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NullReferenceException or Object reference not set to an instance of an object occurs when an object of the class you are trying to use is not instantiated. For example: Assume that you have a class named Student.
I was trying to add a new class to my code base while trying to reference a class from another assembly but Resharper would throw an error for that package. With some help of a co-worker, I figured out that the referenced class existed in the global namespace and wasn't accessible from the new class since it was hidden by another entity of same ...
1 Φεβ 2023 · #if, along with the #else, #elif, #endif, #define, and #undef directives, lets you include or exclude code based on the existence of one or more symbols. Conditional compilation can be useful when compiling code for a debug build or when compiling for a specific configuration.
7 Φεβ 2024 · The following table describes the standard format specifiers and associated formatting object members that are used with numeric data types in the Base Class Library.
In my case, I have an internal base class defined in one assembly ("A"), an internal derived class defined in a second assembly ("B"), and a test assembly ("TEST"). I exposed internals defined in assembly "B" to "TEST" using InternalsVisibleToAttribute, but neglected to do so for assembly "A".
7 Φεβ 2024 · The System.Exception class is the base type of all exceptions. This class has a few notable properties that all exceptions share: Message is a read-only property of type string that contains a human-readable description of the reason for the exception. InnerException is a read-only property of type Exception.
14 Σεπ 2017 · C++/C# interop code can prove to be quite difficult to debug, especially across the boundary between managed and unmanaged code. The use of logging can mitigate this problem. PInvoke requires C-style linkage. Thus C++ classes need to be serialised before they are marshalled. PInvoke is not type safe. Errors are reported at runtime.
