def __init__(self):

        self.Text = 'TextBox'

        self.text = Label()
        self.text.Parent = self
        self.text.Text = "..."
        self.text.AutoSize = True
        self.text.Location = Point(60, 40)

        tbox = TextBox()
        tbox.Parent = self
        tbox.Location = Point(60, 100)
        tbox.KeyUp += self.OnKeyUp

        self.Size = Size(250, 200)
        self.CenterToScreen()
    def __init__(self):
        self.Text = 'Drag & Drop'
        self.AllowDrop = True

        button = Button()
        button.Parent = self
        textBox = TextBox()
        textBox.Parent = self
 
        button.AllowDrop = True
        button.Location = Point(150, 50)
        button.DragDrop += self.OnDragDrop
        button.DragEnter += self.OnDragEnter

        textBox.Location = Point(15, 50)
        textBox.MouseDown += self.OnMousDown

        self.ClientSize = Size(250, 200)
        self.CenterToScreen()