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I’ve a project that contain 2 forms e.g. (Form1 , Form2 ).The user should be able to use any of the 2 forms while both of them are visible(i.e. Can use Form1 While Form2 is Open).At the same time when Form2 is closed there is an action that should be invoked in Form1 related to From2_close. I can’t use Form2.ShowDialogue as it trap focus only to Form2 but user should be able to edit some data in Form1 while Form2 is loaded. Hope the question is clear, please help. Thanks
Your question is not entirely clear, but I think you are trying to send a notification to a given set of forms based on any other forms actions. This type of notification scenerio can be very easily handled by implementing the Observer Pattern. Basically you have a single object that is the “observer” and it watches subscribers that register with it for messages. When the observer receives a message from one of its subscribers (ie a form) it then notifies the other subscribers that it received a message.
Hope this helps.