You are currently browsing the Programming category

PowerBuilder – Refactoring Code to Reduce Database Calls

Posted on November 27, 2013 at 4:11 pm in

So I’m working on a fairly large enhancement to an application which is about twelve years old.  In a nutshell it involves allowing users to see data for multiple sites and multiple locations within each site.  Originally the app was created so the user could only view a single site at a time.  Which sites…

PowerBuilder – Refactoring Code to Reduce Database Calls - the full story »

Comment on PowerBuilder – Refactoring Code to Reduce Database Calls »

PowerBuilder ‘Gotcha’ – Tooltips do not display

Posted on April 1, 2013 at 5:17 pm in

I was working on setting up datawindow tooltips for a project and ran into an issue where sometimes they would not display for specific columns on the datawindow. Here is what you have to do: The tooltip Enabled property must be TRUE. The tooltip text must not be an empty string or NULL. The tooltip…

PowerBuilder ‘Gotcha’ – Tooltips do not display - the full story »

Comment on PowerBuilder ‘Gotcha’ – Tooltips do not display »

Windows 7 ‘Gotcha’ – PowerBuilder Application Control Fonts Too Large

Posted on February 21, 2013 at 7:17 am in

So I finally got my computer upgraded to Windows 7 at work.  I was very happy to have it since XP was really starting to annoy me and I couldn’t really do some of the development tasks I needed to get done. After a week or so I started looking through the applications I work…

Windows 7 ‘Gotcha’ – PowerBuilder Application Control Fonts Too Large - the full story »

Comment on Windows 7 ‘Gotcha’ – PowerBuilder Application Control Fonts Too Large »

PowerBuilder – Writing to the Windows Event Log

Posted on February 13, 2013 at 5:32 pm in

Here are  two ways to write to the Event log in Windows and indicate the source of the message. Reportevent External Function and Eventcreate command line command You can use the command shell to do this too but this has the drawback of not being able to assign the source of the event. First you need…

PowerBuilder – Writing to the Windows Event Log - the full story »

Comment on PowerBuilder – Writing to the Windows Event Log »

PowerBuilder – Datawindow Usability Improvements

Posted on December 27, 2012 at 5:25 pm in

I did a presentation at the 2012 PowerBuilder Developers Conference on improving the user experience in older PowerBuilder applications.  Later in December 2012 I presented an abstract of that on PowerBuilder TV.  The recorded session can be found here. I have updated the presentation files along with exports of the PB objects so that folks…

PowerBuilder – Datawindow Usability Improvements - the full story »

Comment on PowerBuilder – Datawindow Usability Improvements »

Datawindow Usability Improvements Presentation

Posted on December 4, 2012 at 7:49 am in

You can find the files from my PBTV presentation here.  I’ll do an in depth article later for those who could not attend the session. This is an extract from the session I presented at the SAP PowerBuilder Developers Conference 2012.

Datawindow Usability Improvements Presentation - the full story »

Comment on Datawindow Usability Improvements Presentation »

Getting your COM component Registered for use with PowerBuilder

Posted on November 5, 2012 at 7:29 pm in

I built a COM component to allow for the taking of pictures from a webcam in PowerBuilder. The component itself was done in Visual Studio 2010 in C# and makes use of a web camera control created to use the Directshow API library available as part of the Windows SDK. You can find more information…

Getting your COM component Registered for use with PowerBuilder - the full story »

6 Comments on Getting your COM component Registered for use with PowerBuilder »

PowerBuilder – Update the Datawindow object definition programatically

Posted on October 11, 2012 at 6:31 pm in

I’m doing some work on an application to aid in the mass update of various datawindow attributes. It’s not rocket science since you are dealing with a series of text files and doing some basic ‘find and replace’ operations. However, if you have ever worked on a project which has been around for a while…

PowerBuilder – Update the Datawindow object definition programatically - the full story »

Comment on PowerBuilder – Update the Datawindow object definition programatically »

PowerBuilder ‘Gotcha’ – Column lists do not match

Posted on September 11, 2012 at 8:08 pm in

This is more of a database driver error but I encountered it within a datawindow I was working on so PB gets credit. I was working on a generic data drill down control which has a filtering process to eliminate data based on a date argument. Since I also wanted this date value for other…

PowerBuilder ‘Gotcha’ – Column lists do not match - the full story »

Comment on PowerBuilder ‘Gotcha’ – Column lists do not match »

PowerBuilder ‘Gotcha’ – Strings, Describe and Position Attributes

Posted on September 6, 2012 at 6:40 pm in

So I’m getting the position attributes of a column in a datawindow to aid in the display of another visual object. What I initially coded was this: ll_open_x = Long(adw.describe(as_colname + ‘.X’) + & adw.describe(as_colname + ‘.height’)) + 10 I run the window and my visual object is no where to be seen. Looking in…

PowerBuilder ‘Gotcha’ – Strings, Describe and Position Attributes - the full story »

Comment on PowerBuilder ‘Gotcha’ – Strings, Describe and Position Attributes »

Top