Currently I am working on a 3D visualization app. A requirement of my app is that host's graphics card supports Shader Model 3. How can I check for Shader Model 3 support?

I know that these versions are supposed to support these models:

• DirectX 8.0 - Shader Model 1.0 & 1.1
• DirectX 8.0a - Shader Model 1.3
• DirectX 8.1 - Shader Model 1.4
• DirectX 9.0 - Shader Model 2.0
• DirectX 9.0a - Shader Model 2.0a
• DirectX 9.0b - Shader Model 2.0b
• DirectX 9.0c - Shader Model 3.0
• DirectX 10.0* - Shader Model 4.0
• DirectX 10.1* - Shader Model 4.1
• DirectX 11.0* - Shader Model 5.0

But some graphic hardware doesn't support Shader Model 3.0 even with the proper DirectX version. So I want to determine it by checking the hardware not just the DirectX version.