记录:按比例缩放控件
- using System;
- using System.Collections.Generic;
- using System.ComponentModel;
- using System.Data;
- using System.Drawing;
- using System.Linq;
- using System.Text;
- using System.Threading.Tasks;
- using System.Windows.Forms;
-
- namespace WindowsFormsApp1
- {
- public partial class Form1 : Form
- {
-
- public Form1()
- {
- InitializeComponent();
-
-
- }
-
- private void Form1_Load(object sender, EventArgs e)
- {
- //1、获取窗口的大小:这里使用Tag保存,也可以定义变量保存
- this.Tag = this.Width.ToString() + "," + this.Height.ToString();
-
- //2、不能隐式的去生成这个事件,就是不能直接在属性栏里面双击自动生成,
- // 因为这个SizeChanged比获取窗口大小提前执行,不然会空引用异常。
- // InitializeComponent(),组件初始化,这个必须先执行,会触发SizeChanged,窗体大小
- this.SizeChanged += new EventHandler(Form1_SizeChanged);
- }
-
- private void Form1_SizeChanged(object sender, EventArgs e)
- {
-
- string[] data = ((Form)sender).Tag.ToString().Split(',');
-
- float width = (float)((Form)sender).Width / (float)Convert.ToInt16(data[0]);
- float height = (float)((Form)sender).Height / (float)Convert.ToInt16(data[1]);
-
- // 更新比例
- ((Form)sender).Tag = ((Form)sender).Width.ToString() + "," + ((Form)sender).Height;
-
- // 根据比例重绘所有控件
- foreach (Control control in ((Form)sender).Controls)
- {
- control.Scale(new SizeF(width, height));
- }
- }
- }
- }
-
-