Splitter Events 
onResize
The event is triggered when the sash (Sash) is expanded or collapsed in a splitter.
Parameter Name
Type
Description
ID
STRING
Standard Parameter
CONTEXT_ELEMENT
IF_WD_CONTEXT_ELEMENT
Standard Parameter
SASH_POSITION
I
SASH_POSITION_MODE
WDUI_SASH_POSITION_MODE
Note
A roundtrip is only triggered if the event onResize is bound to an action handler.
The following parameters are provided by the WDEVENT parameter if onResize is bound to an event handler.
sash_position: Returns the current sash position
sash_position_mode: Returns the current display type
End of the note.
Recommendation
We do not recommend binding events as this can impair performance.
End of the recommendation.