isCOBOL General

Question: The icon in the upper left corner of the Window is a blue circle containing the letters "is". How can I replace this with my own icon? Answer: If you want to display the Java icon instead of the isCOBOL icon, you can set iscobol.gui... Read More

Usually to replace a text in a string you use the "inspect replacing" statement. But with this kind of approach the original text and the new text must have the same length. To avoid this problem you can use the "C$REPLACE_ALL" routine. This... Read More

There are two library routines that allow to retrieve this information. 1. C$CHDIR called using a blank data-item initialize curr-dir.|curr-dir pic x(256). call "C$CHDIR" using curr-dir. display "Current directory: " curr-dir. ... Read More

There are many JavaBean graphical controls available that you can include in a COBOL screen section. For example, ComponentSource has a section devoted to Java components, at http://www.componentsource.com/features/java-components/index.html. ... Read More

C$REDIRECT is used to assign a different file I/O handler to a file. There are several options to do the same in isCOBOL. In version 2022R2 and later, you can write a hook program using this configuration to change the file handler class in the hook... Read More

Question: My program displays a menu and I can press down-arrow 8 times and sit there and watch while the menu item selection moves down to catch up. I want to profile my program to see what operations are accounting for the slow user interface... Read More

Question: I got the following compiler warning. Is there any equivalent for the COPY RESOURCE functionality? --W: Directive ignored: COPY RESOURCE; file = smSWLOGON.CO, line = 1783, col Answer: Prior to version 2022R1, the isCOBOL... Read More

Question: When I run my program with an older version of the Java runtime environment I get the following error: java.lang.UnsupportedClassVersionError: ABCPROG has been compiled by a more recent version of the Java Runtime (class file version... Read More

Question: What products in isCOBOL run on z/OS? Answer: The JDK on z/OS is called "IBM SDK for z/OS Java Technology Edition", which you can download here. The following isCOBOL products and features are implemented as pure Java classes with... Read More

Question: Can I include DLLs and/or .so files in the same JAR file as my application? Will the application be able to call those DLLs or shared objects in the JAR file? If not, then what is the best way to distribute DLLs with my application if I... Read More