Actual Results: runtime error occured TypeError: Error #1009: Cannot access a property or method of a null object reference. As an example. at mx.controls::AdvancedDataGrid/findHeaderRenderer() [/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/advancedgrids/src/mx/controls/AdvancedDataGrid.as:5876] at mx.controls::AdvancedDataGridBaseEx/mouseEventToItemRenderer() [/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/advancedgrids/src/mx/controls/AdvancedDataGridBaseEx.as:2690] at mx.controls::AdvancedDataGrid/mouseEventToItemRenderer() [/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/advancedgrids/src/mx/controls/AdvancedDataGrid.as:2148] at mx.controls::AdvancedDataGrid/mouseOverHandler() [/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/advancedgrids/src/mx/controls/AdvancedDataGrid.as:8426] Can anyone else reproduce this error? Verify it's on the display list (parent is not null) then remove the object from it's parent directly. more info here
Show Cyrill Zadra added a comment - 28/Jul/13 13:59 Commited your fix - Mustella Tests for AdvancedDataGrid passed. Tweets Just released the first @invoiceninja SDK github.com/invoiceninja/s… Creating an invoice in PHP has never been easier!! 1weekago UX can be a thankless job, when you get it right it's hard Typically, you’ll see something like the following: myArray: [...stuff in the array...] someSprite: [object Sprite] someSprite.stage: null Error #1009: ...
Coding standard for clarity: comment every line of code? (x)patch a command the name of which is in another macro social network graph problem EmDrive compared to flashlight in space How If there is a circumstance where it is known that an object may or may not exist, then you would first need to check to see if the object being used I hope you are enlightened a bit about how Error 1009 occurs, and how you can debug it. Send to Email Address Your Name Your Email Address Cancel Post was not sent - check your email addresses!
Arguments may be passed into a function to satisfy these parameter values or they can be omitted at which point the default values will be used. Cannot Access A Property Or Method Of A Null Object Reference As3 Like Show 0 Likes(0) Actions 2. Note that this behavior is new to ActionScript 3.0. https://hillelcoren.com/2008/09/19/flex-error-1009-cannot-access-a-property-or-method-of-a-null-object-reference/ at com.example.programmingas3.fileio::FileDownload/init()[C:\Users\m1011995\Documents\Flex Builder 3\filedwnld\src\com\example\programmingas3\fileio\FileDownload.as:34] at FileIO/__fileDownload_creationComplete()[C:\Users\m1011995\Documents\Flex Builder 3\filedwnld\src\FileIO.mxml:11] at flash.events::EventDispatcher/dispatchEventFunction() at flash.events::EventDispatcher/dispatchEvent() at mx.core::UIComponent/dispatchEvent()[C:\autobuild\3.2.0\frameworks\projects\framework\src\mx\core\UIComponent.as:9298] at mx.core::UIComponent/set initialized()[C:\autobuild\3.2.0\frameworks\projects\framework\src\mx\core\UIComponent.as:1169] at mx.managers::LayoutManager/doPhasedInstantiation()[C:\autobuild\3.2.0\frameworks\projects\framework\src\mx\managers\LayoutManager.as:718] at Function/http://adobe.com/AS3/2006/builtin::apply() at mx.core::UIComponent/callLaterDispatcher2()[C:\autobuild\3.2.0\frameworks\projects\framework\src\mx\core\UIComponent.as:8628] at mx.core::UIComponent/callLaterDispatcher()[C:\autobuild\3.2.0\frameworks\projects\framework\src\mx\core\UIComponent.as:8568] Reply Hillel says : June 1,
As a workaround, I was able to override findHeaderRenderer in a derived class and include the code to continue if headerItem is null. That is something you will have to identify and fix. The code which changes the button label will execute much quicker that the change will be displayed on screen. Do you see the whateverthewidgetnameis.swf in your bin-debug folder?Like • Show 0 Likes0 Actions albertda Nov 14, 2012 8:20 AMMark CorrectCorrect AnswerYes I do.
There is one specific situation, however, that crops up again and again. https://geonet.esri.com/thread/63054 You wouldn’t like it either; imagine you had a glass that you assumed was full of the tasty beverage of your choice, but really was empty. Error #1009: Cannot Access A Property Or Method Of A Null Object Reference. This is useful because often things which happen prior to the actual error you see will contribute to said error. Is it required to use brackets inside an integral?
I tried importing his entire project into my Flash Builder and compiled and still have the same problem. have a peek at these guys What are points, builds, and stats? Anyway sorry for cluttering up the board. If you are in a situation where you need to set a variable in this manner, you have a couple of options.
Here is a post of some relavent code snippets. Most classes, however, are not dynamic and limited to use only those variables which are part of their class's definition. Show Cyrill Zadra added a comment - 27/Jul/13 10:37 I can give it a try.. http://bigvideogamereviewer.com/error-1009/flex-3-typeerror-error-1009.html Second: The null object reference is occurring because something in your init() function tried to access a property in an object that doesn't exist, or an object that doesn't exist.
LucasAlex Mar 11, 2013 8:25 AM (in response to Mert AKINCI) You can just use Array instead of Vector.
Is it mandatory to define transitions on every possible alphabet in Deterministic Finite Automata? var myComp:MyComp = new MyComp(); addChild( myComp ); myComp.button.label = "Button Label"; As you can see we've simply swapped lines 2 and 3. oneRealEstate.setData(realEstate); } Reply Hillel says : November 17, 2011 at 5:02 pm Great, happy to hear you got it working! this content Step 5: Dealing with a null stage There are probably an infinite number of scenarios where a given variable or property could be null.
If not, we’ll dig a little deeper in the next step. Re: Cannot access a property or method of a null object reference. To do so, see the general debugging tips article, “Fixing Bugs in AS3” Sometimes this is enough. I can not understand how a vector that i created at the top can be null after everything is loaded.
Also available, Compiler Errors. The current develop branch does not cause the RTE. right now i have cancel(); but I'm sure I need to reference to the class to access this public function... In this quick tip, we’ll take a look at some steps you can take to track down this mosquito and squash it good.
Projecting raster z-values from foot to meters? Like Show 0 Likes(0) Actions 6. When possible, it's recommended you use a custom class to solve this issue. Take every variable in that line and trace them out prior to the error.
Coding standard for clarity: comment every line of code? Any required parameters before ...rest are still required. Pentest Results: Questionable CSRF Attack How to sample points randomly below a curve?