Python.NET WinForms -遍历每个组合框

import clr
clr.AddReference("System.Windows.Forms")
from System.Windows.Forms import Application, Form, ComboBox

class MyForm(Form):
    def __init__(self):
        self.Text = "ComboBox Traversal Example"
        
        # 创建组合框控件
        self.combo_box1 = ComboBox()
        self.combo_box1.Items.Add("Option 1")
        self.combo_box1.Items.Add("Option 2")
        self.combo_box1.Items.Add("Option 3")
        self.combo_box1.SelectedIndex = 0
        
        self.combo_box2 = ComboBox()
        self.combo_box2.Items.Add("Option A")
        self.combo_box2.Items.Add("Option B")
        self.combo_box2.Items.Add("Option C")
        self.combo_box2.SelectedIndex = 0
        
        # 将组合框添加到窗体中
        self.Controls.Add(self.combo_box1)
        self.Controls.Add(self.combo_box2)

    def traverse_comboboxes(self):
        for control in self.Controls:
            if isinstance(control, ComboBox):
                # 对每个组合框执行遍历操作
                print("ComboBox Items:")
                for item in control.Items:
                    print(item)
                print("Selected Index:", control.SelectedIndex)
                print()

if __name__ == "__main__":
    form = MyForm()
    form.traverse_comboboxes()
    Application.Run(form)