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Window.EnableEscForCustomDialog

Enables ESC key to close a custom dialog.

Component Version macOS Windows Linux Server iOS SDK
Window 16.4 ✅ Yes ✅ Yes ❌ No ❌ No ❌ No
MBS( "Window.EnableEscForCustomDialog"; Button Label )   More

Parameters

Parameter Description Example
Button Label The title of the button to click for ESC.
Pass empty text to disable.		 "Cancel"

Result

Returns OK or error.

Description

Enables ESC key to close a custom dialog.
On macOS, we wait for a dialog to show and then assign the ESC key as keyboard shortcut.
On Windows we watch key events for the ESC key and then use UI Automation to click the custom dialog button with the right label.

Examples

Enable ESC for Cancel button:

Set Variable [ $r ; Value: MBS("Window.EnableEscForCustomDialog"; "Cancel") ]
Show Custom Dialog [ "Test dialog" ; "Please press ESC key to close dialog." ]

Disable the feature:

Set Variable [ $r ; Value: MBS("Window.EnableEscForCustomDialog"; "") ]

Release notes

  • Version 16.4
    • Added Window.EnableEscForCustomDialog function.

Blog Entries

This function checks for a license.

Created 20th August 2026, last changed 20th August 2026


Window.DisableScrollbars - Window.EnableScrollbars


MarkDown version: WindowEnableEscForCustomDialog.md