現在のリスト アイテム用チェックボックスへのアクセスを提供します。

祖先 - PRIM_LIST.CurrentItem クラス (PRIM_LIST.CurrentItem) オブジェクト (PRIM_OBJT)

詳細

Prim_List.Checkbox is a column in a List that is visualized as a checkbox.
 
Each column type has a corresponding Column class that provides access to the column instance.
 
The checkbox for each item can be modified independently using the current item for the column in the same way that other visual LANSA lists allow the current item for the list to be used.
 
A checkbox column is created whenever a Check Box is dragged and dropped from the controls view.

Example

This example shows a single column list updating each checkbox after it's added to the list.
 
When a checkbox is clicked the current item for the column is accessed and the column caption shows which checkbox was clicked.

Begin_Com Role(*EXTENDS #PRIM_WEB)
 
   Define_Com Class(#PRIM_LIST) Name(#List1) Displayposition(1) Left(24) Parent(#COM_OWNER) Tabposition(1) Top(24) Height(337) Width(609)
   Define_Com Class(#PRIM_LIST.checkbox) Name(#ColumnCheckbox1) Columnwidth(128) Displayposition(1) Parent(#List1)
 
   Evtroutine Handling(#Com_owner.CreateInstance)
 
      Begin_Loop To(10)
 
         Add_Entry To_List(#List1)
 
      #ColumnCheckbox1.CurrentItem.ButtonState := Checked
 
      End_Loop
 
   Endroutine
 
   Evtroutine Handling(#ColumnCheckbox1.Click)
 
      #ColumnCheckbox1.ColumnCaption := #ColumnCheckbox1.CurrentItem.ButtonState
 
   Endroutine
 
End_Com

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参照

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EPC142030 February 2019