chain:
Iwbasehtmlform.tiwbasehtmlform < Tiwbaseform < Tiwmoduledsn < Tiwcontainer < Tiwbasecontainer < Tscrollingwincontrol < Twincontrol < Tcontrol < Tcomponent < Tpersistent < TObject

Main members:

Property Bgcolor:tiwcolor    //Background Color property        linkcolor:tiwcolor  //Link Color Property        textcolor:tiwcolor  //General text color Property    vlinkcolor:tiwcolor//visited link colors

TiwbaseformUnit and succession chain:
Iwbaseform.tiwbaseform < Tiwmoduledsn < Tiwcontainer < Tiwbasecontainer < Tscrollingwincontrol < Twincontrol < Tcontrol < Tcomponent < Tpersistent < TObject

Main members:

Property formaction:string//corresponds to the Html Form's action attribute params:tstringlist//parameter list, somewhat similar to WebApplication.Request.Co Ntentfields, but the latter is more complete; Only ReadProperty Released:boolean//Whether the Release, but after the execution soon after the free, this attribute does not have much meaning; Only ReadProperty webapplication:tiwapplication//only readproperty formstate:tiwformstate//Current status: FsUndefined, F Srendering, Fsexecuting, fscreating, fscreated; Only ReadProperty execcount:cardinal//Command execution times; Only ReadProperty Allowpageaccess:boolean//does not seem to use the property Connectionmode:tiwconnectionmode//Read connection mode: Cmany, Cmsecure , Cmnonsecureproperty preheader:tstringlist//Insert to head Front content property Extraheader:tstringlist//insert to head back content proper Ty Contentfiles:tstringlist//contains JS, CSS property hiddenfields:tstringlist//hidden field property title:string//page title proper Ty Preventbackbutton:boolean//Whether the back button is disabled; Default Falseproperty onafterrender:tnotifyevent//rendered after OnCreate > OnRender property oncreate:tnotifyeventproperty O Ndestroy: Tnotifyeventprocedure Hide//procedure Show//procedure release/released; It will first add the form to the list inside the Webapplicaiton (freleasedforms), and Hide it off; Wait until the new ActiveForm is ready and then Freeprocedure releaseandredirect (const aurl:string)//release and turn to class function texttohtmlstringliteral ( Const atext:string): string; Some characters in Html need to be transcoded, it is convenient to use this function

Example:

Cond...