GanttColumnResizeEvent

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Represents the object of the onColumnResize Gantt event.

Name	Type	Default	Description
columns	GanttColumnProps[]		The current columns collection.
end	boolean		Indicates that resizing is complete and the user has dropped the resize handler.
index	number		The index of the column.
nativeEvent	any		A native DOM event.
newWidth	number		The new width of the column.
oldWidth	number		The actual width of the column prior to resizing.
target	GanttHandle		An event target.
totalWidth	number		The total width of the columns after the resizing.