there is this FormStartPosition but that seems to be only for showing first time.
Current screen is the one the mouse pointer is in. The form should appear top most. Setting the DesktopLocation on the form is too low level, I don't want to have to deal with all the possible desktop resolutions. It would be also nice that the form shows up at the center of the screen. That sort of functionality sounds pretty generic and should probably be in the windows api.
You can use the Left and Top properties of the form to set its location, these positions are in relationship the whole visible area. You would need to write code to calcualate the position required.
Perhaps settings the StartPosition of the form on design time should do it. If you don't want to do it for all the other forms of your project, then derive this window to child windows.
Otherwise, we can't really understand what you're trying to do. A bit more precision and clarity on the subject could help us help you. :-)
I don't know what you think of this, but I just thought about the BringToFront() method. This is generally mostly used within MDI applications.