How do I correctly position a Context Menu when I right click a DataGridView's column header?

Question

I would like to extended DataGridView to add a second ContextMenu which to select what columns are visible in the gird. The new ContextMenu will be displayed on right click

Answer 1

Finally this worked for me.

ContextMenu.Show(myDataGridView, myDataGridView.PointToClient(Cursor.Position));