How to create style based on default DataGrid style?

c# wpf datagrid styles
Rasto picture Rasto · Feb 13, 2011 · Viewed 23k times · Source

I have custom control that extends DataGrid. It is called ExtendedDataGrid. I want to provide style for ExtendedDataGrid that is the same as DataGrids style except it changes the template. I have tried something like this:

<Style TargetType="{x:Type MyControls:ExtendedDataGrid}" BasedOn="{StaticResource {x:Type DataGrid}}">
    <Setter Property="Template">
    ...
    </Setter>
</Style>

But it says that that the resource is not found.

So I try:

<Style TargetType="{x:Type MyControls:ExtendedDataGrid}" BasedOn="{StaticResource {ComponentResourceKey ResourceId=DataGridStyle, TypeInTargetAssembly={x:Type DataGrid}}}">
    <Setter Property="Template">
    ...
    </Setter>
</Style>

But it also does not work... So what do I do ?

Answer

Rasto picture Rasto · Feb 13, 2011

Well mystery is solved :)

My first code above actually works:

<Style TargetType="{x:Type MyControls:ExtendedDataGrid}" BasedOn="{StaticResource {x:Type DataGrid}}">
    <Setter Property="Template">
    ...
    </Setter>
</Style>

I thought that it is not working becase VS (or Resharper) showed error in my code saying that resource is not found... Bug in VS (or Resharper) :(

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