LOSTFOCUS event
Description
Occurs when focus passes from a control to anywhere else.
Syntax
bforward = LOSTFOCUS(ctrlentID, ctrlclassID, flag, focusID)
Parameters
LOSTFOCUS accepts arguments for the following parameters.
| Parameter | Description |
|---|---|
| ctrlentID | Has the format WindowName.ControlName, where WindowName is the identifier of the window that contains the affected control, and ControlName is the identifier of the control. Notice that a period separates the two values. |
| ctrlclassID | The type of control that recognizes the event. Valid entries are: Type - Description CHECKBOX - Check box. COMBOBOX - Combo box. EDITBOX - Edit box. EDITFIELD - Edit line. EDITTABLE - Edit table. LISTBOX - List box. PUSHBUTTON - Push-button. RADIOBUTTON - Radio button. |
| flag | flag can have one of three values: Value - Description 0 - Control has lost focus, and focus has moved to another application's window. 1 - Control has lost focus, and focus has moved to a different OpenInsight control. 2 - This LOSTFOCUS event was generated as a response to a MENU event. |
| focusID | The next control in the active tab order. This parameter will contain the name of the control that receives focus after the LOSTFOCUS event. |
Returns
True or false. If false, the program execution returns to the calling procedure. If true, the event processing goes to the next level.
See Also
Remarks
A common mistake is returning 0 from LOSTFOCUS, not allowing the system event handler to process changes to data in bound controls. Always return 1 or use Forward_Event from LOSTFOCUS unless you want to suppress the system event handler.