VariableClass 类
此 API 支持 SQL Server 2012 基础结构,但不能通过代码直接使用。
Represents a variable class.
继承层次结构
System.Object
Microsoft.SqlServer.Dts.Runtime.Wrapper.VariableClass
命名空间: Microsoft.SqlServer.Dts.Runtime.Wrapper
程序集: Microsoft.SqlServer.DTSRuntimeWrap(在 Microsoft.SqlServer.DTSRuntimeWrap.dll 中)
语法
声明
<GuidAttribute("C64721A7-4947-4055-8BDD-9044EB2DD3D2")> _
<ClassInterfaceAttribute(ClassInterfaceType.None)> _
Public Class VariableClass _
Implements Variable, IDTSVariable100, IDTSExpression100, IDTSName100, _
IDTSPersist100, IDTSRuntimeObject100
用法
Dim instance As VariableClass
[GuidAttribute("C64721A7-4947-4055-8BDD-9044EB2DD3D2")]
[ClassInterfaceAttribute(ClassInterfaceType.None)]
public class VariableClass : Variable,
IDTSVariable100, IDTSExpression100, IDTSName100, IDTSPersist100, IDTSRuntimeObject100
[GuidAttribute(L"C64721A7-4947-4055-8BDD-9044EB2DD3D2")]
[ClassInterfaceAttribute(ClassInterfaceType::None)]
public ref class VariableClass : Variable,
IDTSVariable100, IDTSExpression100, IDTSName100, IDTSPersist100, IDTSRuntimeObject100
[<GuidAttribute("C64721A7-4947-4055-8BDD-9044EB2DD3D2")>]
[<ClassInterfaceAttribute(ClassInterfaceType.None)>]
type VariableClass =
class
interface Variable
interface IDTSVariable100
interface IDTSExpression100
interface IDTSName100
interface IDTSPersist100
interface IDTSRuntimeObject100
end
public class VariableClass implements Variable, IDTSVariable100, IDTSExpression100, IDTSName100, IDTSPersist100, IDTSRuntimeObject100
VariableClass 类型公开以下成员。
构造函数
名称 | 说明 | |
---|---|---|
VariableClass | 基础结构。Initializes a new instance of the VariableClass class. |
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属性
名称 | 说明 | |
---|---|---|
CreationName | 基础结构。Gets the string that the runtime engine gives when it creates an instance of the VariableClass object. | |
DataType | 基础结构。Gets the data type of the variable. | |
Description | 基础结构。Gets or sets the description for the variable class. | |
EvaluateAsExpression | 基础结构。Gets or sets a value that indicates whether the variable contains an expression. | |
Expression | 基础结构。Gets or sets the expression contained in the variable class. | |
ID | 基础结构。The identifier of the variable. | |
IncludeInDebugDump | Gets or sets a value that specifies whether the variable value is included in the debug dump files. | |
Name | 基础结构。Gets or sets the name of the variable. | |
Namespace | 基础结构。Gets or sets the namespace that the variable class belongs to. | |
Parent | 基础结构。Gets or sets the parent of the variable class. | |
QualifiedName | 基础结构。Gets the fully qualified name of the variable, including the namespace. | |
RaiseChangedEvent | 基础结构。Gets or sets a value that indicates whether the variable class has been flagged to raise the OnVariableValueChanged event. | |
ReadOnly | 基础结构。Gets or sets a value that indicates whether the variable class is read-only and cannot have its value modified. | |
SystemVariable | 基础结构。Gets a value that indicates whether the variable class is a system variable. | |
Value | 基础结构。Gets or sets the value assigned to the variable. |
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方法
名称 | 说明 | |
---|---|---|
Equals | (从 Object 继承。) | |
Finalize | (从 Object 继承。) | |
GetHashCode | (从 Object 继承。) | |
GetType | (从 Object 继承。) | |
GetValueWithContext | 基础结构。Returns a value of the variable class with a specified context. | |
LoadFromXML | 基础结构。Loads a package to a XML format. | |
MemberwiseClone | (从 Object 继承。) | |
SaveToXML | 基础结构。Saves the package to a XML format. | |
ToString | (从 Object 继承。) |
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线程安全
此类型的任何公共 static(在 Visual Basic 中为 Shared) 成员都是线程安全的。不保证所有实例成员都是线程安全的。