Αποτελέσματα Αναζήτησης
24 Ιαν 2013 · In your case, your objects should really be classes, which then in turn makes then reference types that you can consume. public class O { public string test { get; set; } } var newO = new O() { test = "cat" }; newO = "dog";
The message "Object not set to an instance of Object" means you are trying to use an object which has not been initialized. This boils down to one of these: Your code declared an object variable, but it did not initialize it (create an instance or 'instantiate' it)
1 Φεβ 2023 · You can use the operators == (equality) and != (inequality) to test for the bool values true or false. true means the symbol is defined. The statement #if DEBUG has the same meaning as #if (DEBUG == true) .
By default reference types have reference equality (i.e. two instances are only equal if they are the same object). You need to override Object.Equals (and Object.GetHashCode to match) to implement your own equality. (And it is then good practice to implement an equality, ==, operator.)
6 Φεβ 2013 · If the other class is compiled as a library (i.e. a dll) and this is how you want it, you should add a reference from visual studio, browse and point to to the dll file. If what you want is to incorporate the OtherClassFile.cs into your project, and the namespace is already identical, you can:
23 Δεκ 2023 · C# unlike C++, VB.Net or Objective-C doesn’t have a single keyword for declaring properties, instead it uses two keywords (get/set) to give a much abbreviated syntax for declaring the functions.
14 Ιουλ 2010 · "Object reference not set to an instance of an object" means that you're trying to use the value that is associated with a variable, as an object reference, but that value is null, rather than point to an object.
