Oracle Forms Developer – Form Builder Reference, Volume 1

SYSTEM.CUSTOM_ITEM_EVENT_PARAMETERS system
variable
Syntax
SYSTEM.CUSTOM_ITEM_EVENT_PARAMETERS
Description
SYSTEM.CUSTOM_ITEM_EVENT_PARAMETERS stores the supplementary arguments for an event
fired by a VBX (in 16-bit Microsoft Windows) or ActiveX (in 32-bit Windows) control.
SYSTEM.CUSTOM_ITEM_EVENT_PARAMETERS examples
Obtains the value of the ’Button’ parameter that stores the value of a VBX control event, and passed the
’Button’ value to the user-defined Move_Image subprogram.
DECLARE
parmType NUMBER;
parmValue VARCHAR2(80);
BEGIN
Get_Parameter_Attr(:System.Custom_Item_Event_Parameters,
’Button’,parmType,parmValue);
/*
** The value of the ’Button’ parameter represents the
** direction to move an image. The user-defined Move_Image
** subprogram moves an image two pixels in the direction
** specified by ’Button’ parameter.
*/
Move_Image(parmValue);
END;
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