drawable_Mouse_events

Scripting
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1

I’m trying to use the mouse event to change the color of the drawable image, but I seem to run into problems on “drawable.mousemove += move” it’s wrong, “drawable.MouseDown += down” is fine, but I seem to have hit a dead end

#! python 3

import Rhino
import Eto
import Eto.Forms as ef
import Eto.Drawing as ed
import rhinoscriptsyntax as rs


class SampleTransparentEtoForm(Eto.Forms.Form):
    def __init__(self):
        super().__init__()
        self.AutoSize = False
        self.Resizable = True
        self.TopMost = True
        self.ShowActivated = False
        self.Size = Eto.Drawing.Size(300, 300)
        self.Padding = Eto.Drawing.Padding(80)
        self.MovableByWindowBackground = True
        self.Location = Eto.Drawing.Point(100, 100)

        self.Button = Eto.Forms.Button()
        self.Button.Text = "Close"
        self.Button.Click += self.OnButtonClick

        drawable = ef.Drawable()
        drawable.Width = 40
        drawable.Height = 40
        def move(sender, e):
            cor = True
        def draw(sender, e):
            rect = ed.RectangleF(0, 0, 40, 40)
            if cor:
                e.Graphics.FillEllipse(ed.Colors.Red, rect)
            e.Graphics.FillEllipse(ed.Colors.Green, rect)
        def down(sender, e):
            rs.Command("down_on")
        drawable.Paint += draw
        drawable.MouseDown += down 
        drawable.MouseMove += move #here

        self.layout = Eto.Forms.DynamicLayout()
        self.layout.AddRow(self.Button, None, drawable)

        self.Content = self.layout

    def OnButtonClick(self, sender, e):
        self.Close()

def EstablishForm():
    form = SampleTransparentEtoForm()
    form.Owner = Rhino.UI.RhinoEtoApp.MainWindow
    form.Show()

if __name__ == "__main__":
    EstablishForm()
2

我是否可以像"OnButtonClick"一样在构造函数外定义事件函数