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### 9.16.1 Showing only part of the graph

You can choose to only display a vertical slice of the overall Gantt chart by explicitly specifying a date range with the method GanttGraph::SetDateRange(). This will cap any bars to only be displayed in between the start and end date given as parameters. For example specifying

`$graph-> SetDateRange( "2001-12-20", "2002-01-20");`

will show the part of the Gantt chart between the 20 Dec 2001 and 20 of January 2002. Please note that the format depends on the locale setting.

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