auto_gcroot::operator!
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Operator for using auto_gcroot in a conditional expression.
Syntax
bool operator!() const;
Return Value
true if the wrapped object is invalid; false otherwise.
Example
// msl_auto_gcroot_operator_not.cpp
// compile with: /clr
#include <msclr\auto_gcroot.h>
using namespace System;
using namespace msclr;
int main() {
auto_gcroot<String^> s;
if ( s ) Console::WriteLine( "s is valid" );
if ( !s ) Console::WriteLine( "s is invalid" );
s = "something";
if ( s ) Console::WriteLine( "now s is valid" );
if ( !s ) Console::WriteLine( "now s is invalid" );
s.reset();
if ( s ) Console::WriteLine( "now s is valid" );
if ( !s ) Console::WriteLine( "now s is invalid" );
}
s is invalid
now s is valid
now s is invalid
Requirements
Header file <msclr\auto_gcroot.h>
Namespace msclr