Basic Questions and Answers
Reginald Installation tips

REXX GUI

Query the value of a single control
Sharing data between window layout scripts
Pass args when creating a child layout
Closing a window programmably
Get a handle of a control from its variable name
Determine which control has focus
GUI control isn't initialized to its variable
Handle the same event for many controls
SETFOCUS event doesn't change the focus
Console Window, GUI, and and Pull Instruction
Create a console window in a GUI script
Resize window/control problem
Get the screen resolution
Accomodate different screen resolutions
Display JPG in a window
Suppress GuiFile()'s Cancel message
Change a control's color
Disable a control
One script modifies control in another layout script
User abort in REXX GUI script
Update a control periodically

Working ENTER key in a single-line ENTRY
OK button selected when user presses ENTER
Get selected line number in multi-line ENTRY
Get selected text in an ENTRY
Replace 1 line of text in an ENTRY
Select all lines in an ENTRY or LISTBOX
Scroll to selection in a multi-line ENTRY
Set cursor position in ENTRY
Dynamically change an ENTRY style
Selected text not shown highlighted
UNFOCUS event and the ENTER key
Detect changed text in an ENTRY
Initialize a multi-line ENTRY
No KEYDOWN event when typing in an ENTRY

RADIO button selection always the same
Button label that spans 2 lines

SPIN and buddy control initialization

Scroll to a particular line in a listbox
Dynamically remove item from listbox
Re-arrange list-box items
Get the contents of a listbox
Horizontal scrollbar on a listbox

Show COMBO's dropdown list
Dynamically change COMBO's dropdown area (size)
Readonly COMBO

TREE items not being hidden

Resize a View Control's column
Clear out a VIEW control

Initialize a TAB control
Add an item/label to a TAB control

Set the color of a PROGRESS bar

Text limit for a menu item
Dynamically adding an unknown number of menu items

Dynamically add a TIMER
TIMER events stopped by modal child

Hide the scrollbar in an HTML control

Variables

Result variable is dropped
USE ARG problem
Scope of variables in objects
Pass an array to an external subroutine
Copy an array to another array
Convert to lower case
Convert EBCD (mainframe text file) to ASCII
INCLUDE'ing common code
Problem using a 'FF'X character
Return a stem variable from a function, sub, or child script

REXX Programmer Center

A docking window has disappeared
Clear RPC's console window
Re-Attaching RPC Windows
Designing overlapping controls
Knowing when a macro is run from RPC
Macro already exists
Display line numbers
Creating several projects in one directory
Double-click on a project file to run RPC

File system

File in use by another application
Saving a stem to a file
Incorrect file length after writing
Change an existing file's name
Filenames with spaces
Error on the second time reading a file
Get the version of an EXE/DLL
Find the program that opens a data file
Search for a string in one or more files
Performing operations on (printing) a file
Name of dropped icon
Save a stem variable to a file
LoadText doesn't close the file
List running processes
Capture output of a DOS command

Objects

Tutorial about object-oriented programming

Miscellaneous

CONDITION('D') returns nothing
Error handling
Suppress SAY's line feed
One line comment
Custom initialization file