TComboBoxDemo 项目分析

项目信息

• 项目名称: TComboBoxDemo
• 下载链接: TComboBoxDemo.rar
• 分析时间: 2026-03-05

文件结构

TComboBoxDemo/
├── Extractor_Icon.ico
├── Project1.py
├── Project1.xml
├── Unit1.py
├── Unit1.pydfm
├── Unit1.sct
├── Unit1.sfm

主程序文件: Project1.py

from glcl import *
from Unit1 import *

def main():
    Application.Initialize()
    Application.Title = 'Project1'
    Application.MainFormOnTaskbar = True
    Application.Icon.LoadFromFile(os.path.join(os.path.dirname(os.path.abspath(__file__)), "Extractor_Icon.ico"))
    MainForm = Form1(Application)
    MainForm.Show()
    FreeConsole()
    Application.Run()
    MainForm.Free()

if __name__ == '__main__':
    main()

单元文件: Unit1.py

import os
from glcl import *

class Form1(Form):

    def __init__(self, owner):
        self.ComboBox1 = ComboBox(self)
        self.LoadProps(os.path.join(os.path.dirname(os.path.abspath(__file__)), "Unit1.pydfm"))
        self.ComboBox1.OnChange = self.ComboBox1Change

        # 创建一个 TComboBox 组件
        combo_box = ComboBox(self)
        combo_box.Parent = self  # 设置父组件为窗体
        combo_box.Left = 30  # 设置 combo_box 的左边距
        combo_box.Top = 100  # 设置 combo_box 的上边距
        combo_box.Width = 150  # 设置 combo_box 的宽度
        combo_box.OnSelect = self.combo_boxSelect  # 设置 combo_box 的OnSelect事件

        # 添加选项到 TComboBox 中
        combo_box.Items.Add("Option 1")  # 添加第一个选项
        combo_box.Items.Add("Option 2")  # 添加第二个选项
        combo_box.Items.Add("Option 3")  # 添加第三个选项

    def combo_boxSelect(self, Sender):
        print('select')

    def ComboBox1Change(self, Sender):
        print('change')

设计文件: Unit1.sct

def ComboBox1Change(Sender): 

设计文件: Unit1.sfm

object Form1: TForm
  Left = 0
  Top = 0
  Caption = 'Form1'
  ClientHeight = 205
  ClientWidth = 382
  Color = clBtnFace
  Font.Charset = DEFAULT_CHARSET
  Font.Color = clWindowText
  Font.Height = -15
  Font.Name = 'Segoe UI'
  Font.Style = []
  TextHeight = 20
  object ComboBox1: TComboBox
    Left = 24
    Top = 16
    Width = 145
    Height = 28
    TabOrder = 0
    Text = 'Banana'
    OnChange = ComboBox1Change
    Items.Strings = (
      'Orange'
      'Apple'
      'Banana'
      'Almond'
      'Avocado'
      'Lemon'
      'Pear'
      'Grape')
  end
end

其他文件

• Extractor_Icon.ico
• Project1.xml

详细分析

功能概述

GUI组件演示

使用的组件

• Form1 (TForm)
• ComboBox1 (TComboBox)

技术特点

• 包含2个GUI组件
• 定义1个事件处理

窗体属性

• caption: Form1
• height: 205
• width: 382

代码分析

导入的模块: - import os - from glcl import *

定义的类: - Form1

定义的方法: - init - combo_boxSelect - ComboBox1Change

事件绑定: - self.ComboBox1.OnChange = self.ComboBox1Change

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