[C-Sharp] – MouseDown for moving the Form: Drag and drop menustrip

using System.Runtime.InteropServices;
public const int WM_NCLBUTTONDOWN = 0xA1;
public const int HT_CAPTION = 0x2;
[DllImportAttribute("user32.dll")]
private static extern int SendMessage(IntPtr hWnd,
 int Msg, int wParam, int lParam);
[DllImportAttribute("user32.dll")]
private static extern bool ReleaseCapture();

public Form1()
{
InitializeComponent();
}

For menustrip or some other object:

private void menuStrip1_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
ReleaseCapture();
SendMessage(Handle, WM_NCLBUTTONDOWN, HT_CAPTION, 0);
}
}

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