How to access a control in another c# applications?

Is there a way to let me get the tag attribute of one TreeNode object in another c# application?

It is easy to get the handle of the T开发者_运维百科reeNode, but how to continue?

Thanks

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No, without cooperation from the Application with the TreeView it is not possible.

The Tag property is part of the managed class that is attached to the TreeNode-control. You can only get at the Win32 part of the control when you have the handle. The managed part is in an address-space where you have no access.

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Expose a WCF service or a remoting service from one application, if possible.