UserDefinedDataTypeCollection-Klasse
The UserDefinedDataTypeCollection class represents a collection of UserDefinedDataType objects that represent all the user-defined data types 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.UserDefinedDataTypeCollection
Namespace: Microsoft.SqlServer.Management.Smo
Assembly: Microsoft.SqlServer.Smo (in Microsoft.SqlServer.Smo.dll)
Syntax
'Declaration
Public NotInheritable Class UserDefinedDataTypeCollection _
Inherits SchemaCollectionBase
'Usage
Dim instance As UserDefinedDataTypeCollection
public sealed class UserDefinedDataTypeCollection : SchemaCollectionBase
public ref class UserDefinedDataTypeCollection sealed : public SchemaCollectionBase
[<SealedAttribute>]
type UserDefinedDataTypeCollection =
class
inherit SchemaCollectionBase
end
public final class UserDefinedDataTypeCollection extends SchemaCollectionBase
Der UserDefinedDataTypeCollection-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 UserDefinedDataType object in the collection by index number. |
|
Item[String] | Gets a UserDefinedDataType object in the collection by name. |
|
Item[String, String] | Gets a UserDefinedDataType object in the collection by name and schema. |
|
Parent | Gets the Database object that is the parent of the UserDefinedDataType 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 UDT 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 beginning at the index value specified. |
|
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 UserDefinedDataTypeCollection collection 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 UserDefinedDataTypeCollection object can be used to gain access to a set of user-defined data types. You can use the Item property to return a specific UserDefinedDataType 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.