BoldSignEasily embed eSignatures in your .NET applications. Free sandbox with native SDK available.
Thanks for using Syncfusion product.
As of now your requirement can be achieved by overriding the default template of HeaderTitleBarView in the schedule control. We have created a sample based on your requirement and please find the sample in the below link.
Sample Link: Schedule_Header
Based on the given information, we found your requirement is to get same UI for the both Windows Phone and Windows. As per the implementation, we have rendered the control based on adaptive UI, so the control renders based on the device type. It is expected behavior to get the different UI for the windows phone and windows.
If the above provided information is not related with your requirement, please share us more information such as screen shot. So that, we can analyze further to provide a proper solution.