auto_handle::operator auto_handle

Type-cast operator between auto_handle and compatible types.

Syntax

template<typename _other_type>
operator auto_handle<_other_type>();

Return Value

The current auto_handle cast to auto_handle<_other_type>.

Example

// msl_auto_handle_op_auto_handle.cpp
// compile with: /clr
#include <msclr\auto_handle.h>

using namespace System;
using namespace msclr;

ref class ClassA {
protected:
   String^ m_s;
public:
   ClassA( String^ s ) : m_s( s ) {}

   virtual void PrintHello() {
      Console::WriteLine( "Hello from {0} A!", m_s );
   }
};

ref class ClassB : ClassA {
public:
   ClassB( String ^ s) : ClassA( s ) {}
   virtual void PrintHello() new {
      Console::WriteLine( "Hello from {0} B!", m_s );
   }
};

int main() {
   auto_handle<ClassB> b = gcnew ClassB("first");
   b->PrintHello();
   auto_handle<ClassA> a = (auto_handle<ClassA>)b;
   a->PrintHello();
}
Hello from first B!
Hello from first A!

Requirements

Header file <msclr\auto_handle.h>

Namespace msclr

See Also

auto_handle Members