XmlSchemaObject Class
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Represents the root class for the Xml schema object model hierarchy and serves as a base class for classes such as the XmlSchema class.
public ref class XmlSchemaObject abstract
public abstract class XmlSchemaObject
type XmlSchemaObject = class
Public MustInherit Class XmlSchemaObject
- Inheritance
-
XmlSchemaObject
- Derived
The following example displays each schema object.
#using <System.Xml.dll>
using namespace System;
using namespace System::IO;
using namespace System::Reflection;
using namespace System::Xml;
using namespace System::Xml::Schema;
ref class ValidXSD
{
private:
static void DisplayObjects(Object^ o)
{
DisplayObjects(o, "");
}
static void DisplayObjects(Object^ o, String^ indent)
{
Console::WriteLine("{0}{1}", indent, o);
for each (PropertyInfo^ property1 in o->GetType()->GetProperties())
{
if (property1->PropertyType->FullName == "System.Xml.Schema.XmlSchemaObjectCollection")
{
XmlSchemaObjectCollection^ childObjectCollection = dynamic_cast<XmlSchemaObjectCollection^>(property1->GetValue(o, nullptr));
for each (XmlSchemaObject^ schemaObject in childObjectCollection)
{
DisplayObjects(schemaObject, indent + "\t");
}
}
}
}
static void ShowCompileError(Object^ sender, ValidationEventArgs^ e)
{
Console::WriteLine("Validation Error: {0}", e->Message);
}
public:
static int Main()
{
String^ xsd = "example.xsd";
FileStream^ fs;
XmlSchema^ schema;
try
{
fs = gcnew FileStream(xsd, FileMode::Open);
schema = XmlSchema::Read(fs, gcnew ValidationEventHandler(ShowCompileError));
XmlSchemaSet^ schemaSet = gcnew XmlSchemaSet();
schemaSet->ValidationEventHandler += gcnew ValidationEventHandler(ShowCompileError);
schemaSet->Add(schema);
schemaSet->Compile();
XmlSchema^ compiledSchema = nullptr;
for each (XmlSchema^ schema1 in schemaSet->Schemas())
{
compiledSchema = schema1;
}
schema = compiledSchema;
if (schema->IsCompiled)
{
DisplayObjects(schema);
}
return 0;
}
catch (XmlSchemaException^ e)
{
Console::WriteLine("LineNumber = {0}", e->LineNumber);
Console::WriteLine("LinePosition = {0}", e->LinePosition);
Console::WriteLine("Message = {0}", e->Message);
Console::WriteLine("Source = {0}", e->Source);
return -1;
}
}
};
int main()
{
ValidXSD::Main();
return 0;
}
using System;
using System.Xml;
using System.Xml.Schema;
using System.IO;
using System.Reflection;
public class ValidXSD
{
public static int Main()
{
string xsd = "example.xsd";
FileStream fs;
XmlSchema schema;
try
{
fs = new FileStream(xsd, FileMode.Open);
schema = XmlSchema.Read(fs, new ValidationEventHandler(ShowCompileError));
XmlSchemaSet schemaSet = new XmlSchemaSet();
schemaSet.ValidationEventHandler += new ValidationEventHandler(ShowCompileError);
schemaSet.Add(schema);
schemaSet.Compile();
XmlSchema compiledSchema = null;
foreach (XmlSchema schema1 in schemaSet.Schemas())
{
compiledSchema = schema1;
}
schema = compiledSchema;
if (schema.IsCompiled)
{
DisplayObjects(schema);
}
return 0;
}
catch (XmlSchemaException e)
{
Console.WriteLine("LineNumber = {0}", e.LineNumber);
Console.WriteLine("LinePosition = {0}", e.LinePosition);
Console.WriteLine("Message = {0}", e.Message);
Console.WriteLine("Source = {0}", e.Source);
return -1;
}
}
private static void DisplayObjects(object o)
{
DisplayObjects(o, "");
}
private static void DisplayObjects(object o, string indent)
{
Console.WriteLine("{0}{1}", indent, o);
foreach (PropertyInfo property in o.GetType().GetProperties())
{
if (property.PropertyType.FullName == "System.Xml.Schema.XmlSchemaObjectCollection")
{
XmlSchemaObjectCollection childObjectCollection = (XmlSchemaObjectCollection)property.GetValue(o, null);
foreach (XmlSchemaObject schemaObject in childObjectCollection)
{
DisplayObjects(schemaObject, indent + "\t");
}
}
}
}
private static void ShowCompileError(object sender, ValidationEventArgs e)
{
Console.WriteLine("Validation Error: {0}", e.Message);
}
}
Option Strict On
Option Explicit On
Imports System.Xml
Imports System.Xml.Schema
Imports System.IO
Imports System.Reflection
Public Class ValidXSD
Public Shared Sub Main()
Dim xsd As String = "example.xsd"
Dim fs As FileStream
Dim schema As XmlSchema
Try
fs = New FileStream(xsd, FileMode.Open)
schema = XmlSchema.Read(fs, New ValidationEventHandler(AddressOf ShowCompileError))
Dim schemaSet As New XmlSchemaSet()
AddHandler schemaSet.ValidationEventHandler, AddressOf ShowCompileError
schemaSet.Add(schema)
schemaSet.Compile()
Dim compiledSchema As XmlSchema = Nothing
For Each schema1 As XmlSchema In schemaSet.Schemas()
compiledSchema = schema1
Next
schema = compiledSchema
If schema.IsCompiled Then
DisplayObjects(schema)
End If
Catch e As XmlSchemaException
Console.WriteLine("LineNumber = {0}", e.LineNumber)
Console.WriteLine("LinePosition = {0}", e.LinePosition)
Console.WriteLine("Message = {0}", e.Message)
Console.WriteLine("Source = {0}", e.Source)
End Try
End Sub
Private Overloads Shared Sub DisplayObjects(ByVal o As Object)
DisplayObjects(o, "")
End Sub
Private Overloads Shared Sub DisplayObjects(ByVal o As Object, ByVal indent As String)
Console.WriteLine("{0}{1}", indent, o)
Dim property1 As PropertyInfo
For Each property1 In o.GetType().GetProperties()
If property1.PropertyType.FullName = "System.Xml.Schema.XmlSchemaObjectCollection" Then
Dim childObjectCollection As XmlSchemaObjectCollection = CType(property1.GetValue(o, Nothing), XmlSchemaObjectCollection)
Dim schemaObject As XmlSchemaObject
For Each schemaObject In childObjectCollection
DisplayObjects(schemaObject, indent + ControlChars.Tab)
Next schemaObject
End If
Next property1
End Sub
Private Shared Sub ShowCompileError(ByVal sender As Object, ByVal e As ValidationEventArgs)
Console.WriteLine("Validation Error: {0}", e.Message)
End Sub
End Class
The example uses the example.xsd
file as input.
<?xml version="1.0"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
<xs:group name="testGroup">
<xs:choice>
<xs:any namespace="##any"/>
</xs:choice>
</xs:group>
<xs:element name="myElement" >
<xs:complexType>
<xs:choice maxOccurs="unbounded">
<xs:group ref="testGroup" />
</xs:choice>
</xs:complexType>
</xs:element>
</xs:schema>
Xml |
Initializes a new instance of the XmlSchemaObject class. |
Line |
Gets or sets the line number in the file to which the |
Line |
Gets or sets the line position in the file to which the |
Namespaces |
Gets or sets the XmlSerializerNamespaces to use with this schema object. |
Parent |
Gets or sets the parent of this XmlSchemaObject. |
Source |
Gets or sets the source location for the file that loaded the schema. |
Equals(Object) |
Determines whether the specified object is equal to the current object. (Inherited from Object) |
Get |
Serves as the default hash function. (Inherited from Object) |
Get |
Gets the Type of the current instance. (Inherited from Object) |
Memberwise |
Creates a shallow copy of the current Object. (Inherited from Object) |
To |
Returns a string that represents the current object. (Inherited from Object) |
Prodotto | Versioni |
---|---|
.NET | Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9 |
.NET Framework | 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
.NET Standard | 2.0, 2.1 |
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