Publisher's Description:

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MagForms for .NET provides .NET WinForms with the ability to be magnetized together similar to Winamp. By merely setting a few properties, your form instantly becomes a Windows appbar, just like the Windows taskbar. Also, the MagForms library includes the ability to automatically add an additional user-configurable button to your title bar. MagForms are non-intrusive. There are no base classes to inherit or interfaces to expose.

MagForms not only snap together when they are moved next to each other, but also correctly snap to each other when a "magnetized" form is resized adjacent to another magnetic form. MagForms allow you to save and load the layout of forms to a file -- including the layout of appbars. With MagForms, it's easy to set which forms are the master (parent) magnetic draggable forms and which are the children dragged forms. With MagForms, minimizing/restoring magnetic forms minimizes and restores all forms that are currently magnetized together.

Lastly, MagForms "solves" the problem of magnetized forms becoming orphaned off-screen if they become demagnetized (detached) by providing a RestrictMovement property which restricts a form to the visible desktop area. Source code is available too!