Type.MakePointerType 메서드
정의
중요
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현재 형식에 대한 포인터를 나타내는 Type 개체를 반환합니다.
public:
abstract Type ^ MakePointerType();
public:
virtual Type ^ MakePointerType();
public abstract Type MakePointerType ();
public virtual Type MakePointerType ();
abstract member MakePointerType : unit -> Type
abstract member MakePointerType : unit -> Type
override this.MakePointerType : unit -> Type
Public MustOverride Function MakePointerType () As Type
Public Overridable Function MakePointerType () As Type
반환
현재 형식에 대한 포인터를 나타내는 Type 개체입니다.
예외
호출된 메서드가 기본 클래스에서 지원되지 않습니다.
예제
다음 코드 예제에서는 ref
배열( ByRef
Visual Basic) 및 클래스에 대한 포인터 형식을 Test
만듭니다.
using namespace System;
using namespace System::Reflection;
public ref class Example
{
public:
static void Main()
{
// Create a Type object that represents a one-dimensional
// array of Example objects.
Type^ t = Example::typeid->MakeArrayType();
Console::WriteLine( L"\r\nArray of Example: {0}", t );
// Create a Type object that represents a two-dimensional
// array of Example objects.
t = Example::typeid->MakeArrayType( 2 );
Console::WriteLine( L"\r\nTwo-dimensional array of Example: {0}", t );
// Demonstrate an exception when an invalid array rank is
// specified.
try
{
t = Example::typeid->MakeArrayType( -1 );
}
catch ( Exception^ ex )
{
Console::WriteLine( L"\r\n{0}", ex );
}
// Create a Type object that represents a ByRef parameter
// of type Example.
t = Example::typeid->MakeByRefType();
Console::WriteLine( L"\r\nByRef Example: {0}", t );
// Get a Type object representing the Example class, a
// MethodInfo representing the "Test" method, a ParameterInfo
// representing the parameter of type Example, and finally
// a Type object representing the type of this ByRef parameter.
// Compare this Type object with the Type object created using
// MakeByRefType.
Type^ t2 = Example::typeid;
MethodInfo^ mi = t2->GetMethod( L"Test" );
ParameterInfo^ pi = mi->GetParameters()[ 0 ];
Type^ pt = pi->ParameterType;
Console::WriteLine( L"Are the ByRef types equal? {0}", (t == pt) );
// Create a Type object that represents a pointer to an
// Example object.
t = Example::typeid->MakePointerType();
Console::WriteLine( L"\r\nPointer to Example: {0}", t );
}
// A sample method with a ByRef parameter.
//
void Test( interior_ptr<Example^> /*e*/ )
{
}
};
int main()
{
Example::Main();
}
/* This example produces output similar to the following:
Array of Example: Example[]
Two-dimensional array of Example: Example[,]
System.IndexOutOfRangeException: Index was outside the bounds of the array.
at System.RuntimeType.MakeArrayType(Int32 rank) in c:\vbl\ndp\clr\src\BCL\System\RtType.cs:line 2999
at Example.Main()
ByRef Example: Example&
Are the ByRef types equal? True
Pointer to Example: Example*
*/
using System;
using System.Reflection;
public class Example
{
public static void Main()
{
// Create a Type object that represents a one-dimensional
// array of Example objects.
Type t = typeof(Example).MakeArrayType();
Console.WriteLine("\r\nArray of Example: {0}", t);
// Create a Type object that represents a two-dimensional
// array of Example objects.
t = typeof(Example).MakeArrayType(2);
Console.WriteLine("\r\nTwo-dimensional array of Example: {0}", t);
// Demonstrate an exception when an invalid array rank is
// specified.
try
{
t = typeof(Example).MakeArrayType(-1);
}
catch(Exception ex)
{
Console.WriteLine("\r\n{0}", ex);
}
// Create a Type object that represents a ByRef parameter
// of type Example.
t = typeof(Example).MakeByRefType();
Console.WriteLine("\r\nByRef Example: {0}", t);
// Get a Type object representing the Example class, a
// MethodInfo representing the "Test" method, a ParameterInfo
// representing the parameter of type Example, and finally
// a Type object representing the type of this ByRef parameter.
// Compare this Type object with the Type object created using
// MakeByRefType.
Type t2 = typeof(Example);
MethodInfo mi = t2.GetMethod("Test");
ParameterInfo pi = mi.GetParameters()[0];
Type pt = pi.ParameterType;
Console.WriteLine("Are the ByRef types equal? {0}", (t == pt));
// Create a Type object that represents a pointer to an
// Example object.
t = typeof(Example).MakePointerType();
Console.WriteLine("\r\nPointer to Example: {0}", t);
}
// A sample method with a ByRef parameter.
//
public void Test(ref Example e)
{
}
}
/* This example produces output similar to the following:
Array of Example: Example[]
Two-dimensional array of Example: Example[,]
System.IndexOutOfRangeException: Index was outside the bounds of the array.
at System.RuntimeType.MakeArrayType(Int32 rank) in c:\vbl\ndp\clr\src\BCL\System\RtType.cs:line 2999
at Example.Main()
ByRef Example: Example&
Are the ByRef types equal? True
Pointer to Example: Example*
*/
Imports System.Reflection
Public Class Example
Public Shared Sub Main()
' Create a Type object that represents a one-dimensional
' array of Example objects.
Dim t As Type = GetType(Example).MakeArrayType()
Console.WriteLine(vbCrLf & "Array of Example: " & t.ToString())
' Create a Type object that represents a two-dimensional
' array of Example objects.
t = GetType(Example).MakeArrayType(2)
Console.WriteLine(vbCrLf & "Two-dimensional array of Example: " & t.ToString())
' Demonstrate an exception when an invalid array rank is
' specified.
Try
t = GetType(Example).MakeArrayType(-1)
Catch ex As Exception
Console.WriteLine(vbCrLf & ex.ToString())
End Try
' Create a Type object that represents a ByRef parameter
' of type Example.
t = GetType(Example).MakeByRefType()
Console.WriteLine(vbCrLf & "ByRef Example: " & t.ToString())
' Get a Type object representing the Example class, a
' MethodInfo representing the "Test" method, a ParameterInfo
' representing the parameter of type Example, and finally
' a Type object representing the type of this ByRef parameter.
' Compare this Type object with the Type object created using
' MakeByRefType.
Dim t2 As Type = GetType(Example)
Dim mi As MethodInfo = t2.GetMethod("Test")
Dim pi As ParameterInfo = mi.GetParameters()(0)
Dim pt As Type = pi.ParameterType
Console.WriteLine("Are the ByRef types equal? " & (t Is pt))
' Create a Type object that represents a pointer to an
' Example object.
t = GetType(Example).MakePointerType()
Console.WriteLine(vbCrLf & "Pointer to Example: " & t.ToString())
End Sub
' A sample method with a ByRef parameter.
'
Public Sub Test(ByRef e As Example)
End Sub
End Class
' This example produces output similar to the following:
'
'Array of Example: Example[]
'
'Two-dimensional array of Example: Example[,]
'
'System.IndexOutOfRangeException: Index was outside the bounds of the array.
' at System.RuntimeType.MakeArrayType(Int32 rank) in c:\vbl\ndp\clr\src\BCL\System\RtType.cs:line 2999
' at Example.Main()
'
'ByRef Example: Example&
'Are the ByRef types equal? True
'
'Pointer to Example: Example*
설명
MakePointerType메서드는 매개 변수 목록에 대한 포인터 형식을 생성하는 방법을 제공합니다.
현재 개체가 를 나타내는 경우 MSIL(Microsoft Intermediate Language) 구문을 사용하여 Type Int32 이 메서드는 를 나타내는 Type 개체를 Int32*
반환합니다.