Exception filters - CSharp Custom Type

CSharp examples for Custom Type:try catch finally

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Introduction

You can specify an exception filter in a catch clause by adding a when clause: 

catch (WebException ex) when (ex.Status == WebExceptionStatus.Timeout)
{
  ...
}

With exception filters, it can be meaningful to catch the same exception type again: 

catch (WebException ex) when (ex.Status == WebExceptionStatus.Timeout)
{ ... }
catch (WebException ex) when (ex.Status == WebExceptionStatus.SendFailure)
{ ... }

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