IsArrayImpl Method
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Type.IsArrayImpl Method

When overridden in a derived class, implements the IsArray property and determines whether the Type is an array.

Namespace: System
Assembly: mscorlib (in mscorlib.dll)

protected:
virtual bool IsArrayImpl () abstract
protected abstract boolean IsArrayImpl ()
protected abstract function IsArrayImpl () : boolean
Not applicable.

Return Value

true if the Type is an array; otherwise, false.

An instance of the Array class must return false because it is an object, not an array.

The following example overrides the IsArrayImpl method in the MyTypeDelegator class, checks if a variable is an array, and displays the result.

using namespace System;
using namespace System::Reflection;
public ref class MyTypeDelegator: public TypeDelegator
{
public:
   String^ myElementType;
   Type^ myType;
   MyTypeDelegator( Type^ myType )
      : TypeDelegator( myType )
   {
      this->myType = myType;
   }


protected:

   // Override IsArrayImpl().
   virtual bool IsArrayImpl() override
   {
      
      // Determine whether the type is an array.
      if ( myType->IsArray )
      {
         myElementType = "array";
         return true;
      }

      
      // Return false if the type is not an array.
      return false;
   }

};

int main()
{
   try
   {
      int myInt = 0;
      
      // Create an instance of an array element.
      array<Int32>^myArray = gcnew array<Int32>(5);
      MyTypeDelegator^ myType = gcnew MyTypeDelegator( myArray->GetType() );
      Console::WriteLine( "\nDetermine whether the variable is an array.\n" );
      
      // Determine whether myType is an array type.
      if ( myType->IsArray )
            Console::WriteLine( "The type of myArray is {0}.", myType->myElementType );
      else
            Console::WriteLine( "myArray is not an array." );
      myType = gcnew MyTypeDelegator( myInt.GetType() );
      
      // Determine whether myType is an array type.
      if ( myType->IsArray )
            Console::WriteLine( "The type of myInt is {0}.", myType->myElementType );
      else
            Console::WriteLine( "myInt is not an array." );
   }
   catch ( Exception^ e ) 
   {
      Console::WriteLine( "Exception: {0}", e->Message );
   }

}


import System.*;
import System.Reflection.*;

public class MyTypeDelegator extends TypeDelegator
{
    public String myElementType = null;
    public Type myType;

    public MyTypeDelegator(Type myType)
    {
        super(myType);
        this.myType = myType;
    } //MyTypeDelegator

    // Override IsArrayImpl().
    protected boolean IsArrayImpl()
    {
        // Determine whether the type is an array.
        if (myType.get_IsArray()) {
            myElementType = "array";
            return true;
        }
        // Return false if the type is not an array.
        return false;
    } //IsArrayImpl
} //MyTypeDelegator

public class Type_IsArrayImpl
{
    public static void main(String[] args)
    {
        try {
            int myInt = 0;
            // Create an instance of an array element.
            int myArray[] = new int[5];
            MyTypeDelegator myType = new MyTypeDelegator(myArray.GetType());
            Console.WriteLine("\nDetermine whether the variable is an array.\n");
            // Determine whether myType is an array type.  
            if (myType.get_IsArray()) {
                Console.WriteLine("The type of myArray is {0}.", myType.
                    myElementType);
            }
            else {
                Console.WriteLine("myArray is not an array.");
            }
            myType = new MyTypeDelegator(((System.Int32)myInt).GetType());
            // Determine whether myType is an array type. 
            if (myType.get_IsArray()) {
                Console.WriteLine("The type of myInt is {0}.", myType.
                    myElementType);
            }
            else {
                Console.WriteLine("myInt is not an array.");
            }
        }
        catch (System.Exception e) {
            Console.WriteLine("Exception: {0}", e.get_Message());
        }
    } //main
} //Type_IsArrayImpl

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

XNA Framework

Supported in: 1.0
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