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Language Reference
NEXT-SIBLING Attribute
The next entry in the list of asynchronous request handles, persistent procedure handles, server handles, temp-table object handles or widget handles, relative to a given handle.
Data Type: WIDGET-HANDLEAccess: ReadableApplies To: Asynchronous Request Object Handle, Browse, Buffer Object Handle, Button, Combo-box, Control-frame, Dialog-box, Editor, Field-group, Fill-in, Frame, Image, Literal, Menu-item, Radio-set, Rectangle, Selection-list, Server Object Handle, Slider, Socket Object Handle, Server-socket Object Handle, Sub-menu, Text, THIS-PROCEDURE System Handle (and all procedure handles), Toggle-box, Window.Table 58 summarizes the value of NEXT-SIBLING for each relevant handle type.
If the given handle is the last handle in the list, NEXT SIBLING assumes the value of an invalid handle. To check the validity of a handle, use the VALID-HANDLE function.
NOTE: A widget must first be realized before it can become part of the list. A hidden widget cannot become part of the list since it is not realized. A widget that is already part of the list can be hidden and it remains part of the list.
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