button

You won’t need dependency properties because you are inheriting from Button. You already have the IsPressed and IsEnabled properties. In fact, this is all you need: <Button x:Class=”TestWpfApplication.ThreeStateImageButton” xmlns=”http://schemas.microsoft.com/winfx/2006/xaml/presentation” xmlns:x=”http://schemas.microsoft.com/winfx/2006/xaml”> <Button.Template> <ControlTemplate TargetType=”{x:Type Button}”> <Grid> <Image Name=”Normal” Source=”Resources/Normal.png”/> <Image Name=”Pressed” Source=”Resources/Pressed.png” Visibility=”Hidden”/> <Image Name=”Disabled” Source=”Resources/Disabled.png” Visibility=”Hidden”/> </Grid> <ControlTemplate.Triggers> <Trigger Property=”IsPressed” Value=”True”> <Setter TargetName=”Normal” Property=”Visibility” Value=”Hidden”/> … Read more