ScriptComponentHost 类
此 API 支持 SQL Server 2012 基础结构，但不能通过代码直接使用。
Represents the host for the script component.
继承层次结构
System.Object
Microsoft.SqlServer.Dts.Pipeline.PipelineComponent
Microsoft.SqlServer.Dts.Pipeline.ScriptComponentHost
命名空间： Microsoft.SqlServer.Dts.Pipeline
程序集： Microsoft.SqlServer.TxScript（在 Microsoft.SqlServer.TxScript.dll 中）
语法
声明
Public Class ScriptComponentHost _
Inherits PipelineComponent _
Implements IVSTAScriptComponentUI
用法
Dim instance As ScriptComponentHost
public class ScriptComponentHost : PipelineComponent,
IVSTAScriptComponentUI
public ref class ScriptComponentHost : public PipelineComponent,
IVSTAScriptComponentUI
type ScriptComponentHost =
class
inherit PipelineComponent
interface IVSTAScriptComponentUI
end
public class ScriptComponentHost extends PipelineComponent implements IVSTAScriptComponentUI
ScriptComponentHost 类型公开以下成员。
构造函数
| 名称 | 说明 | |
|---|---|---|
.gif "公共方法") |
ScriptComponentHost | 基础结构。Initializes a new instance of the ScriptComponentHost class. |
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属性
| 名称 | 说明 | |
|---|---|---|
.gif "公共属性") |
BufferManager | Gets the IDTSBufferManager100 of the pipeline component. （从 PipelineComponent 继承。） |
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ComponentMetaData | Gets the IDTSComponentMetaData100 for a component. （从 PipelineComponent 继承。） |
|
CurrentScriptingEngine | 基础结构。Gets the current scripting engine. |
|
ErrorSupport | Returns an ErrorSupport object that lets the component raise errors, warnings, or other information events based on HRESULTs returned by Integration Services components written in native code. （从 PipelineComponent 继承。） |
|
EventInfos | Gets the IDTSEventInfos100 collection of the PipelineComponent object. （从 PipelineComponent 继承。） |
|
LogEntryInfos | Gets an IDTSLogEntryInfos100 collection of logging events that the component has registered. （从 PipelineComponent 继承。） |
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ProjectTemplatePath | 基础结构。Gets the path of the current template. |
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ReferenceTracker | Gets the IDTSObjectReferenceTracker100 associated with the component. （从 PipelineComponent 继承。） |
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VariableDispenser | Gets the IDTSVariableDispenser100 of the data flow component. （从 PipelineComponent 继承。） |
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方法
| 名称 | 说明 | |
|---|---|---|
|
AcquireConnections | 基础结构。Acquires connection for ScriptComponentHost. （覆盖 PipelineComponent.AcquireConnections(Object)。） |
|
AddErrorOutput | Adds an IDTSOutput100 object and marks it as an error output by setting the IsErrorOut property to true. （从 PipelineComponent 继承。） |
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Cleanup | 基础结构。Performs a component host cleanup. （覆盖 PipelineComponent.Cleanup()。） |
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CloseIDE | 基础结构。Closes the IDE for the ScriptComponentHost. |
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CreateNewProject | 基础结构。Creates a new ScriptComponentHost project. |
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DeleteExternalMetadataColumn | Deletes the external metadata column at the specified index from the collection of external metadata columns. （从 PipelineComponent 继承。） |
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DeleteInput | Deletes an IDTSInput100 object from the IDTSInputCollection100 collection. （从 PipelineComponent 继承。） |
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DeleteOutput | Deletes an IDTSOutput100 object from the IDTSOutputCollection100 collection. （从 PipelineComponent 继承。） |
|
DeleteOutputColumn | Deletes an IDTSOutputColumn100 object from the IDTSOutputColumnCollection100 collection. （从 PipelineComponent 继承。） |
|
DescribeRedirectedErrorCode | Provides error code information for a PipelineBuffer row added to an output buffer. （从 PipelineComponent 继承。） |
|
Equals | （从 Object 继承。） |
.gif "受保护方法") |
Finalize | （从 Object 继承。） |
|
GetBinaryCode | 基础结构。Gets the collection of binary codes. |
|
GetDependentInputs | Returns a collection of the input IDs of inputs that are waiting for more data, and thus are blocking the specified input. （从 PipelineComponent 继承。） |
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GetErrorOutputInfo | Returns the index and ID of the error output of the component. （从 PipelineComponent 继承。） |
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GetHashCode | （从 Object 继承。） |
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GetType | （从 Object 继承。） |
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GetUniqueVSTAProjectName | 基础结构。Gets the unique VSTA project name. |
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Initialize | When overridden in a derived class, initializes a new instance of a custom data flow component. （从 PipelineComponent 继承。） |
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InsertExternalMetadataColumnAt | Inserts a new external metadata column into the collection of external metadata columns at the specified index. （从 PipelineComponent 继承。） |
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InsertInput | 基础结构。Inserts input for the ScriptComponentHost. （覆盖 PipelineComponent.InsertInput(DTSInsertPlacement, Int32)。） |
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InsertOutput | 基础结构。Inserts a new output to the ScriptComponentHost. （覆盖 PipelineComponent.InsertOutput(DTSInsertPlacement, Int32)。） |
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InsertOutputColumnAt | 基础结构。Inserts an output at a specified column index. （覆盖 PipelineComponent.InsertOutputColumnAt(Int32, Int32, String, String)。） |
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IsInputReady | Determines which of the inputs attached to a component are waiting for more data, and which have enough data to process and are blocked. （从 PipelineComponent 继承。） |
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LoadScriptFromComponent | 基础结构。Loads script from component. |
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MapInputColumn | Establishes a relationship between an input column and a corresponding external metadata column. （从 PipelineComponent 继承。） |
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MapOutputColumn | Establishes a relationship between an output column and a corresponding external metadata column. （从 PipelineComponent 继承。） |
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MemberwiseClone | （从 Object 继承。） |
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OnDeletingInputColumn | Deletes an IDTSInputColumn100 object from the IDTSInputColumnCollection100. （从 PipelineComponent 继承。） |
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OnInputPathAttached | Called when an IDTSInput100 object is connected to the component through the IDTSPath100 interface. （从 PipelineComponent 继承。） |
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OnInputPathDetached | Called when an IDTSInput100 object is disconnected from the component through the IDTSPath100 interface. （从 PipelineComponent 继承。） |
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OnOutputPathAttached | Called when an IDTSOutput100 object of the component is attached to a downstream component. （从 PipelineComponent 继承。） |
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PerformUpgrade | 基础结构。Performs a ScriptComponentHost upgrade. （覆盖 PipelineComponent.PerformUpgrade(Int32)。） |
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PostExecute | 基础结构。Specifies the ScriptComponentHost after execution. （覆盖 PipelineComponent.PostExecute()。） |
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PreExecute | 基础结构。Specifies the ScriptComponentHost before execution. （覆盖 PipelineComponent.PreExecute()。） |
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PrepareForExecute | 基础结构。Prepares the ScriptComponentHost before execution. （覆盖 PipelineComponent.PrepareForExecute()。） |
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PrimeOutput | 基础结构。Specifies the prime output for the ScriptComponentHost. （覆盖 PipelineComponent.PrimeOutput(Int32, array<Int32[], array<PipelineBuffer[])。） |
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ProcessInput | 基础结构。Processes the ScriptComponentHost input. （覆盖 PipelineComponent.ProcessInput(Int32, PipelineBuffer)。） |
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ProvideComponentProperties | 基础结构。Provides properties for the ScriptComponentHost. （覆盖 PipelineComponent.ProvideComponentProperties()。） |
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PutBinaryCode | 基础结构。Puts binary codes in the ScriptComponentHost. |
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PutSourceCode | 基础结构。Puts source code to the ScriptComponentHost. |
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RegisterEvents | When you are developing a custom data flow component, you override this method to create custom events. （从 PipelineComponent 继承。） |
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RegisterLogEntries | 基础结构。Registers log entries for the ScriptComponentHost. （覆盖 PipelineComponent.RegisterLogEntries()。） |
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ReinitializeMetaData | Repairs any errors identified during validation that cause the component to return VS_NEEDSNEWMETADATA at design time. （从 PipelineComponent 继承。） |
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ReleaseConnections | 基础结构。Releases connection for the host. （覆盖 PipelineComponent.ReleaseConnections()。） |
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RemoveAllInputsOutputsAndCustomProperties | Deletes each IDTSInput100 and IDTSOutput100 object from the component. （从 PipelineComponent 继承。） |
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SaveScriptProject | 基础结构。Saves the ScriptComponentHost script project. |
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SetComponentProperty | 基础结构。Sets the component property of the host. （覆盖 PipelineComponent.SetComponentProperty(String, Object)。） |
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SetExternalMetadataColumnDataTypeProperties | Sets the data type properties of the specified external metadata column. （从 PipelineComponent 继承。） |
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SetExternalMetadataColumnProperty | Sets an individual property of an external metadata column. （从 PipelineComponent 继承。） |
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SetInputColumnProperty | Assigns a value to the IDTSCustomProperty100 of an IDTSInputColumn100 object. （从 PipelineComponent 继承。） |
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SetInputProperty | Assigns a value to the IDTSCustomProperty100 of an IDTSInput100 object. （从 PipelineComponent 继承。） |
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SetOutputColumnDataTypeProperties | 基础结构。Sets the output column data type property for the component host. （覆盖 PipelineComponent.SetOutputColumnDataTypeProperties(Int32, Int32, DataType, Int32, Int32, Int32, Int32)。） |
|
SetOutputColumnProperty | Sets the value of an IDTSCustomProperty100 for an IDTSOutputColumn100 object. （从 PipelineComponent 继承。） |
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SetOutputProperty | Sets the value of an IDTSCustomProperty100 on an IDTSOutput100 object. （从 PipelineComponent 继承。） |
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SetUsageType | Creates an IDTSInputColumn100 object in the IDTSInputColumnCollection100 of the component and sets the UsageType property of the column. （从 PipelineComponent 继承。） |
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ShowIDE | 基础结构。Shows the IDE for the Component host. |
|
ToString | （从 Object 继承。） |
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Validate | 基础结构。Validates the component host. （覆盖 PipelineComponent.Validate()。） |
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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。