User Interface

a { text-decoration: none; color: #464feb; } tr th, tr td { border: 1px solid #e6e6e6; } tr th { background-color: #f5f5f5; } From version 2019 R1 onward, you can use a compiler configuration variable to insert COBOL code that sets... Read More

Sometimes you may want to have some special routines to apply similar changes to GUI controls of one or more screen programs.  You can do this by passing the handle of the control, defined in the calling program, to a called program which would... Read More

Use the -cnlz compile option, implemented in version 2015R1. -cnlz Leading zeros are shown when numeric data items are displayed on a character based screen.   Read More

You can empty the grid of any data except for column headers through the action property, like this: modify grid-1 action = ACTION-CURRENT-PAGE Then generate the grid's PAGED-NEXT event. If you position a data file using the START statement... Read More

The display window syntax was extended in version 2018R1 to add the display of a notification window.  A notification window is an undecorated window notifying the user about events that will or are happening in your program.  This window doesn&... Read More

A default screen in isCOBOL uses SanSerif 9 pt bold. If you’re using the default font for your character screen and you want to change it, try this method. The attached program MAIN.cbl displays a screen, but doesn’t define the main... Read More

When the allow-container style is set, a tab control becomes a container control.    03 screen1-tc-1 tab-control       tab-to-add ("Page1", "Page2")       allow-container. By making the tab control a container, you remove the need to... Read More

There are some user-friendly options that are often displayed on the status bar at the bottom of the screen. These include whether the caps lock, num lock, and insert mode keys are on or off, as well as the current date and time. isCOBOL's... Read More

We suggest using one of the many Java Beans packages for graphing and other statistics tools. isCOBOL's sample program ISCONTROLSET is our demo showing the GUI capabilities of each control in the isCOBOL control set. It also demonstrates using... Read More

Yes! It's easy to design and generate fully graphical screen programs using the WYSIWYG Screen editor in the isCOBOL IDE. The IDE includes several other content editors make your GUI screen design problem free; for example, there are graphical... Read More