public DragDropBlock()
 {
     this.MouseDown += new MouseEventHandler(Mouse_Down);
     this.MouseUp   += new MouseEventHandler(Mouse_Up);
     Block           = new DragBlock()
     {
         Data = "TEST!"
     };
 }
    void Mouse_Up(object sender, System.Windows.Forms.MouseEventArgs e)
    {
        DragBlock newBlock = (DragBlock)Clipboard.GetDataObject().GetData("DragBlock");

        Console.WriteLine(newBlock.Data);
    }