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7 lip 2011 · Screen.Cursor:= crHourGlass; try Obj:= TSomeObject.Create; try // do something finally Obj.Free; end; finally Screen.Cursor:= crDefault; end; The guideline to follow is that you should use finally rather than except for protecting resources.
2 mar 2024 · Użyj instrukcji throw języka C#, aby zasygnalizować wystąpienie wyjątku. Użyj instrukcji try języka C#, aby przechwycić i przetworzyć wyjątki występujące w bloku kodu.
22 kwi 2023 · Use the C# throw statement to signal an occurrence of an exception. Use the C# try statements to catch and process exceptions occurred in a block of code.
2 maj 2024 · To do this, you can use a finally block. A finally block always executes, regardless of whether an exception is thrown. The following code example uses a try / catch block to catch an ArgumentOutOfRangeException. The Main method creates two arrays and attempts to copy one to the other.
C# provides built-in support to handle the exception using try, catch & finally blocks. Syntax: try { // put the code here that may raise exceptions } catch { // handle exception here } finally { // final cleanup code }
24 maj 2013 · try { Console.WriteLine("Executing the try statement."); throw new NullReferenceException(); } catch (SomeOtherException e) { Console.WriteLine("{0} Caught exception #1.", e); } finally { Console.WriteLine("Executing finally block.");
16 kwi 2024 · A C# exception is handled by the try, catch, and finally blocks. The try block encapsulates the code that may throw an exception, while the catch block handles the exception if one occurs. No matter whether an exception has been thrown or not, the finally block can be used to execute cleanup code.
