// Copyright (c) AlphaSierraPapa for the SharpDevelop Team // // Permission is hereby granted, free of charge, to any person obtaining a copy of this // software and associated documentation files (the "Software"), to deal in the Software // without restriction, including without limitation the rights to use, copy, modify, merge, // publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons // to whom the Software is furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all copies or // substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, // INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE // FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER // DEALINGS IN THE SOFTWARE. using System; using System.Threading; public class ExceptionHandling { public void MethodEndingWithEndFinally() { try { throw null; } finally { Console.WriteLine(); } } public void MethodEndingWithRethrow() { try { throw null; } catch { throw; } } public void TryCatchFinally() { try { Console.WriteLine("Try"); } catch (Exception ex) { Console.WriteLine(ex.Message); } finally { Console.WriteLine("Finally"); } } public void TryCatchMultipleHandlers() { try { Console.WriteLine("Try"); } catch (InvalidOperationException ex) { Console.WriteLine(ex.Message); } catch (Exception ex2) { Console.WriteLine(ex2.Message); } catch { Console.WriteLine("other"); } } public void NoUsingStatementBecauseTheVariableIsAssignedTo() { CancellationTokenSource cancellationTokenSource = null; try { cancellationTokenSource = new CancellationTokenSource(); } finally { if (cancellationTokenSource != null) { cancellationTokenSource.Dispose(); } } } public void UsingStatementThatChangesTheVariable() { CancellationTokenSource cancellationTokenSource = null; using (cancellationTokenSource) { cancellationTokenSource = new CancellationTokenSource(); } } public void TwoCatchBlocksWithSameVariable() { try { Console.WriteLine("Try1"); } catch (Exception ex) { Console.WriteLine(ex.Message); } try { Console.WriteLine("Try2"); } catch (Exception ex) { Console.WriteLine(ex.Message); } } }