C# Exception Filters
C# Exception Filters is a feature of C# programming language. It is introduced in version C# 6.0. It allows us to specify condition along with a catch block.
C# provides when keyword to apply a condition (or filter) along with catch block.
A catch block will execute only when the condition is true. If the condition is false, catch block is skipped and compiler search for next catch handler.
C# Exception Filters is used for logging purpose.
C# Exception Filter Syntax
In the following example, we are implementing exception filter. It executes only, if compiler throws an IndexOutOfRangeException exception.
C# Exception Filter Example
A new task is executing...
In the following example, we are throwing exception explicitly that matches with when condition.
C# Exception Filter Example2
Array Exception Occured A new task is executing...