Dispose Form For Free

There is no difference. Applies to about all framework classes that have a Close() method. Intentional design, you'd rely on Dispose by using the using statement, if the object needs to survive beyond the method body (so that the using statement is not useful) then it needs to be explicit and using Close() makes sense.

The Dispose() method The Dispose method performs all object cleanup, so the garbage collector no longer needs to call the objects' Object. Finalize override. Therefore, the call to the SuppressFinalize method prevents the garbage collector from running the finalizer.

Dispose will be called automatically if the form is shown using the Show method. If another method such as ShowDialog is used, or the form is never shown at all, you must call Dispose yourself within your application.

The basic difference between Close() and Dispose() is, when a Close() method is called, any managed resource can be temporarily closed and can be opened once again. It means that, with the same object the resource can be reopened or used.

Ing to the . Net documentation for the OleDbCommand, Close() closes the connection and returns it to the connection pool, and Dispose() closes the connection and REMOVES it from the connection pool.

Close() sends the proper Windows messages to shut down the win32 window. During that process, if the form was not shown modally, Dispose is called on the form. Disposing the form frees up the unmanaged resources that the form is holding onto.

You should take advantage of the Dispose/Finalize pattern only when it is needed. To be more precise, you should use it only when your type invokes unmanaged code that allocates unmanaged resources (including unmanaged memory) and then it returns a handle that you must use eventually to release the resource.

Close and Dispose are functionally equivalent. If the connection pooling value Pooling is set to true or yes , the underlying connection is returned back to the connection pool. On the other hand, if Pooling is set to false or no , the underlying connection to the server is closed.

When we need to exit or close opened form then we should use "this. Close( )" method to close the form on some button click event. When we are running a winform application & need to exit or close SUB APPLICATION or CURRENT THREAD then we should use "System. Windows.

Remarks. This method is called by the public Dispose method and the Finalize method. Dispose invokes the protected Dispose(Boolean) method with the disposing parameter set to true . Finalize invokes Dispose with disposing set to false .