XPDictionary.GetClassInfo(Type) Method

Returns the persistent class metadata information for the specified class type.

Namespace: DevExpress.Xpo.Metadata

Assembly: DevExpress.Xpo.v23.2.dll

NuGet Packages: DevExpress.Win.PivotGrid, DevExpress.Win.TreeMap, DevExpress.Xpo

NuGet Package: DevExpress.Xpo

Declaration

C#

public XPClassInfo GetClassInfo(
    Type classType
)

VB.NET

Public Function GetClassInfo(
    classType As Type
) As XPClassInfo

Parameters

Name	Type	Description
classType	Type	The class type.

Returns

Type	Description
XPClassInfo	The XPClassInfo for the specified class type.

Remarks

This method throws the CannotResolveClassInfoException whenever the metadata information cannot be obtained for the specified class type; for example, if the corresponding class does not implement IXPSimpleObject an exception is thrown.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the GetClassInfo(Type) 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#

winforms-filtercontrol-implement-ifilteredcomponent/CS/Q200298/Helper.cs#L127

XPDictionary dict = ((IXPDictionaryProvider)source).Dictionary;
XPClassInfo cInfo = dict.GetClassInfo(member.MemberType);
if (element == "!Key") element = cInfo.KeyProperty.Name;

XPO_how-to-define-a-persistent-class-at-runtime-e1139/CS/CreateClassAtRuntime/Program.cs#L16

XPDictionary dictionary = new ReflectionDictionary();
XPClassInfo myBaseClass = dictionary.GetClassInfo(typeof(MyBaseObject));
XPClassInfo myClassA = dictionary.CreateClass(myBaseClass, "MyObjectA");

XPO_how-to-generate-persistent-metadata-for-an-arbitrary-data-table-e2922/CS/MapArbitraryDatabaseExample/Program.cs#L37

    throw new NotSupportedException("Compound primary keys are not supported");
XPClassInfo classInfo = dict.CreateClass(dict.GetClassInfo(typeof(BasePersistentClass)), table.Name.Replace('.', '_'));
classInfo.AddAttribute(new PersistentAttribute(table.Name));

XPO_how-to-persist-metadata-e269/CS/MetadataObjects.cs#L57

else
    baseClassInfo = dictionary.GetClassInfo(GetDefaultBaseClass());
result = dictionary.CreateClass(baseClassInfo, Name);

XPO_how-to-implement-odata4-service-with-xpo/CS/ODataService/App_Start/WebApiConfig.cs#L39

foreach(var type in ConnectionHelper.GetPersistentTypes()) {
    XPClassInfo classInfo = dictionary.GetClassInfo(type);
    CreateEntitySet(classInfo, builder);

VB.NET

winforms-filtercontrol-implement-ifilteredcomponent/VB/Q200298/Helper.vb#L144

Dim dict As XPDictionary = CType(sourceField, IXPDictionaryProvider).Dictionary
Dim cInfo As XPClassInfo = dict.GetClassInfo(member.MemberType)
If Equals(element, "!Key") Then element = cInfo.KeyProperty.Name

XPO_how-to-persist-metadata-e269/VB/MetadataObjects.vb#L77

Else
    baseClassInfo = dictionary.GetClassInfo(GetDefaultBaseClass())
End If