Opacity (Property)

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Limits: operating system and graphics card
Limit: window types
Opacity of Action Bar
Limit: field types

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Propiedades de ventanas, páginas y controles

Opacity (Property)

The Opacity property is used to get and define the opacity percentage for a window, or for controls in a window or page. This gives you the ability to make a window transparent (or a control found in a window or in a page).

Remarks:

This property can also be applied to a page control.
This property may not be supported by the former browsers (Internet Explorer 5.5 and earlier, ...).
For a Color variable, the opacity value is not included between 0 and 100 but between 0 and 255.

Novedad versión 2025

This property is now available for the Cell control field in version 2025 Update 1.

Ejemplo

// Make the window invisible little by little (fade out)
i is int
FOR i = 1 TO 100
	WIN_EditWindow.Opacity = 100 - i
END
Close()

Sintaxis

Finding out the percentage of opacity applied to a window or to a control (found in a window or in a page) Ocultar los detalles

<Percentage of opacity> = <Element used>.Opacity

<Percentage of opacity>: Integer

Percentage of opacity for the specified element (window or control). This percentage is included between 0 (invisible window) and 100 (opaque window).

<Element used>: Name of window, control or group of controls

Name of element to use:
Window name,
Not supported.
Name of control,
Name of group of controls.

Modifying the percentage of opacity applied to a window or to a control (found in a window or in a page) Ocultar los detalles

<Element used>.Opacity = <Percentage of opacity>

<Element used>: Name of window, control or group of controls

Name of element to use:
Window name,
Not supported.
Name of control,
Name of group of controls.

<Percentage of opacity>: Integer

New percentage of opacity that will be applied to the specified element (window or control). This percentage is included between 0 (invisible window) and 100 (opaque window).

Observaciones

Limits: operating system and graphics card

The Opacity property can only be used on systems above Windows 7.

If the graphics card does not support transparency, the Opacity property will have no effect.

Limit: window types

The Windows system cannot be used to manage the opacity of the MDI Child windows.

Opacity of Action Bar

To manage the opacity of the Action Bar:

Open the description window of the Action Bar control.
In the "Details" tab:
- Check "Make the bar background transparent".
- Specify which bars are taken into account: "Action Bar" or "Action Bar and system bar".
Validate.
The Action Bar is transparent. The opacity of the Action Bar can be changed with the Opacity property.

For more details, see Describing the Action Bar control.

Limit: field types

The Opacity property is only available for the following controls:

Edit control,
Static,
Button,
Check Box,
Radio Button,
List box, combo box,
ListView,
Image,
Table, TreeView Table,
Table cell (in read-only),
Progress Bar,
Scrollbar,
TreeView,
Drawing,
Splitter,
Carousel,
Formatted display control,
HTML control,
Link control,
HTML static,
Pager,
Image (clickable or not),
Breadcrumb,
Thumbnail,
iFrame,
Chart,
Rating.
Dashboard.
Group of controls.
Action Bar control.
Novedad versión 2025
Cell control.

Ver también

Propiedades de ventanas, páginas y controles

Versión mínima requerida

Versión 9

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Última modificación: 13/05/2025

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