happens. The winBanco TitleWindow is defined as part of your
application, but you are also instantiating it as a popup window.
This is probably not what you want. If you want winBanco to be a
draggable popup window, move the definition to a separate mxml file
and reference the filename, minus the extension, in the PopUpManager
calls.
--- In [email protected], Misael <[EMAIL PROTECTED]> wrote:
>
> Can someone tell me why this code keeps throwing an error? It says:
>
> TypeError: Error #1009: null has no properties.
> > at mx.containers.utilityClasses::CanvasLayout/measure()
> > at mx.core::Application/mx.core:Application::measure()
> > at mx.core::UIComponent/::measureSizes()
> > at mx.core::UIComponent/validateSize()
> > at mx.core::Container/validateSize()
> > at mx.managers::LayoutManager/validateSize()
> > at mx.managers::LayoutManager/::doPhasedInstantiation()
> > at mx.core::UIComponent/::callLaterDispatcher2()
> > at mx.core::UIComponent/::callLaterDispatcher()
>
>
> In fact, it happens only on the first time i show the window,
otherwise it
> works fine.
> I´m experiencing such errors in other places too, such as on
another window
> with an accordeon, and many input field on its children, but like
this
> problem above, when i try to set the value of those fields only
those in the
> first container of the accordeon are writable. The rest, only if i
close the
> window and open it again. How to deal with this?
> Thanks in advance!
>
>
>
> <?xml version="1.0" encoding="utf-8"?>
> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" xmlns="*"
> layout="absolute">
> <mx:Script><![CDATA[
>
>
> import mx.managers.PopUpManager;
>
>
> private function showWindow(winObj:TitleWindow):void
> {
> PopUpManager.addPopUp(winObj,this , true);
> PopUpManager.centerPopUp(winObj);
> winObj.visible = true;
> }
>
> private function closeWin(winObj:TitleWindow):void
> {
> PopUpManager.removePopUp(winObj);
> winObj.visible = false;
> }
>
>
>
> private function formBanco():void
> {
>
>
> xBancoCodigo.text='';
> xBancoNome.text='';
> xBancoObs.text='';
> showWindow(winBanco);
> }
>
> ]]>
> </mx:Script>
>
>
> <mx:Accordion width="150" y="50" left="22" height="150"
> historyManagementEnabled="false">
> <mx:Canvas label="Bancos" width="100%" height="80">
> <mx:LinkButton x="10" y="10" label="Novo banco"
> click="formBanco();"/>
> </mx:Canvas>
> </mx:Accordion>
>
> <mx:TitleWindow showCloseButton="true" close="closeWin
(winBanco);"
> creationPolicy="auto" id="winBanco" visible="false" x="201" y="125"
> layout="absolute" width="359" height="261" title="Novo banco">
> <mx:Label x="10" y="10" text="Código:"/>
> <mx:TextInput id="xBancoCodigo" x="75" y="8" width="225"/>
> <mx:Label x="10" y="40" text="Nome:"/>
> <mx:TextInput id="xBancoNome" x="75" y="38" width="225"/>
> <mx:Label x="10" y="68" text="Descrição"/>
> <mx:TextArea x="75" y="68" width="225" height="88"
id="xBancoObs"/>
> <mx:Label x="54" y="10" text="*" color="#ff0000"/>
> <mx:Label x="81" y="164" text="* Campos obrigatórios"
> color="#ff0000" id="lblObFieldsBanco"/>
> <mx:Label x="48" y="40" text="*" color="#ff0000"/>
> <mx:Button x="185" y="189" label="Enviar" id="subBtnBanco"
> enabled="false"/>
> <mx:Button x="254" y="189" label="Cancelar"
id="closeBtnBanco"
> click="closeWin(winBanco);"/>
> </mx:TitleWindow>
>
>
> </mx:Application>
>
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