Návod: Vytvoření vlastního hostitele textových šablon
Hostiteltextové šablony poskytuje prostředí, které umožňuje spuštění stroje pro transformaci textových šablon.Tento hostitel se stará o interakce stroje se systémem souborů.Stroj, neboli procesor direktiv, který potřebuje soubor nebo sestavení, si může od hostitele vyžádat prostředek.Hostitel pak může požadovaný prostředek najít prohledáním adresáře a globální mezipaměti sestavení (GAC).Další informace naleznete v tématu Proces transformace textových šablon.
Pokud chcete funkčnost transformace textových šablon použít mimo Visual Studio nebo ji integrovat do vlastních nástrojů, můžete vytvořit vlastního hostitele.Při vytváření vlastního hostitele je nutné vytvořit třídu, která dědí z třídy ITextTemplatingEngineHost.Dokumentaci jednotlivých metod naleznete v tématu ITextTemplatingEngineHost.
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Při vytváření rozšíření nebo balíčku sady Visual Studio uvažujte o tom, že místo vytvoření vlastního hostitele použijete službu šablonování textu.Další informace naleznete v tématu Volání transformací textu v rozšíření VS. |
Tento návod obsahuje následující úlohy:
Vytvoření vlastního hostitele textových šablon
Testování vlastního hostitele
Požadavky
K dokončení tohoto návodu potřebujete:
Visual Studio 2010 nebo novější
Visual Studio SDK
Vytvoření vlastního hostitele textových šablon
V tomto návodu vytvoříte vlastního hostitele ve spustitelné aplikaci, kterou lze volat z příkazového řádku.Tato aplikace přijme jako argument soubor textové šablony, přečte tuto šablonu, zavolá stroj pro transformace šablony a v okně příkazového řádku zobrazí všechny chyby, ke kterým dojde.
Vytvoření vlastního hostitele
V sadě Visual Studio vytvořte novou konzolovou aplikaci jazyka Visual Basic nebo C# s názvem CustomHost.
Přidejte odkazy na následující sestavení:
Microsoft.VisualStudio.TextTemplating.*.0
Microsoft.VisualStudio.TextTemplating.Interfaces.10.0 a novější verze
Kód v souboru Program.cs nebo Module1.vb nahraďte následujícím kódem:
using System; using System.IO; using System.CodeDom.Compiler; using System.Collections.Generic; using System.Text; using Microsoft.VisualStudio.TextTemplating; namespace CustomHost { //The text template transformation engine is responsible for running //the transformation process. //The host is responsible for all input and output, locating files, //and anything else related to the external environment. //------------------------------------------------------------------------- class CustomCmdLineHost : ITextTemplatingEngineHost { //the path and file name of the text template that is being processed //--------------------------------------------------------------------- internal string TemplateFileValue; public string TemplateFile { get { return TemplateFileValue; } } //This will be the extension of the generated text output file. //The host can provide a default by setting the value of the field here. //The engine can change this value based on the optional output directive //if the user specifies it in the text template. //--------------------------------------------------------------------- private string fileExtensionValue = ".txt"; public string FileExtension { get { return fileExtensionValue; } } //This will be the encoding of the generated text output file. //The host can provide a default by setting the value of the field here. //The engine can change this value based on the optional output directive //if the user specifies it in the text template. //--------------------------------------------------------------------- private Encoding fileEncodingValue = Encoding.UTF8; public Encoding FileEncoding { get { return fileEncodingValue; } } //These are the errors that occur when the engine processes a template. //The engine passes the errors to the host when it is done processing, //and the host can decide how to display them. For example, the host //can display the errors in the UI or write them to a file. //--------------------------------------------------------------------- private CompilerErrorCollection errorsValue; public CompilerErrorCollection Errors { get { return errorsValue; } } //The host can provide standard assembly references. //The engine will use these references when compiling and //executing the generated transformation class. //-------------------------------------------------------------- public IList<string> StandardAssemblyReferences { get { return new string[] { //If this host searches standard paths and the GAC, //we can specify the assembly name like this. //--------------------------------------------------------- //"System" //Because this host only resolves assemblies from the //fully qualified path and name of the assembly, //this is a quick way to get the code to give us the //fully qualified path and name of the System assembly. //--------------------------------------------------------- typeof(System.Uri).Assembly.Location }; } } //The host can provide standard imports or using statements. //The engine will add these statements to the generated //transformation class. //-------------------------------------------------------------- public IList<string> StandardImports { get { return new string[] { "System" }; } } //The engine calls this method based on the optional include directive //if the user has specified it in the text template. //This method can be called 0, 1, or more times. //--------------------------------------------------------------------- //The included text is returned in the context parameter. //If the host searches the registry for the location of include files, //or if the host searches multiple locations by default, the host can //return the final path of the include file in the location parameter. //--------------------------------------------------------------------- public bool LoadIncludeText(string requestFileName, out string content, out string location) { content = System.String.Empty; location = System.String.Empty; //If the argument is the fully qualified path of an existing file, //then we are done. //---------------------------------------------------------------- if (File.Exists(requestFileName)) { content = File.ReadAllText(requestFileName); return true; } //This can be customized to search specific paths for the file. //This can be customized to accept paths to search as command line //arguments. //---------------------------------------------------------------- else { return false; } } //Called by the Engine to enquire about //the processing options you require. //If you recognize that option, return an //appropriate value. //Otherwise, pass back NULL. //-------------------------------------------------------------------- public object GetHostOption(string optionName) { object returnObject; switch (optionName) { case "CacheAssemblies": returnObject = true; break; default: returnObject = null; break; } return returnObject; } //The engine calls this method to resolve assembly references used in //the generated transformation class project and for the optional //assembly directive if the user has specified it in the text template. //This method can be called 0, 1, or more times. //--------------------------------------------------------------------- public string ResolveAssemblyReference(string assemblyReference) { //If the argument is the fully qualified path of an existing file, //then we are done. (This does not do any work.) //---------------------------------------------------------------- if (File.Exists(assemblyReference)) { return assemblyReference; } //Maybe the assembly is in the same folder as the text template that //called the directive. //---------------------------------------------------------------- string candidate = Path.Combine(Path.GetDirectoryName(this.TemplateFile), assemblyReference); if (File.Exists(candidate)) { return candidate; } //This can be customized to search specific paths for the file //or to search the GAC. //---------------------------------------------------------------- //This can be customized to accept paths to search as command line //arguments. //---------------------------------------------------------------- //If we cannot do better, return the original file name. return ""; } //The engine calls this method based on the directives the user has //specified in the text template. //This method can be called 0, 1, or more times. //--------------------------------------------------------------------- public Type ResolveDirectiveProcessor(string processorName) { //This host will not resolve any specific processors. //Check the processor name, and if it is the name of a processor the //host wants to support, return the type of the processor. //--------------------------------------------------------------------- if (string.Compare(processorName, "XYZ", StringComparison.OrdinalIgnoreCase) == 0) { //return typeof(); } //This can be customized to search specific paths for the file //or to search the GAC //If the directive processor cannot be found, throw an error. throw new Exception("Directive Processor not found"); } //A directive processor can call this method if a file name does not //have a path. //The host can attempt to provide path information by searching //specific paths for the file and returning the file and path if found. //This method can be called 0, 1, or more times. //--------------------------------------------------------------------- public string ResolvePath(string fileName) { if (fileName == null) { throw new ArgumentNullException("the file name cannot be null"); } //If the argument is the fully qualified path of an existing file, //then we are done //---------------------------------------------------------------- if (File.Exists(fileName)) { return fileName; } //Maybe the file is in the same folder as the text template that //called the directive. //---------------------------------------------------------------- string candidate = Path.Combine(Path.GetDirectoryName(this.TemplateFile), fileName); if (File.Exists(candidate)) { return candidate; } //Look more places. //---------------------------------------------------------------- //More code can go here... //If we cannot do better, return the original file name. return fileName; } //If a call to a directive in a text template does not provide a value //for a required parameter, the directive processor can try to get it //from the host by calling this method. //This method can be called 0, 1, or more times. //--------------------------------------------------------------------- public string ResolveParameterValue(string directiveId, string processorName, string parameterName) { if (directiveId == null) { throw new ArgumentNullException("the directiveId cannot be null"); } if (processorName == null) { throw new ArgumentNullException("the processorName cannot be null"); } if (parameterName == null) { throw new ArgumentNullException("the parameterName cannot be null"); } //Code to provide "hard-coded" parameter values goes here. //This code depends on the directive processors this host will interact with. //If we cannot do better, return the empty string. return String.Empty; } //The engine calls this method to change the extension of the //generated text output file based on the optional output directive //if the user specifies it in the text template. //--------------------------------------------------------------------- public void SetFileExtension(string extension) { //The parameter extension has a '.' in front of it already. //-------------------------------------------------------- fileExtensionValue = extension; } //The engine calls this method to change the encoding of the //generated text output file based on the optional output directive //if the user specifies it in the text template. //---------------------------------------------------------------------- public void SetOutputEncoding(System.Text.Encoding encoding, bool fromOutputDirective) { fileEncodingValue = encoding; } //The engine calls this method when it is done processing a text //template to pass any errors that occurred to the host. //The host can decide how to display them. //--------------------------------------------------------------------- public void LogErrors(CompilerErrorCollection errors) { errorsValue = errors; } //This is the application domain that is used to compile and run //the generated transformation class to create the generated text output. //---------------------------------------------------------------------- public AppDomain ProvideTemplatingAppDomain(string content) { //This host will provide a new application domain each time the //engine processes a text template. //------------------------------------------------------------- return AppDomain.CreateDomain("Generation App Domain"); //This could be changed to return the current appdomain, but new //assemblies are loaded into this AppDomain on a regular basis. //If the AppDomain lasts too long, it will grow indefintely, //which might be regarded as a leak. //This could be customized to cache the application domain for //a certain number of text template generations (for example, 10). //This could be customized based on the contents of the text //template, which are provided as a parameter for that purpose. } } //This will accept the path of a text template as an argument. //It will create an instance of the custom host and an instance of the //text templating transformation engine, and will transform the //template to create the generated text output file. //------------------------------------------------------------------------- class Program { static void Main(string[] args) { try { ProcessTemplate(args); } catch (Exception ex) { Console.WriteLine(ex.Message); } } static void ProcessTemplate(string[] args) { string templateFileName = null; if (args.Length == 0) { throw new System.Exception("you must provide a text template file path"); } templateFileName = args[0]; if (templateFileName == null) { throw new ArgumentNullException("the file name cannot be null"); } if (!File.Exists(templateFileName)) { throw new FileNotFoundException("the file cannot be found"); } CustomCmdLineHost host = new CustomCmdLineHost(); Engine engine = new Engine(); host.TemplateFileValue = templateFileName; //Read the text template. string input = File.ReadAllText(templateFileName); //Transform the text template. string output = engine.ProcessTemplate(input, host); string outputFileName = Path.GetFileNameWithoutExtension(templateFileName); outputFileName = Path.Combine(Path.GetDirectoryName(templateFileName), outputFileName); outputFileName = outputFileName + "1" + host.FileExtension; File.WriteAllText(outputFileName, output, host.FileEncoding); foreach (CompilerError error in host.Errors) { Console.WriteLine(error.ToString()); } } } }Imports System Imports System.IO Imports System.CodeDom.Compiler Imports System.Collections.Generic Imports System.Text Imports Microsoft.VisualStudio.TextTemplating Namespace CustomHost 'The text template transformation engine is responsible for running 'the transformation process. 'The host is responsible for all input and output, locating files, 'and anything else related to the external environment. '------------------------------------------------------------------------- Public Class CustomCmdLineHost Implements ITextTemplatingEngineHost 'the path and file name of the text template that is being processed '--------------------------------------------------------------------- Friend TemplateFileValue As String Public ReadOnly Property TemplateFile() As String Implements ITextTemplatingEngineHost.TemplateFile Get Return TemplateFileValue End Get End Property 'This will be the extension of the generated text output file. 'The host can provide a default by setting the value of the field here. 'The engine can change this based on the optional output directive 'if the user specifies it in the text template. '--------------------------------------------------------------------- Private fileExtensionValue As String = ".txt" Public ReadOnly Property FileExtension() As String Get Return fileExtensionValue End Get End Property 'This will be the encoding of the generated text output file. 'The host can provide a default by setting the value of the field here. 'The engine can change this value based on the optional output directive 'if the user specifies it in the text template. '--------------------------------------------------------------------- Private fileEncodingValue As Encoding = Encoding.UTF8 Public ReadOnly Property fileEncoding() As Encoding Get Return fileEncodingValue End Get End Property 'These are the errors that occur when the engine processes a template. 'The engine passes the errors to the host when it is done processing, 'and the host can decide how to display them. For example, the host 'can display the errors in the UI or write them to a file. '--------------------------------------------------------------------- Private errorsValue As CompilerErrorCollection Public ReadOnly Property Errors() As CompilerErrorCollection Get Return errorsValue End Get End Property 'The host can provide standard assembly references. 'The engine will use these references when compiling and 'executing the generated transformation class. '-------------------------------------------------------------- Public ReadOnly Property StandardAssemblyReferences() As IList(Of String) Implements ITextTemplatingEngineHost.StandardAssemblyReferences Get 'If this host searches standard paths and the GAC, 'we can specify the assembly name like this. '--------------------------------------------------------- 'Return New String() {"System"} 'Because this host only resolves assemblies from the 'fully qualified path and name of the assembly, 'this is a quick way to get the code to give us the 'fully qualified path and name of the System assembly. '--------------------------------------------------------- Return New String() {(New System.UriBuilder()).GetType().Assembly.Location} End Get End Property 'The host can provide standard imports or imports statements. 'The engine will add these statements to the generated 'transformation class. '-------------------------------------------------------------- Public ReadOnly Property StandardImports() As IList(Of String) Implements ITextTemplatingEngineHost.StandardImports Get Return New String() {"System"} End Get End Property ' Called by the Engine to enquire about ' the processing options you require. ' If you recognize that option, return an ' appropriate value. ' Otherwise, pass back NULL. '-------------------------------------------------------------------- Public Function GetHostOption(ByVal optionName As String) As Object Implements ITextTemplatingEngineHost.GetHostOption Dim returnObject As Object Select Case optionName Case "CacheAssemblies" returnObject = True Case Else returnObject = False End Select Return returnObject End Function 'The engine calls this method based on the optional include directive 'if the user has specified it in the text template. 'This method can be called 0, 1, or more times. '--------------------------------------------------------------------- 'The included text is returned in the context parameter. 'If the host searches the registry for the location of include files 'or if the host searches multiple locations by default, the host can 'return the final path of the include file in the location parameter. '--------------------------------------------------------------------- Public Function LoadIncludeText(ByVal requestFileName As String, ByRef content As String, ByRef location As String) As Boolean Implements ITextTemplatingEngineHost.LoadIncludeText content = System.String.Empty location = System.String.Empty 'If the argument is the fully qualified path of an existing file, 'then we are done. '---------------------------------------------------------------- If File.Exists(requestFileName) Then content = File.ReadAllText(requestFileName) Return True 'This can be customized to search specific paths for the file. 'This can be customized to accept paths to search as command line 'arguments. '---------------------------------------------------------------- Else Return False End If End Function 'The engine calls this method to resolve assembly references used in 'the generated transformation class project and for the optional 'assembly directive if the user has specified it in the text template. 'This method can be called 0, 1, or more times. '--------------------------------------------------------------------- Public Function ResolveAssemblyReference(ByVal assemblyReference As String) As String Implements ITextTemplatingEngineHost.ResolveAssemblyReference 'If the argument is the fully qualified path of an existing file, 'then we are done. (This does not do any work.) '---------------------------------------------------------------- If File.Exists(assemblyReference) Then Return assemblyReference End If 'Maybe the assembly is in the same folder as the text template that 'called the directive. '---------------------------------------------------------------- Dim candidate As String = Path.Combine(Path.GetDirectoryName(Me.TemplateFile), assemblyReference) If File.Exists(candidate) Then Return candidate End If 'This can be customized to search specific paths for the file, 'or to search the GAC. '---------------------------------------------------------------- 'This can be customized to accept paths to search as command line 'arguments. '---------------------------------------------------------------- 'If we cannot do better, return the original file name. Return "" End Function 'The engine calls this method based on the directives the user has 'specified in the text template. 'This method can be called 0, 1, or more times. '--------------------------------------------------------------------- Public Function ResolveDirectiveProcessor(ByVal processorName As String) As System.Type Implements ITextTemplatingEngineHost.ResolveDirectiveProcessor 'This host will not resolve any specific processors. 'Check the processor name, and if it is the name of a processor the 'host wants to support, return the type of the processor. '--------------------------------------------------------------------- If String.Compare(processorName, "XYZ", StringComparison.InvariantCultureIgnoreCase) = 0 Then 'return typeof() End If 'This can be customized to search specific paths for the file, 'or to search the GAC. 'If the directive processor cannot be found, throw an error. Throw New Exception("Directive Processor not found") End Function 'A directive processor can call this method if a file name does not 'have a path. 'The host can attempt to provide path information by searching 'specific paths for the file and returning the file and path if found. 'This method can be called 0, 1, or more times. '--------------------------------------------------------------------- Public Function ResolvePath(ByVal fileName As String) As String Implements ITextTemplatingEngineHost.ResolvePath If fileName Is Nothing Then Throw New ArgumentNullException("the file name cannot be null") End If 'If the argument is the fully qualified path of an existing file, 'then we are done. '---------------------------------------------------------------- If File.Exists(fileName) Then Return fileName End If 'Maybe the file is in the same folder as the text template that 'called the directive. '---------------------------------------------------------------- Dim candidate As String = Path.Combine(Path.GetDirectoryName(Me.TemplateFile), fileName) If File.Exists(candidate) Then Return candidate End If 'Look more places. '---------------------------------------------------------------- 'More code can go here... 'If we cannot do better, return the original file name Return fileName End Function 'If a call to a directive in a text template does not provide a value 'for a required parameter, the directive processor can try to get it 'from the host by calling this method. 'This method can be called 0, 1, or more times. '--------------------------------------------------------------------- Public Function ResolveParameterValue(ByVal directiveId As String, ByVal processorName As String, ByVal parameterName As String) As String Implements ITextTemplatingEngineHost.ResolveParameterValue If directiveId Is Nothing Then Throw New ArgumentNullException("the directiveId cannot be null") End If If processorName Is Nothing Then Throw New ArgumentNullException("the processorName cannot be null") End If If parameterName Is Nothing Then Throw New ArgumentNullException("the parameterName cannot be null") End If 'Code to provide "hard-coded" parameter values goes here. 'This code depends on the directive processors this host will interact with. 'If we cannot do better, return the empty string. Return String.Empty End Function 'The engine calls this method to change the extension of the 'generated text output file based on the optional output directive 'if the user specifies it in the text template. '--------------------------------------------------------------------- Public Sub SetFileExtension(ByVal extension As String) Implements ITextTemplatingEngineHost.SetFileExtension 'The parameter extension has a '.' in front of it already. '-------------------------------------------------------- fileExtensionValue = extension End Sub 'The engine calls this method to change the encoding of the 'generated text output file based on the optional output directive 'if the user specifies it in the text template. '--------------------------------------------------------------------- Public Sub SetOutputEncoding(ByVal encoding As System.Text.Encoding, ByVal fromOutputDirective As Boolean) Implements ITextTemplatingEngineHost.SetOutputEncoding fileEncodingValue = encoding End Sub 'The engine calls this method when it is done processing a text 'template to pass any errors that occurred to the host. 'The host can decide how to display them. '--------------------------------------------------------------------- Public Sub LogErrors(ByVal errors As System.CodeDom.Compiler.CompilerErrorCollection) Implements ITextTemplatingEngineHost.LogErrors errorsValue = errors End Sub 'This is the application domain that is used to compile and run 'the generated transformation class to create the generated text output. '---------------------------------------------------------------------- Public Function ProvideTemplatingAppDomain(ByVal content As String) As System.AppDomain Implements ITextTemplatingEngineHost.ProvideTemplatingAppDomain 'This host will provide a new application domain each time the 'engine processes a text template. '------------------------------------------------------------- Return AppDomain.CreateDomain("Generation App Domain") 'This could be changed to return the current appdomain, but new 'assemblies are loaded into this AppDomain on a regular basis. 'If the AppDomain lasts too long, it will grow indefintely, 'which might be regarded as a leak. 'This could be customized to cache the application domain for 'a certain number of text template generations (for example, 10). 'This could be customized based on the contents of the text 'template, which are provided as a parameter for that purpose. End Function End Class 'CustomCmdLineHost 'This will accept the path of a text template as an argument. 'It will create an instance of the custom host and an instance of the 'text templating transformation engine. It will also transform the 'template to create the generated text output file. '------------------------------------------------------------------------- Class Program Shared Sub Main(ByVal args As String()) Try ProcessTemplate(args) Catch ex As Exception Console.WriteLine(ex.Message) End Try End Sub Shared Sub ProcessTemplate(ByVal args As String()) Dim templateFileName As String = "" If args.Length = 0 Then Throw New System.Exception("you must provide a text template file path") End If templateFileName = args(0) If templateFileName Is Nothing Then Throw New ArgumentNullException("the file name cannot be null") End If If Not File.Exists(templateFileName) Then Throw New FileNotFoundException("the file cannot be found") End If Dim host As CustomCmdLineHost = New CustomCmdLineHost() Dim engine As Engine = New Engine() host.TemplateFileValue = templateFileName 'Read the text template. Dim input As String = File.ReadAllText(templateFileName) 'Transform the text template. Dim output As String = engine.ProcessTemplate(input, host) Dim outputFileName As String = Path.GetFileNameWithoutExtension(templateFileName) outputFileName = Path.Combine(Path.GetDirectoryName(templateFileName), outputFileName) outputFileName = outputFileName & "1" & host.FileExtension File.WriteAllText(outputFileName, output, host.fileEncoding) Dim e As CompilerError For Each e In host.Errors Console.WriteLine(e.ToString()) Next End Sub 'ProcessTemplate End Class 'Program End NamespacePouze pro jazyk Visual Basic: Otevřete nabídku Projekt a klikněte na příkaz Vlastnosti CustomHost.V seznamu Spouštěcí objekt klikněte na položku CustomHost.Program.
V nabídce Soubor klikněte na příkaz Uložit vše.
V nabídce Sestavení klikněte na příkaz Sestavit řešení.
Testování vlastního hostitele
Při testování vlastního hostitele napíšete textovou šablonu, spustíte vlastního hostitele, předáte mu název textové šablony a ověříte, že se tato šablona transformovala.
Vytvoření textové šablony pro testování vlastního hostitele
Vytvořte textový soubor s názvem TestTemplate.tt.
K vytvoření souboru lze použít libovolný textový editor (například Poznámkový blok).
Přidejte do souboru následující kód:
[!POZNÁMKA]
Programovací jazyk textové šablony se nemusí shodovat s jazykem vlastního hostitele.
Text Template Host Test <#@ template debug="true" #> <# //Uncomment this line to test that the host allows the engine to set the extension. #> <# //@ output extension=".htm" #> <# //Uncomment this line if you want to debug the generated transformation class. #> <# //System.Diagnostics.Debugger.Break(); #> <# for (int i=0; i<3; i++) { WriteLine("This is a test"); } #>Text Template Host Test <#@ template debug="true" language="VB"#> <# 'Uncomment this line to test that the host allows the engine to set the extension. #> <# '@ output extension=".htm" #> <# 'Uncomment this line if you want to debug the generated transformation class. #> <# 'System.Diagnostics.Debugger.Break() #> <# Dim i As Integer For i = 0 To 2 WriteLine("This is a test") Next #>Soubor uložte a zavřete.
Testování vlastního hostitele
Otevřete okno příkazového řádku.
Zadejte cestu ke spustitelnému souboru vlastního hostitele, ale zatím nemačkejte klávesu ENTER.
Zadejte například:
<YOUR PATH>CustomHost\bin\Debug\CustomHost.exe
[!POZNÁMKA]
Místo zadání adresy můžete soubor CustomHost.exe vyhledat v Průzkumníku Windows a poté tento soubor přetáhnout do okna příkazového řádku.
Zadejte mezeru.
Zadejte cestu k souboru textové šablony a stiskněte klávesu ENTER.
Zadejte například:
C:\<YOUR PATH>TestTemplate.tt
[!POZNÁMKA]
Místo zadání adresy můžete soubor TestTemplate.tt vyhledat v Průzkumníku Windows a poté tento soubor přetáhnout do okna příkazového řádku.
Aplikace vlastního hostitele se spustí a dokončí proces transformace textové šablony.
V Průzkumníku Windows přejděte do složky obsahující soubor TestTemplate.tt.
Tato složka obsahuje také soubor TestTemplate1.txt.
Otevřete tento soubor a podívejte se na výsledky transformace textové šablony.
Zobrazí se vygenerovaný textový výstup, který vypadá takto:
Text Template Host Test This is a test This is a test This is a test
Další kroky
V tomto návodu jste vytvořili hostitele transformace textových šablon, který podporuje základní funkce transformace.Tohoto hostitele můžete rozšířit tak, aby podporoval textové šablony, které volají vlastní nebo vygenerované procesory direktiv.Další informace naleznete v tématu Návod: Připojení hostitele k procesoru vygenerovaných direktiv.