List Reusable Part Column - FocusItem Property

Reference to the focus item in the column

Member of List Reusable Part Column (PRIM_LIST.Part)

Data Type - PRIM_LIST.PartCurrentItem - Provides access to the reusable part for the current list item

Details

The FocusItem property of a column allows access to the individual items within the column.

A column will only have a FocusItem if the FocusItem in the list has been set.

Example

In this exmaple, when focus changes, a reference to the current design instance is taken from the column FocusItem so that the changed event can be monitored.

     Begin_Com Role(*EXTENDS #PRIM_WEB) Height(712) Width(1024) 

        Define_Com Class(#PRIM_LIST) Name(#List) DisplayPosition(1) Left(78) Parent(#COM_OWNER) TabPosition(1) Top(64) Height(401) Width(587) RowLines(False) ColumnLines(False) RowHeight(30)
        Define_Com Class(#PRIM_LIST.Number) Name(#ColumnNumber) ColumnWidth(136) DisplayPosition(1) Increment(1) Parent(#List) Source(#xDemoNumber) Wrap(False)
        Define_Com Class(#PRIM_LIST.Part) Name(#ColumnPart) DisplayPosition(2) Parent(#List) Design(#ColumnDesign) ColumnWidth(157) ColumnCaption('Address') 

        Define_Com Class(#ColumnDesign) Name(#CurrentDesignInstance) Reference(*Dynamic) 

        Evtroutine Handling(#List.ItemGotFocus) 

           #CurrentDesignInstance <= (#ColumnPart.FocusItem.Part *As #ColumnDesign) 

        Endroutine 

        Evtroutine Handling(#List.ItemLostFocus) 

           #CurrentDesignInstance <= *null 

        Endroutine 

        Evtroutine Handling(#CurrentDesignInstance.Changed) 

           * Handle change in current design instance 

        Endroutine 

     End_Com

See also

All Component Classes

Technical Reference

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