This is an example of a module in VB which is represented as a sealed class with static members in C#.

Namespace: SampleClassLibrary.Utils
Assembly: SampleClassLibrary (in SampleClassLibrary.dll)

Friend Module HelperFunctions
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internal sealed class HelperFunctions
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[<Sealed>] 
type internal HelperFunctions = class end
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private ref class sealed HelperFunctions
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internal final class HelperFunctions
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Name Description
Public method Static AsPrettyString(this MainClass) An example of an extension method. Returns a human readable string representing an instance of MainClass.
Public method Equals(Object) Determines whether the specified object is equal to the current object. (inherited from Object).
Protected method Finalize Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (inherited from Object).
Internal (Friend) method Static FindWindowEx(IntPtr, IntPtr, string, string) An example of an external function. Retrieves a handle to a window whose class name and window name match the specified strings.
Public method Static GetCurrentDate() Gets the current date and time.
Public method GetHashCode Serves as the default hash function. (inherited from Object).
Public method GetType Gets the Type of the current instance. (inherited from Object).
Protected method MemberwiseClone Creates a shallow copy of the current Object. (inherited from Object).
Internal (Friend) method Static RegisterClipboardFormat(string) An example of an external function. Registers a new clipboard format. This format can then be used as a valid clipboard format.
Public method ToString Returns a string that represents the current object. (inherited from Object).
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In VB, you can use included methods directly without specifying HelperFunctions name.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Core

Supported in: 1.0, 1.1, 2.0

.NET Standard

Supported in: 2.0

Xamarin.Android

Supported in: 7.1

Portable Class Library

Supported in: Portable Class Library