---
title: "Check Method "
canonical: https://customerscanvas.com/docs/cc6/M_Aurigma_DesignAtoms_Licensing_License_Check.htm
archived: true
applies_to:
  - product: "Customer's Canvas On-Premises"
  - product: "Design Atoms .NET"
    versions: ["6.0.0", "6.x (may differ)"]
---

**You’re viewing outdated documentation.** [View the latest Customer’s Canvas On-Premises documentation](https://customerscanvas.com/docs/on-premises/).

# Check Method 

**Applies to:** Customer's Canvas On-Premises; Design Atoms .NET 6.0.0, 6.x (may differ) · **Archived documentation**
 
Checks that the Customer's Canvas license is valid.
 
**Namespace:** [Aurigma.DesignAtoms.Licensing](https://customerscanvas.com/docs/cc6/N_Aurigma_DesignAtoms_Licensing.htm.md) 
 **Assembly:** Aurigma.DesignAtoms (in Aurigma.DesignAtoms.dll)
 
## Syntax
  
```csharp
public static void Check()
```
 
## Remarks
 You must check an registered license key every time you launch an application, which uses Customer's Canvas.
 
## See Also
  
### Reference
 
- [License Class](https://customerscanvas.com/docs/cc6/T_Aurigma_DesignAtoms_Licensing_License.htm.md)
- [Aurigma.DesignAtoms.Licensing Namespace](https://customerscanvas.com/docs/cc6/N_Aurigma_DesignAtoms_Licensing.htm.md)