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9 Μαρ 2010 · When you want to free the object, add the following line: obj1 = null; The the garbage collector if free to delete the object (provided there are no other pointer to the object that keeps it alive.)
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Create a Class. To create a class, use the class keyword: Create a class named " Car " with a variable color: class Car { string color = "red"; } When a variable is declared directly in a class, it is often referred to as a field (or attribute).
8 Ιουν 2022 · The Object class is the base class for all the classes in the .Net Framework. It is present in the System namespace. In C#, the .NET Base Class Library(BCL) has a language-specific alias which is Object class with the fully qualified name as System.Object. Every class in C# is directly or indirectly derived from the Object class.
21 Ιουν 2011 · The correct way to check for nullity is if(data != null). This kind of check is ubiquitous for reference types; even Nullable<T> overrides the equality operator to be a more convenient way of expressing nullable.HasValue when checking for nullity.
14 Σεπ 2017 · Interoperability mechanisms. The .NET framework provides different ways of achieving interoperability. These are: Platform Invocation (P/Invoke) C++ Interop. COM Interop. Embedded Interop types. Platform Invocation (PInvoke for short) allows for managed code to call native unmanaged functions implemented as DLLs.
