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()
