ControlExist (Function)

ONLINE HELP
WINDEV, WEBDEV AND WINDEV MOBILE

Version:

Home | Sign in | English

Help

WLanguage

WLanguage functions

Controls, pages and windows

Control management functions

Controls taken into account

ControlExecuteClosing

ControlExecuteModification

CoordinateEditorToScreen

CoordinateImageControlToImage

CoordinateImageToImageControl

CoordinateScreenToEditor

Functions for managing controls

HTMLNavigate

InitParameter

InvalidInputShowIcon

InvalidInputShowTooltip

LayoutAdaptSize

LinkColor

LinkColorRTF( Function)

This content has been translated automatically. Click here to view the French version.

Controls taken into account

WINDEV

WEBDEV

WINDEV Mobile

Others

See also

ControlExist (Function)

In french: ChampExiste

Warning
From version 17, FieldExist is kept for backward compatibility. This function is replaced by ControlExist.

Checks the existence of a control (or group of controls) in a window, in a page or in a report.

Versions 15 and later

This function is now available for Android applications.

New in version 15

This function is now available for Android applications.

Versions 16 and later

This function is now available for Windows Phone applications.

New in version 16

This function is now available for Windows Phone applications.

Versions 17 and later

This function is now available for iPhone/iPad applications.

New in version 17

This function is now available for iPhone/iPad applications.

Versions 18 and later

This function is now available in Windows Store apps mode.

This function is now available in Android Widget mode.

This function is now available for reports in iPhone/iPad applications.

New in version 18

This function is now available in Windows Store apps mode.

This function is now available in Android Widget mode.

This function is now available for reports in iPhone/iPad applications.

This function is now available in Windows Store apps mode.

This function is now available in Android Widget mode.

This function is now available for reports in iPhone/iPad applications.

Versions 21 and later

This function is now available in Universal Windows 10 App mode.

New in version 21

This function is now available in Universal Windows 10 App mode.

Example

// Check the existence of the "EditName" control
ResExist = ControlExist("EditName")

Syntax

<Result> = ControlExist(<Control name>)

<Result>: Boolean

True if the control (or group of controls) exists,
False otherwise.

<Control name>: Character string (with quotes)

Name of the control that must be checked between quotes. This parameter can also correspond to a group of controls.
To check the existence of controls in other windows, pages or reports, <Control Name> must have the following format:
"<Name of Window, Page or Report>.<Control Name>".

Remarks

Controls taken into account

The cells in status bars and the menu options are not considered as being controls.
The menu options are not considered as being controls.
The columns found in the Table controls are not considered as being controls.

Component : wd260vm.dll