Question

<Style x:Key="abc" TargetType="{x:Type Window}">
    <Setter Property="Template">
        <Setter.Value>
            <ControlTemplate TargetType="{x:Type Window}">
                <button x:name="btn">my button!!</button>
            </ControlTemplate>
        </Setter.Value>
    </Setter>
</Style>
...
<Window ... Style="{StaticResource styleMainWindow}">

How can i use the button btn?

come up to your expectations,

MessageBox.Show(this.btn1.name);

was occured an error at compile time. and also btn1 didn’t show up in intelisense.

Answer 1

Try the FindName method on the ControlTemplate class.

Assuming this is your Control’s context:

var button = (Button)this.Template.FindName("btn", this);