Use a conditional attribute on the method, as shown below: class Debug{[conditional("TRACE")]public void Trace(string s){Console.WriteLine(s);}}class MyClass{public static void Main(){Debug.Trace("hello");}}In
Latest Answer : Well, you cant add the namespace System.Diagnostics.ConditionalAttribute. Actually you need to add the namespace System.Diagnostics and capitalise "Conditional" like so:using System;using System.Diagnostics;namespace Debug{ class ...
If you leave off the return type on a method declaration, the compiler thinks you are trying to declare a constructor. So if you are trying to declare a method that returns nothing, use void. The following
Latest Answer : If your method does not have any return type then mention void before that method or return 0 ...
C# requires only a single parameter for delegates: the method address. Unlike other languages, where the programmer must specify an object reference and the method to invoke, C# can infer both pieces of
Latest Answer : This article is good.IntroductionIn this article I am going to share my knowledge on Delegates in C#.This would explain the Delegate using simple examples so that the beginner can understand the same.What is Delegate?Definition:Delegate is type which ...
Here's a quick example of the DllImport attribute in action: using System.Runtime.InteropServices;class C{[DllImport("user32.dll")]public static extern int MessageBoxA(int h, string m, string
Latest Answer : ans:by using1st:using System.Runtime.InteropServicessecond step[DllImport("user32.dll")]use top of the class ...
No. However, there are plans for C# to support a type of template known as a generic. These generic types have similar syntax but are instantiated at run time as opposed to compile time. You can read more
Latest Answer : Generics are a new feature in version 2.0 of the C# language and the common language runtime (CLR). Generics introduce to the .NET Framework the concept of type parameters, which make it possible to design classes and methods that defer the specification ...
The equivalent of inout in C# is ref. , as shown in the following example: public void MyMethod (ref String str1, out String str2) {...}When calling the method, it would be called like this: String s1;String
Latest Answer : Ans:Answer: The equivalent of inout in C# is ref. , as shown in the following example: public void MyMethod (ref String str1, out String str2) {...}When calling the method, it would be called like this: String s1;String s2;s1 = "Hello";MyMethod(ref s1, ...
The most common problem is that you used a lowercase 'm' when defining the Main method. The correct way to implement the entry point is as follows: class test {static void Main(string[] args)
Latest Answer : class test { public test() { } public static void Main(string[] args) {} } modifier for Main is public and inside the clas default constructor is necessary ...
No. The access modifier on a property applies to both its get and set accessors. What you need to do if you want them to be different is make the property read-only (by only providing a get accessor) and
Latest Answer : yes,it is possible for get and set to have different access modifiers,but one of the accessors must follow the access level of property. ...
In a garbage collected environment, it's impossible to get true determinism. However, a design pattern that we recommend is implementing IDisposable on any class that contains a critical resource.
From a versioning perspective, what are the drawbacks of extending an interface as opposed to extending a class?
With regard to versioning, interfaces are less flexible than classes. With a class, you can ship version 1 and then, in version 2, decide to add another method. As long as the method is not abstract (i.e.,
