Change Event

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# Change Event

This document covers the following topics:

- Applies To

- Description

## Applies To

Date and Time Picker (DTP) Control, Edit Area Control, Input Field Control, OLE Container Control, Scrollbar Control, Selection Box Control, Slider Control, Spin Control, Table Control.

## Description

This event is raised to indicate a change in the control's value.

For a Scrollbar Control, this event occurs when the control's thumb position (SLIDER attribute value) is changed by the user.

For a Slider Control, this event occurs when the control's slider position (SLIDER attribute value) is changed by the user.

For a Spin Control, this event occurs when the control's spin position (POSITION attribute value) is changed by the user.

For a Date and Time Picker (DTP) Control, this event occurs when the control's date or time (TIME attribute value) is changed by the user.

For an OLE Container Control, this event occurs when the object's data have been changed.

For all other control types listed above, this event occurs when the control's text STRING is changed by the user or (in the case of input fields and table controls) by the program.

If this event occurs in a cell of a Table Control, the ROW and COLUMN attributes are modified so that they contain the position of the changed cell.

If this event occurs for an Input Field Control or a Selection Box Control with a linked variable, the linked variable must be updated in the change event.

### On this page

- Applies To
- Description