Action

Description

The action a user can assign to a button control.

Applies to

Button controls

Syntax

PowerBuilder dot notation:

dw_control.Object.buttonname.Action

Describe and Modify argument:

"buttonname.Action { = ' value ' }"

Parameter	Description
buttonname	The name of the button for which you want to assign an action.
value	The action value assigned to the button. Values are listed in the following table.

Value	Action	Description	Value returned to ButtonClicked event
0	UserDefined	(Default) Allows for programming of the ButtonClicked and ButtonClicking events with no intervening action occurring.	Return code from the user’s coded event script.
1	Retrieve (Yield)	Retrieves rows from the database. Before retrieval actually occurs, option to yield is turned on. This allows the Cancel action to take effect during a long retrieve.	Number of rows retrieved.
2	Retrieve	Retrieves rows from the database. The option to yield is not automatically turned on.	Number of rows retrieved.
3	Cancel	Cancels a retrieval that has been started with the option to yield.	0
4	PageNext	Scrolls to the next page.	The row displayed at the top of the DataWindow control when the scrolling is complete or attempts to go past the first row. -1 if an error occurs.
5	PagePrior	Scrolls to the prior page.	The row displayed at the top of the DataWindow control when the scrolling is complete or attempts to go past the first row. -1 if an error occurs.
6	PageFirst	Scrolls to the first page.	1 if successful. -1 if an error occurs.
7	PageLast	Scrolls to the last page.	The row displayed at the top of the DataWindow control when the scrolling is complete or attempts to go past the first row. -1 if an error occurs.
8	Sort	Displays Sort dialog box and sorts as specified.	1 if successful. -1 if an error occurs.
9	Filter	Displays Filter dialog box and filters as specified.	Number of rows filtered. Number < 0 if an error occurs.
10	DeleteRow	If button is in detail band, deletes row associated with button; otherwise, deletes the current row.	1 if successful. -1 if an error occurs.
11	AppendRow	Inserts row at the end.	Row number of newly inserted row.
12	InsertRow	If button is in detail band, inserts row using row number associated with the button; otherwise, inserts row using the current row.	Row number of newly inserted row.
13	Update	Saves changes to the database. If the update is successful, a COMMIT is issued. If the update fails, a ROLLBACK is issued	1 if successful. -1 if an error occurs.
14	SaveRowsAs	Displays Save As dialog box and saves rows in the format specified.	Number of rows filtered.
15	Print	Prints one copy of the DataWindow object.	0
16	Preview	Toggles between preview and print preview.	0
17	PreviewWithRulers	Toggles between rulers on and off.	0
18	QueryMode	Toggles between query mode on and off.	0
19	QuerySort	Specifies sorting criteria (forces query mode on).	0
20	QueryClear	Removes the WHERE clause from a query (if one was defined).	0

Usage

In the painter Select the control and set the value in the Properties view, General tab.

Examples

Example 1

dw1.Object.b_retrieve.Action = "2"

setting = dw1.Describe("b_retrieve.Action")
dw1.Modify("b_retrieve.Action = '2'")