Guard.ArgumentNotNull(Object, String) Method

Ensures that a specific argument is not a null reference.

Namespace: DevExpress.ExpressApp.Utils

Assembly: DevExpress.ExpressApp.v24.2.dll

NuGet Package: DevExpress.ExpressApp

Declaration

C#

public static void ArgumentNotNull(
    object argumentValue,
    string argumentName
)

VB.NET

Public Shared Sub ArgumentNotNull(
    argumentValue As Object,
    argumentName As String
)

Parameters

Name	Type	Description
argumentValue	Object	An object representing the actual value of the argument to check.
argumentName	String	A string holding the name of the argument to check.

Remarks

If the specified object is a null reference, an exception is thrown.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the ArgumentNotNull(Object, String) method.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

xaf-how-to-use-the-file-attachment-module-with-a-legacy-database/CS/CustomFileDataSolution.Module/BusinessObjects/InplaceFileData.cs#L36

public void LoadFromStream(string fileName, Stream stream) {
    Guard.ArgumentNotNull(stream, "stream");
    Guard.ArgumentNotNullOrEmpty(fileName, "fileName");

xaf-web-forms-use-oauth2-authentication-providers/CS/MySolution.Web/Security/OAuthProvider.cs#L19

public OAuthProvider(Type userType, SecurityStrategyComplex security) {
    Guard.ArgumentNotNull(userType, "userType");
    this.userType = userType;

VB.NET

xaf-how-to-use-the-file-attachment-module-with-a-legacy-database/VB/CustomFileDataSolution.Module/BusinessObjects/InplaceFileData.vb#L41

Public Sub LoadFromStream(ByVal fileName As String, ByVal stream As Stream) Implements IFileData.LoadFromStream
    Guard.ArgumentNotNull(stream, "stream")
    Guard.ArgumentNotNullOrEmpty(fileName, "fileName")

xaf-web-forms-use-oauth2-authentication-providers/VB/MySolution.Web/Security/OAuthProvider.vb#L21

Public Sub New(ByVal userType As Type, ByVal security As SecurityStrategyComplex)
    Guard.ArgumentNotNull(userType, "userType")
    Me.userType = userType