Shouldn't all methods pertaining to an object be defined inside that class?

I am trying to understand if I am missing something basic java-wise (I come from other oop environments) or am I facing an ide-style/problem, or maybe I HAVE NO problem.
The way I always had it, was to place all code (functions/procedures/properties) INSIDE the class that it was meant for. But jDev does not do this, and again maybe its Java I'm up against, but then maybe not. Here is a clear example of what I mean. (All SWING.)
On a new jFrame, define a container, and inside the container a jComboBox and a jtextfield. The objective is to ADD ITEMS to the combobox, then upon a trigger event, specifically item_changed (when the user chooses an option from the item list), display a message to the jTextfield. (This differs from the tutorial sample requiring a button.) The purpose of jPanel is to tie the combobox and textfield via delegation. Ultimately we want an extended jPanel that I can (drag and drop) import into any project and drop it onto any jframe.
We have two distinct custom-operations/extensions, 1) is to add_items, and 2) is to talk to another object to display text. First the add_items; ideally I should be able to (if I want to) add_items inside an extended jCombobox and reuse it. Why put the add_items on the jFrame??? jFrame has NOTHING to do here with my little extended-jPanel. I SHOULD be able to choose if to put it into the extended jPanel, as well. (Since this jPanel is built with the purpose of serving a micro-framework for the two objects it contains.)
Similarly with 2, display the text message. I should be able to define the trigger event message to send upon item_change inside the jComboBox class. jPanel would then receive the message via delegation and take care of sending the message to jTextfield, also preferably to an extended jTextfield. But AT THE LEAST, all methods/properties should be within the extended jPanel. (Again, which I want to simply import and reuse.) Why does the ide put this code at the jFrame level? (By the way, if I copy/paste this jPanel, the ide does NOT add the appropriate imports (for the events) to the target jFrame, and neither does it copy the methods that are triggered. This seems like a bug, but I couldn't care less if I can accomplish what I described here.)
Having said all this I am ready (and hoping) for an answer that I am missing something basic in Java.
Thank you all
-Nat

In fact, you don't even need the jbInit() method if you're just using the component as a bean in other components.Cool.
For the component to display properly in the UI editor, it should be a descendent of Component.ok. Does this mean that you can have a component (if not extending jComponent) that does not display properly in the ui editor, and still be properly maintained by the ide? That would be very nice, as long as the ui editor displays a mnemonic/icon instead of that component. I don't [always] NEED the
cutsy picture displayed, but I DO need to know that a component so-and-so is located 'here'.
AS a matter of a fact, I would love to have a pseudo-ui mode in jDev where you can build/maintain a frame with panels and icons representing components, where you can visualize the hierarchy, change the layout via drag-drop of the icons, and drill down. I have a gut feeling that people would use this mode more than the full ui mode we have now. Also, performance wise, jDev would be happier. This view allows one to get a clear wide-angle 'picture' of the layout (and delegation paths) of the classes. Coupled with 'drill down' to allow inserting/maintaining components within others, you have a winner!
Wadda you think? Am I nuts or something?
Come to think of it, it should not be tough for the jDev team to do this, since jDev is already doing something much more complex in the ui_editor. Instead of drawing pictures, when a bean is dropped, simply leave the icon as-is. 9.0.3??<g>
WE developers know that sometimes you can add tremendous functionality (especially from a marketing point of view) to a system, with minimal amount of work.
Sheesh, I forgot what put soapbox mode 'on'. I still would like to know how jDev would currently treat a bean that is not a sub-classed jComponent.
Thanks
-Nat

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TypeError: Error #1009: Cannot access a property or method of a null object reference.

Hi all,
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Hi again,
Thank you for helping. I really appreciate it! Would it be easier to say, if resumescrollMC exists, then execute these functions? I was not able to figure out the null statement from your post. Here is what I am trying (though I am not sure it is possible). I declared the var resumescrollMC, and then I tried to put pretty much the entire code into an if (resumescrollMC == true) since this code only needs to be completed when resumescrollMC is on the stage. It is not working the way I have tried, but I am assuming I am setting up the code incorrectly. Or, an if statement is not supposed to be issued to an object:
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var RESUME_HEIGHT:Number = 450;
var resumescrollMC:MovieClip;
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var oldResumeY:Number = myResumecontent.y;
//Position the content on the top left corner of the mask
myResumecontent.x = myResume.x;
myResumecontent.y = myResume.y;
//Set the mask to our content
myResumecontent.mask = myResume;
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var Resumebounds:Rectangle = new Rectangle(resumescrollMC.x,resumescrollMC.y,0,450);
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Problem with seting action method to a Hyperlink object

Hi there,
as the subject says, I have a problem wih setting the action method of a Hyperlink object. Here is how the program is organized:
I have an external bean which generates an ArrayList of Hyperlink objects. In the backing bean of my web page I call a method from the above mentioned external bean to generate the list of hyperlink objects. After that in the page bean I insert the hyperlink objects in GridPanel component. So far everything works fine, but the action method of the Hyperlink objects is not called and I can't understant why.
Here is how I add the objects to the GridPanel component:
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An interesting fact is that if I manually drag-n-drop a hyperlink object to my page and programatically set its action method with the code above everything works fine. But using the same code for the dynamically generated hyperlink objects inserted in the grid panel doesn't work.
Any kind of help is highly appreciated.
Thanks!
Message was edited by:
panayot

I got this use case to work as follows:
1. Drag a Grid Panel and set its columns property to 1.
2. Drag a Message Group.
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     at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:3201)
     at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer.encodeCenterFacet(PanelStretchLayoutRenderer.java:879)
     at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer._encodeCenterPane(PanelStretchLayoutRenderer.java:1294)
     at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer._encodeMiddlePanes(PanelStretchLayoutRenderer.java:351)
     at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer.encodeAll(PanelStretchLayoutRenderer.java:316)
     at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1452)
     at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:923)
     at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1659)
     at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:624)
     at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:3201)
     at org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:641)
     at oracle.adf.view.rich.render.RichRenderer.encodeAllChildrenInContext(RichRenderer.java:3062)
     at oracle.adfinternal.view.faces.renderkit.rich.FormRenderer.encodeAll(FormRenderer.java:274)
     at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1452)
     at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:923)
     at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1659)
     at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:624)
     at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:3201)
     at org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:641)
     at oracle.adf.view.rich.render.RichRenderer.encodeAllChildrenInContext(RichRenderer.java:3062)
     at oracle.adfinternal.view.faces.renderkit.rich.DocumentRenderer.encodeAll(DocumentRenderer.java:1277)
     at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1452)
     at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:923)
     at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1659)
     at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1655)
     at oracle.adfinternal.view.faces.component.AdfViewRoot.encodeAll(AdfViewRoot.java:91)
     at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:399)
     at org.apache.myfaces.trinidadinternal.application.ViewDeclarationLanguageFactoryImpl$ChangeApplyingVDLWrapper.renderView(ViewDeclarationLanguageFactoryImpl.java:350)
     at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:131)
     at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:273)
     at org.apache.myfaces.trinidadinternal.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:165)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._renderResponse(LifecycleImpl.java:1027)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:334)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:232)
     at javax.faces.webapp.FacesServlet.service(FacesServlet.java:313)
     at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
     at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
     at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
     at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:173)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:122)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:468)
     at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:468)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:293)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:199)
     at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.adf.library.webapp.LibraryFilter.doFilter(LibraryFilter.java:180)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:111)
     at java.security.AccessController.doPrivileged(Native Method)
     at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:313)
     at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:413)
     at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:94)
     at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:161)
     at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:136)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)
     at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
     at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
     at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277)
     at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)
     at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)
     at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
     at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)
<Utils> <buildFacesMessage> ADF: Adding the following JSF error message: Cannot invoke method multiply() on null object
any help please ?

Thanks Frank ,
really i've already downloaded the ZIP of the final application , but the same error message ,
when removing the Annual salary ( Which is a new Attribute ( not DB column) Salary * 12 ) every think is fine and no more error message ,there is no null salary all the employees have a salary , my JDeveloper Version is 11.1.2.1.0
also , because of the EmpDetails is based on the query
FROM EMPLOYEES Employees, DEPARTMENTS Departments
WHERE Employees.DEPARTMENT_ID = Departments.DEPARTMENT_ID
and the Department id is non editable value , that means even if you add a new user u cant never check this user in this interface , u can check this user only on DB (SQL) level .
Edited by: 876602 on Jul 1, 2012 5:17 AM

PopUpManager.centerPopUp gives Cannot access a property or method of a null object reference

Hello all,
The PopUpManager.centerPopUp(this); in my code gives out the following error:
Main Thread (Suspended: TypeError: Error #1009: Cannot access a property or method of a null object reference.)
    mx.managers::PopUpManagerImpl/findPopupInfoByOwner
    mx.managers::PopUpManagerImpl/centerPopUp
    mx.managers::PopUpManager$/centerPopUp
    com.mycom.view::LoginView/doInit
    com.mycom.view::LoginView/___LoginView_TitleWindow1_creationComplete
    flash.events::EventDispatcher/dispatchEventFunction [no source]
    flash.events::EventDispatcher/dispatchEvent [no source]
    mx.core::UIComponent/dispatchEvent
    mx.core::UIComponent/set initialized
    mx.managers::LayoutManager/doPhasedInstantiation
    Function/http://adobe.com/AS3/2006/builtin::apply [no source]
    mx.core::UIComponent/callLaterDispatcher2
    mx.core::UIComponent/callLaterDispatcher
MyAppl.mxml
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute"
    xmlns:view="com.mycom.view.*">
    <mx:Panel id="applPanel" height="100%" width="100%" backgroundColor="#3CACCC">
        <view:LoginView />
    </mx:Panel>
</mx:Application>
LoginView.mxml
<?xml version="1.0" encoding="utf-8"?>
<mx:TitleWindow xmlns:mx="http://www.adobe.com/2006/mxml"
    layout="absolute" width="400" height="300" creationComplete="doInit()">
    <mx:Script>
        <![CDATA[
            import mx.managers.PopUpManager;
            private function doInit():void {
                PopUpManager.centerPopUp(this);
            private function login():void{
                trace("login clicked");
        ]]>
    </mx:Script>
    <mx:Form id="loginForm" defaultButton="{loginBtn}">
        <mx:HBox>
            <mx:Button id="loginBtn" label="OK" click="login()" />
        </mx:HBox>
    </mx:Form>
</mx:TitleWindow>
Somebody please help me on this.
Thanks.
roshni

Pls find your solution Below.
MyAppl.mxml
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute"
creationComplete="onCreationComplete()">
<mx:Script>
<![CDATA[
import com.mycom.view.LoginView;
import mx.core.IFlexDisplayObject;
import mx.managers.PopUpManager;
private var popUp:IFlexDisplayObject;
private function onCreationComplete():void
popUp = PopUpManager.createPopUp(this, LoginView, true);
popUp.move(((this.width/2)-(popUp.width/2)),(((this.height/2)-(popUp.height/2))));
]]>
</mx:Script>
<mx:Panel id="applPanel" height="100%" width="100%" backgroundColor="#3CACCC"/>
</mx:Application>
LoginView.mxml
<?xml version="1.0" encoding="utf-8"?>
<mx:TitleWindow xmlns:mx="http://www.adobe.com/2006/mxml"
layout="absolute" width="400" height="300">
<mx:Script>
<![CDATA[
import mx.managers.PopUpManager;
private function login():void{
trace("login clicked");
]]>
</mx:Script>
<mx:Form id="loginForm" defaultButton="{loginBtn}">
<mx:HBox>
<mx:Button id="loginBtn" label="OK" click="login()" />
</mx:HBox>
</mx:Form>
</mx:TitleWindow>
Pls let me know if you have any problem with this one code.
with Regards,
Shardul Singh Bartwal

The Ole #1009: Cannot access a property or method of a null object reference ...

To anyone that can help me I say thank you first I also say thank you to anyone else that attempts to help. I am sure this will be an easy one for most of you but I am completely stumped. I am a newbee to AS.
I have a movie that has navigation butttons and they all work find. On a scene in the movie I have an image that grows grows from alpha 0 to 100%. When you Mouse_Over the alpha drops to -.6 and when you Mouse_Out it goes back to 1. I have this in frame 1 and this scene takes place between frames 115 and 166. When I execute a Mouse.Click on the movieClip (contact_us_gel) I am moved to the emailScene. The bad news is when I click the movieClip I get the below. I change the movieClip to be on the stage for entire movie from frame 1 to 166 in hopes to loose this error. As you can tell that didn't work. Below is the AS code that I have written. I use this same code for my navigation buttons and I have no issues. I have officially had my butt kicked by this one.
I have tried removing the eventListner and that just really messes me up until I go to the homeScene (frame 1) and add the event listner back for he contact_us_gel.
The Trace & Error from the outPut.....
Frame on Gel MouseOut 228 <<-- Trace statement when I click the gel / This is also where the email scene stars
TypeError: Error #1009: Cannot access a property or method of a null object reference.
    at barnumRealtyGroup_fla::MainTimeline/outCUG()[barnumRealtyGroup_fla.MainTimeline::frame1:1 31]
The code
//-- ContactUsGel --\\
contact_us_gel.addEventListener(MouseEvent.MOUSE_OVER,rolloverCUG);
contact_us_gel.addEventListener(MouseEvent.MOUSE_OUT,outCUG);
contact_us_gel.addEventListener(MouseEvent.CLICK,playHomeSceneCUG);
function rolloverCUG(event:MouseEvent):void{
contact_us_gel.alpha -= 0.6
function outCUG(evnt:MouseEvent):void{
    trace("Frame on Gel MouseOut "+this.currentFrame);
    contact_us_gel.alpha = 1; //this is where I am dying.... This is frame1:Line131
function playHomeSceneCUG(event:MouseEvent):void{
    trace("Frame on Gel Going to Email "+this.currentFrame);
    gotoAndPlay("emailScene");
Thank you in advance...

I follow you and something that I failed to mention is that this is happening only when I execute a MouseEvent.Click on contact_us_gel. While looking at this after my post and testing what is happening is outCUG() is called during the MouseEvent.Click which calls playHomeSceneCUG() << takes me to emailScene. That is what is killing me I have not found a proper way to isolate that MouseEvent.Click and not allow it to call outCUG(). I know you are the GURU but did I confuse you.

Error: "Cannot access a property or method of a null object reference"

I am getting the following action script error when I try to play my exported .swf in flash player 9. If I hit "continue" or "dismiss all" it plays the file fine. Is there a way to fix or at least supress this error message?
Action Script Error:
TypeError: Error #1009: Cannot access a property or method of a null object reference.
     at mx.managers::LayoutManager/set usePhasedInstantiation()
     at mx.core::Application()
     at template3427435882-34461-4573-128-41-612353629238248()
     at _template_mx_managers_SystemManager3427435882-34461-4573-128-41-612353629238248/create()
     at mx.managers::SystemManager/initializeTopLevelWindow()
     at mx.managers::SystemManager/docFrameHandler()

Hi Owen,
it looks like you have debug version of flash player installed. If you uninstall it through Control Panel and install regular (release) version from Adobe website, the message should go away.
Margaret

Error calling method of a PBNI object

Dear All,
We are facing issue of "Error calling method of a PBNI object". We are calling web services of WCF after some time to refresh data.We need help to solve this issue as we have to go live with client.
It's really urgent!
Regards
Imran Zaheer

Hi Chris,
Thanks for your concern.
1) PB version & Build?
     PB builder 12.5.2 build 5609
2) MS-Window version?
     Windows 7 professional.
3) Why are you using PBNI and what kind of class are you utilizing in that context?
     We are calling webservices through soap objects.
4) What error(s) codes and messages are you getting?
    we get "Error calling method of a PBNI object"
5) Why are you not using PB.net that supports WCF natively (I wish PB classic did)?
    For this we need to convert our whole application in PB.Net which is not feasible for us.
6) Can you lightly describe your over-all architecture and application approach to Web Services?
     We have replace EASERVER with WCFserver and we are calling webservices for fetching( pulling) data from WCF server. It's a soft of 3 tier architecture.
Regards .... Imran

All methods to read xmp metadata are not listed and described in documentation

hi
i have checked xapdumper example. it uses many methods which are not listed in documentation.
also it is not able to read metadata from pdf files.
can anyone tell me that what should i do to read metadata.
i-e a brief explanation of steps i should follow to read metadata from a pdf file.
thanks

I have found that the XMP data of an InDesign document can be retrieved in actionscript as follows:
InDesign.app.activeDocument.metadataPreferences
This returns the MetadataPreference object.
But I am not able to iterate each namespace in the xmp. There isn't any XMPFile class which allows me to serialize the object to xml file so that I can iterate all elements in the XMP.
I could not relate class like XMPMeta, XMPProp, etc. with the MetaDataPreference class. So, how to obtain the entire xmp packet from the MetadataPreference object?
Can anyone shed light on this?

Calling methods from the Business Object BUS2032

Hi all,
Is it possible to call methods from the Business Object BUS2032.
If so, how can it be done??
Regards,

Hi Marv,
you sure can. Here is an extract from the SAP Help. I found it at http://help.sap.com/saphelp_46c/helpdata/en/c5/e4ad71453d11d189430000e829fbbd/frameset.htm
<b>Programmed Method Call</b>
Call (fictitious) method Print of object type VBAK (sales document). The method receives the parameters Paperformat and Printertype as input.
* Call method Print of object type VBAK
* Data declarations
DATA: VBAK_REF TYPE SWC_OBJECT.
SWC_CONTAINER CONTAINER.
* Create object reference to sales document
SWC_CREATE_OBJECT VBAK_REF 'VBAK' <KeySalesDoc>
* Fill input parameters
SWC_CREATE_CONTAINER CONTAINER.
SWC_SET_ELEMENT CONTAINER 'Paperformat' 'A4'.
SWC_SET_ELEMENT CONTAINER 'Printertype' 'Lineprinter'.
* Call Print method
SWC_CALL_METHOD VBAK_REF 'Print' CONTAINER.
* Error handling
IF SY-SUBRC NE 0.
ENDIF.
Cheers
Graham

Multiple static synchronized methods locking the same object ?

If I have multiple static synchronized methods in a class will all the methods lock on the same (Class) object ? I guess the answer to this would be yes. In that case is it possible achieve synchronization without an object ie code level synchronization ? If yes, how ?

If I have multiple static synchronized methods in a
class will all the methods lock on the same (Class)
object ? I guess the answer to this would be yes. In
that case is it possible achieve synchronization
without an object ie code level synchronization ? If
yes, how ?There is nothing special about static synchronized methods vs. any other synchronization. It's just shorthand for syncing on the Class object for that class. The effects of synchronization are identical no matter what you sync on.
There's no way to achieve synchronization without an object. Synchronizing always obtains an object's lock. In the case of static synced methods, the object whose lock we obtain is the Class object for that class. As far as syncing goes, it's just another object.
There is no such thing as "code level synchronization" vs. any other kind. All syncing occurs in your Java code over blocks of code. For synced methods, those blocks are the entire respective method bodies.
Having said all that, I have no idea what you're really after or what you're trying to achieve.

Default Cannot access a property or method of a null object reference.

Evenin' all.
I've got a problem with a flash application I'm creating. I have put an FLV movie in frame 10 of a scene, but whenever I test the movie it just says:
[CODE]TypeError: Error #1009: Cannot access a property or method of a null object reference.
    at Prototype_fla::MainTimeline/__setProp_commentsPlayer_Variables_Content_0()
    at Prototype_fla::MainTimeline/frame1()[/CODE]
Variables is the name of the scene, commentsPlayer being the name of the FLV player. What is causing this to happen? I have tested the video on its own in a new file and it works fine :confused:
I also get the same problem with buttons in different frames/scenes.
I'm relatively new to Flash so it's probably something pretty small but vital.

Ignore the 'Default' bit at the start of the question, that's just a typo.
I'm using Flash CS4/AS 3.0, the Flash movie is split up into scenes, I've added an FLVPlayback component to the stage in frame 10 (keyframe) in one of the scenes (not the first scene) and specified the source and other component settings using the component inspector. I'm not using ActionScript for this currently.
The problem occurs when I try to test the movie, it throws up this output when compiling:
TypeError: Error #1009: Cannot access a property or method of a null object reference.
     at Prototype_fla::MainTimeline/__setProp_commentsPlayer_Variables_Content_0()
     at Prototype_fla::MainTimeline/frame1()
The FLVPlayback is obviously 'commentsPlayer' in scene 'Variables'.

Using VI server from DIAdem script :: Syntax (documentation) for properties and methods of VI Server objects (for non-labview programmers)

Hello all,
I am using DIAdem 10.0 Advanced, LabVIEW 8.0 PDS. I would like to start a LabVIEW IHM from a VBS script. I use VI Server to call my VI from DIAdem.
Here is the script and the VI I use (VI attached):
Dim lvapp, vi, viPath, paramName(1), paramVal(1)
Set lvapp = CreateObject("LabVIEW.Application")
viPath = "C:\TEST\test.vi"
Set vi = lvapp.GetVIReference(viPath)
vi.FPWinOpen = True
paramName(0) = "Input"
paramVal(0) = 10
paramName(1) = "Output"
paramVal(1) = 0
Call vi.Call(paramName, paramVal)
Call lvapp.Quit()
I found a similar example on your web site.
Question 1:
I need to know the syntax for all the other properties and methods of a VI object (method like Get or Set Control Value for example).
Is a documentation (other than the LabVIEW help which is dedicated for LV programmers) exist in order to be able to use all the features of VI Server from another environment (CVI, VB, ...)?
Question 2:
Is it possible to call a VI with VI Server with the parameter "Wait until done" to FALSE? (run a VI asynchronuously from DIAdem)
Thanks for your answer.
MatthieuG
Eurilogic
Attachments:
Test.vi ‏9 KB

Hello,
I finally found a way to get the documentation of VI Server. I can view the "LabVIEW.TLB" type library file with a OLE/COM Object Viewer (a utility from the Windows SDK).

Shouldn't all methods pertaining to an object be defined inside that class?

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