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.

ParameterDescription
ctrlentIDHas 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:

TypeDescription
CHECKBOXCheck box.
COMBOBOXCombo box.
EDITBOXEdit box.
EDITFIELDEdit line.
EDITTABLEEdit table.
LISTBOXList box.
PUSHBUTTONPush-button.
RADIOBUTTONRadio button.
flag

flag can have one of three values:

ValueDescription
0Control has lost focus, and focus has moved to another application's window.
1Control has lost focus, and focus has moved to a different OpenInsight control.
2This LOSTFOCUS event was generated as a response to a MENU event.
focusIDThe 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

FOCUS property, GOTFOCUS event, INACTIVATED event

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.

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