ListDisplay (Function)

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ListDisplay (Function)

In french: ListeAffiche

Refreshes the display of a browsing List Box, ListView or Combo Box control. For a memory List Box or Combo Box control, the refresh is automatically performed.

This refresh operation can be performed from a given position.

Remark: ListDisplay can be used on single-selection and multiselection List Boxes.

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 WINDEV applications in Linux.

New in version 16

This function is now available for WINDEV applications in Linux.

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.

New in version 18

This function is now available in Windows Store apps mode.

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

// Refresh the "LOOP_ProductLooper" control
ListDisplay(LIST_CustomerList)

// Refresh "LOOP_ProductLooper" from the beginning of the List Box control
ListDisplay(LIST_CustomerList, taStart)

Syntax

ListDisplay(<List Box control> [, <Position>])

<List Box control>: Control name

Name of browsing List Box (or Combo Box) control to refresh.
If this parameter corresponds to an empty string (""), the List Box control (or Combo Box control) to which the current event belongs is refreshed.

<Position>: Integer or constant (optional)

Indicates the start position for the refresh. This parameter can correspond to:
an integer. The refresh is performed from this position. The selected element is not modified. ListDisplay has no effect if this parameter is invalid.
a constant:
taCurrentSelection
Refreshes the List Box control from the position of the selection bar.
The position of selection bar is not modified.
This constant is not available.
taCurrentFirst
Refreshes the List Box control from the current record in the data file.
The first row of the List Box control is selected. This row corresponds to the current record of the control.
Versions 15 and later
This constant is available in PHP.
New in version 15
This constant is available in PHP.
This constant is available in PHP.
taStart
Refreshes the List Box control and sets the selection bar at the beginning of the list.
The first row of the List Box control is selected. This row corresponds to the first record displayed in the control.
Versions 15 and later
This constant is available in PHP.
New in version 15
This constant is available in PHP.
This constant is available in PHP.
taInit
Runs the initialization events of the List Box control (initializing and end of initialization events).
Fills the List Box control.
The first row of the List Box control is selected. This row corresponds to the first record displayed in the control.
Versions 15 and later
This constant is available in PHP.
New in version 15
This constant is available in PHP.
This constant is available in PHP.
taReExecuteQuery
Re-runs the query (for the List Box controls on embedded queries only).
Refreshes the List Box control and sets the selection bar at the beginning of the list.
The first row of the List Box control is selected. This row corresponds to the first record displayed in the control.
This constant is not available.
Versions 16 and later
This constant is now available.
New in version 16
This constant is now available.
This constant is now available.
Versions 15 and later
taNoUpdEditCb
New in version 15
taNoUpdEditCb
taNoUpdEditCb If the control is an editable Combo Box control, the edit control associated with the Combo Box control is not modified according to the new content of the list.
If this constant is not used, the edit control associated with the Combo Box is modified by default.
This constant can be combined with the other constants.
This constant is not available.
This parameter is not available.

Remarks

Miscellaneous

To refresh the Table controls, use TableDisplay.
ListDisplay can be used on a "Combo Box" table column.

Native SQLServer Connector

If ListDisplay handles a List Box control linked to a data file accessed by the Native SQLServer Connector, we recommend that you use the taCurrentFirst and taStart constants.

Component: wd260obj.dll