One correction: For Non-modal forms Dispose is called when the form is closed. For modal forms Dispose is not called and so you have to call it explicitly mark
-----Original Message----- From: Ian Griffiths [mailto:[EMAIL PROTECTED]] Sent: Saturday, April 13, 2002 4:04 PM To: [EMAIL PROTECTED] Subject: Re: [DOTNET] Components, Designer and Dispose If the component is being dragged on to the form from the toolbox, all you need to do is supply a constructor that takes an IContainer. If you then make that constructor call IContainer.Add, passing itself as the parameter, this will result in your component being added to the 'components' member of your form. The components member is disposed of in the Dispose method of your class, and it will in turn dispose of any component that it contains. The Forms Designer will automatically use such a constructor if available when it constructs a component. So any components on your form that supply such a constructor will automatically have Dispose called when the form itself is Disposed. There are two caveats: (1) this is only automatic if the component was dragged onto the form from the toolbox, and (2) your component will only have its Dispose called if something calls Dispose on the form. (That doesn't happen automatically when the form is closed - you are allowed to reopen a form after closing it, so disposal only happens if something calls Dispose explicitly.) -- Ian Griffiths DevelopMentor ----- Original Message ----- From: "Axel Heitland" <[EMAIL PROTECTED]> I've implemented a simple component-derived class which is hosted on a windows form. For successfull shutdown the component needs a call to it's Dispose method at the end of it's lifetime; unfortunately the WinForms designer doesn't generate that code automatically so my users need write that code manually (and they forget all the time and are shouting at me ;-)) Is there any way to tell the winforms designer to generate the dispose code for me automatically ?! You can read messages from the DOTNET archive, unsubscribe from DOTNET, or subscribe to other DevelopMentor lists at http://discuss.develop.com. You can read messages from the DOTNET archive, unsubscribe from DOTNET, or subscribe to other DevelopMentor lists at http://discuss.develop.com.
