How to create a form with a border, but no title bar? (like volume control on Windows 7)

form.Text = string.Empty; form.ControlBox = false; form.FormBorderStyle = FormBorderStyle.SizableToolWindow; For a fixed size window, you should still use FormBorderStyle.SizableToolWindow, but you can override the form’s WndProc to ignore non-client hit tests (which are used to switch to the sizing cursors): protected override void WndProc(ref Message message) { const int WM_NCHITTEST = 0x0084; if (message.Msg == … Read more