Hello Engin ,
I suggest you consider using our TimeLine
By using the MinorTickLenght
properties of the view you can customize the time ruler to show weeks as it is illustrated in the screenshot.
Please review the attached project. Although it is built against Silverlight the code will work with WPF too.
By using the TimeRulerItemStyleSelector
you can customize the look of the items.Please review the article below:
the Telerik team
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