Hi Stefan,
We have prepared a sample based on your requirement.In this sample,we have applied the HeaderForeground for the Docking Manager Control by overriding MetroStyle and also we have attached DockingManager MetroStyle SourceCode.Using that,You can customize any Property of the DockingManager Control.
Code Snippets:
<ResourceDictionary>
<ResourceDictionary.MergedDictionaries>
<ResourceDictionary Source="/Syncfusion.Tools.WPF;component/Framework/DockingManager/Themes/MetroStyle.xaml"></ResourceDictionary>
</ResourceDictionary.MergedDictionaries>
<Style x:Key="DockingStyle" TargetType="{x:Type syncfusion:DockingManager}" BasedOn="{StaticResource MetroDockingManagerStyle}">
<Setter Property="HeaderBackground" Value="Chocolate"/>
</Style>
</ResourceDictionary>
Please download the sample from following link.
Sample link:DockingMangerSample.zip
Please let us know if you need any further assistance on this.
Regards,
M.Sugapriya