HTML and Flex
In case you didn’t know, the Flash Player is not very good at displaying HTML content. Since the Flash Player is the foundation for Flex, Flex apps deployed on the Web aren’t very good at displaying...
View ArticleThreads in Actionscript 3
Every once in a while, someone decides they would like to see threading or background processing in Actionscript. While the underlying Flash Player and Operating System use threads, the execution model...
View ArticleSelectedItem and ComboBox
Seems like it is once a month where someone is having trouble setting the selectedItem of a ComboBox. The key is that the ComboBox does an exact reference match on the items in the dataProvider. It...
View ArticleSmooth Scrolling List
One of the features that got cut from 3.0 was “smooth scrolling”. List and other list-related classes scroll by row/column which can be a bit choppy at times. We tried to leave the hooks in to allow...
View ArticleDataGrid Double-Click To Edit
Several people have asked about changing the default editing behavior of a DataGrid so that starting an edit session requires a double-click instead of the default single-click. Here’s my approach:...
View ArticleCustom ILists, CheckBoxDataGrid, Merged Arrays
Earlier I published how to do a CheckBoxDataGrid where the selection model uses CheckBoxes instead of mouse clicks. I should have mentioned that the example used the DataGrid’s selection logic which...
View ArticleCustom ILists, ComboBox Prompts
Following up on the last post which showed how to use custom ILists to merge two collections, this post shows how to use a custom IList to concatenate or append two collections. Such a thing might be...
View ArticleCustom ArrayCollections, Adding New Items to DataGrid
The previous posts used custom ILists to merge or concatenate other ILists. This example uses a custom subclass of ArrayCollection to fake an empty object at the end of the actual ArrayCollection which...
View ArticleFlex Authority Magazine
I think I can finally say I got something published! Gordon Smith and I contributed to the first issue of Flex Authority, a new magazine (made of actual paper!) that focuses on Flex and AIR. We hope to...
View ArticleFaster DataGrid Horizontal Scrolling
Lately, I’ve heard many complaints about horizontal scrolling performance in DataGrid. Vertical scrolling has been optimized, but horizontal has not. I found a bit of time to put together how to...
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