devxlogo

April 16, 1998

Accessing individual pixels

Question: I’m developing a VB program that requires manipulation of pictures. I can read them in and display them without any problem, but I have no way (that I can

Image Change Script

Question: I am trying to get an image change script to be downward compatible, but Internet Explorer 3.0 does not recognize MouseOvers. Is there another way to do an image

Draw order of dynamic datawindow objects

Question: How can I control the draw order (i.e., BringToFront, SendToBack) of datawindow objects dynamically created in the deatil band? Answer: At design time you can layer objects by using

Unions in C++

Question: I am trying to find some information on Unions in C++, specifically syntax and some type of example and perhaps a discussion as to when and why they are

Powerbuilder / application directory

Question: How do I get the application directory for a PB5-16 app? Answer: You can use the API call GetCurrentDirectory when your application starts to find out its home directory.

Scaling DW

Question: How can I scale down a DW object? Why is the DW object Ruler inch size much bigger than a real inch size? Answer: You can scale a datawindow

ToolBar

Question: Can I change the font size of the ToolBar text for the application (not the development painters)? Answer: No. The font size is taken from the user’s operating system

Datawindow column sorting

Question: I am looking for a way to display an arrowin the the “sorted column” heading to indicatethe direction and column sorted. This functionality can be seen in MS-Exchange. Answer: