The Conditional Attribute : Conditional Attribute « Attribute « C# / CSharp Tutorial

1. The Conditional Attribute allows you to create conditional methods.
2. A conditional method is invoked only when a specific symbol has been defined via #define.
3. Otherwise, the method is bypassed.
4. A conditional method offers an alternative to conditional compilation using #if.
5. Conditional is another name for System.Diagnostics.ConditionalAttribute.
6. To use the Conditional attribute, you must include the System.Diagnostics namespace.

Conditional methods have a few restrictions.

1. Conditional methods must return void.
2. Conditional methods must be members of a class, not an interface.
3. Conditional methods cannot be preceded with the override keyword.