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  • Overview
  • Zooming in/Zooming out the content of a Table control
  • Storing the zoom
  • Programming
  • Programming the zoom
  • Disabling the zoom
  • Canceling the zoom
  • Modifying the caption of option used to cancel the zoom (by programming)
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Stored procedures
AAF: Zoom the content of a control (Table, Spreadsheet, List box, Pivot table, ...)
Overview
To simplify the reading in the controls used to view large volumes of data, the end user has the ability to zoom the data found in the control.
The displayed data can be zoomed in the following controls:
  • Table control,
  • Table control found in a Combo Box control,
  • TreeView Table control,
  • Pivot Table control,
  • Spreadsheet control,
  • List Box control.
On the left,
On the left, "standard" table content ; on the right, the same content zoomed
Zooming in/Zooming out the content of a Table control
To zoom the control content:
The user can zoom in on the content of a Table with the Ctrl key and the mouse wheel.
To restore the initial display, all you have to do is select "Cancel the zoom" from the popup menu of control (or press Ctrl + 0).

Storing the zoom

  • On Table and TreeView Table controls, the zoom is automatically saved and reapplied the next time the control is displayed if the option "Store column configuration" is checked ( "Details" tab of the control description window).
  • On the Pivot Table control, the zoom is automatically saved.
Programming

Programming the zoom

You can program the zoom that will be applied to the control (Table, TreeView Table, Pivot Table, Spreadsheet...) using ..Zoom on the control.
For example:
// Zoom in 150%
TABLE_Customer..Zoom = 150
If the zoom is performed by programming, the popup menu of control allows you to cancel the zoom.

Disabling the zoom

To prevent from zooming on a control, all you have to do is use DisableAAF associated with the aafZoom constant.
For example:
// No zoom allowed
DisableAAF(TABLE_Customer, aafZoom)
To prevent from performing a zoom on a control, simply use AAFDisable (or DisableAAF) with the constant aafZoom.
For example:
// No zoom allowed
AAFDisable(TABLE_Customer, aafZoom)

Canceling the zoom

To cancel the zoom on a Table control (and to restore the initial status), simply use AAFExecute (or ExecuteAAF) with the constant aafZoom.

Modifying the caption of option used to cancel the zoom (by programming)

To cancel the zoom, the end user can display the popup menu of control (right mouse click) and select "Cancel zoom".
To modify the caption of this option, simply use AAFChangeCaption associated with the constant aafZoom.
Minimum version required
  • Version 20
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