UserDefinedTypeCollection-Klasse
The UserDefinedTypeCollection class represents a collection of UserDefinedType objects that represent all the alias data types that are defined on a table.
Vererbungshierarchie
System.Object
Microsoft.SqlServer.Management.Smo.AbstractCollectionBase
Microsoft.SqlServer.Management.Smo.SmoCollectionBase
Microsoft.SqlServer.Management.Smo.SortedListCollectionBase
Microsoft.SqlServer.Management.Smo.SchemaCollectionBase
Microsoft.SqlServer.Management.Smo.UserDefinedTypeCollection
Namespace: Microsoft.SqlServer.Management.Smo
Assembly: Microsoft.SqlServer.Smo (in Microsoft.SqlServer.Smo.dll)
Syntax
'Declaration
Public NotInheritable Class UserDefinedTypeCollection _
Inherits SchemaCollectionBase
'Usage
Dim instance As UserDefinedTypeCollection
public sealed class UserDefinedTypeCollection : SchemaCollectionBase
public ref class UserDefinedTypeCollection sealed : public SchemaCollectionBase
[<SealedAttribute>]
type UserDefinedTypeCollection =
class
inherit SchemaCollectionBase
end
public final class UserDefinedTypeCollection extends SchemaCollectionBase
Der UserDefinedTypeCollection-Typ macht folgende Elemente verfügbar.
Eigenschaften
| Name | Beschreibung | |
|---|---|---|
.gif "Öffentliche Eigenschaft") |
Count | Gets the number of objects in the referenced collection. (Geerbt von SmoCollectionBase.) |
|
IsSynchronized | Gets the Boolean property value that specifies whether access to the collection is synchronized and therefore thread-safe. (Geerbt von SmoCollectionBase.) |
|
Item[Int32] | Gets a UserDefinedType object in the collection by index number. |
|
Item[String] | Gets a UserDefinedType object in the collection by name. |
|
Item[String, String] | Gets a UserDefinedType object in the collection by name and schema. |
|
Parent | Gets the Database object that is the parent of the UserDefinedType object. |
|
SyncRoot | Gets an object that can be used to synchronize access to the collection. (Geerbt von SmoCollectionBase.) |
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Methoden
| Name | Beschreibung | |
|---|---|---|
.gif "Öffentliche Methode") |
Add | Adds a user-defined type to the collection. |
.gif "Geschützte Methode") |
AddExisting | Adds an object to the collection. (Geerbt von AbstractCollectionBase.) |
|
Contains(String) | Validates whether the parameter collection contains a member with a name equal to the specified string. (Geerbt von SchemaCollectionBase.) |
|
Contains(String, String) | Validates whether the parameter collection contains a member with a name equal to the specified string and with the specified schema. (Geerbt von SchemaCollectionBase.) |
|
CopyTo | Copies the collection objects to a one-dimensional array starting at the specified index value. |
|
Equals | (Geerbt von Object.) |
|
GetEnumerator | Returns an IEnumerator interface that allows you to iterate through the objects in the collection. (Geerbt von SmoCollectionBase.) |
|
GetHashCode | (Geerbt von Object.) |
|
GetType | (Geerbt von Object.) |
|
ItemById | Extracts a member from the UserDefinedTypeCollection collection by using a system-defined, unique identifier. |
|
Refresh() | Refreshes the referenced collection. (Geerbt von SmoCollectionBase.) |
|
Refresh(Boolean) | Refreshes the referenced collection with the option to refresh child objects of the referenced collection. (Geerbt von SmoCollectionBase.) |
|
ToString | (Geerbt von Object.) |
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Felder
| Name | Beschreibung | |
|---|---|---|
.gif "Geschütztes Feld") |
initialized | This value supports the SMO infrastructure and is not intended to be used directly from your code. (Geerbt von AbstractCollectionBase.) |
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Explizite Schnittstellenimplementierungen
| Name | Beschreibung | |
|---|---|---|
.gif "Explizite Schnittstellenimplementierung") .gif "Private Methode") |
ICollection.CopyTo | Copies the elements from an instance to an array beginning at the index indicated. (Geerbt von SmoCollectionBase.) |
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Hinweise
A UserDefinedTypeCollection object can be used to gain access to a set of alias data types. You can use the Item property to return a specific UserDefinedType object.
Thread Safety
Alle öffentlichen, statischen Elemente dieses Typs (Shared in Microsoft Visual Basic) sind für Vorgänge mit mehreren Threads sicher. Bei Instanzmembern ist die Threadsicherheit nicht gewährleistet.
Beispiele
Threadsicherheit
Alle öffentlichen static (Shared in Visual Basic)-Elemente dieses Typs sind Threadsicher. Für Instanzelemente wird die Threadsicherheit nicht gewährleistet.