Денис Фолюш

public UserSettings()
    {
        DirectoryInfo dir = new DirectoryInfo(path_directory);

        if (!dir.Exists)
        {
            dir.Create();
        }

        if (!File.Exists(path_fileSettings))
        {
            Serializer();
        }
        else
        {
            Deserialize();
        }
    }

public Form2()
{
        InitializeComponent();
        StartPosition = FormStartPosition.Manual;
}
public Form2(Point newLocation) : this()
{
        Location = newLocation;
}

private void button1_Click(object sender, EventArgs e)
{
        new Form2(Cursor.Position).Show();
}

int CursorToFormX = this.PointToClient(Cursor.Position).X;
int CursorToFormY = this.PointToClient(Cursor.Position).Y;

int SizeTreeView = treeView1.Size.Width + 18;
int PositionPasteX = (SizeTreeView - CursorToFormX) - (SizeTreeView - CursorToFormX) - (SizeTreeView - CursorToFormX);

int SizeCaptionAndMenuStrip = int.Parse(SystemInformation.CaptionHeight.ToString()) + 6;
int PositionPasteY = (SizeCaptionAndMenuStrip - CursorToFormY) - (SizeCaptionAndMenuStrip - CursorToFormY) - (SizeCaptionAndMenuStrip - CursorToFormY);