初始化版本

SLC1-N/WindowAutoResizer.cs

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+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace WindowsFormsApp1
+{
+    internal class WindowAutoResizer  // 窗口大小自适应类
+    {
+        private readonly Form _form;
+        private float originalWidth;
+        private float originalHeight;
+
+        /// <summary>
+        /// 初始化窗口自适应调整器
+        /// </summary>
+        /// <param name="form">要自适应的窗体</param>
+        public WindowAutoResizer(Form form)
+        {
+            _form = form ?? throw new ArgumentNullException(nameof(form));
+            Initialize();
+        }
+
+        private void Initialize()
+        {
+            originalWidth = _form.Width;
+            originalHeight = _form.Height;
+
+            // 记录初始控件位置和大小
+            SetTag(_form);
+
+            // 注册窗口大小改变事件
+            _form.Resize += async (sender, e) => await OnFormResizeAsync();
+        }
+
+        /// <summary>
+        /// 记录控件初始位置和大小信息
+        /// 递归所有控件，存储宽、高、位置等到Tag
+        /// </summary>
+        /// <param name="container">容器控件</param>
+        private void SetTag(Control container)
+        {
+            foreach (Control control in container.Controls) // 遍历容器（cons）所有子控件。
+            {
+                control.Tag = $"{control.Width}:{control.Height}:{control.Left}:{control.Top}:{control.Font.Size}";
+                if (control.Controls.Count > 0)
+                {
+                    SetTag(control);
+                }
+            }
+        }
+
+        /// <summary>
+        /// 窗体大小改变时异步调整控件
+        /// </summary>
+        private async Task OnFormResizeAsync()
+        {
+            float widthRatio = _form.Width / originalWidth;
+            float heightRatio = _form.Height / originalHeight;
+
+            await Task.Run(() => AdjustControls(widthRatio, heightRatio, _form));
+        }
+
+        /// <summary>
+        /// 根据比例调整控件大小和位置
+        /// </summary>
+        /// <param name="widthRatio">宽度比例</param>
+        /// <param name="heightRatio">高度比例</param>
+        /// <param name="container">容器控件</param>
+        private void AdjustControls(float widthRatio, float heightRatio, Control container)
+        {
+            if (container.InvokeRequired) // 检查是否在UI线程
+            {
+                container.Invoke(new Action(() => AdjustControls(widthRatio, heightRatio, container)));
+                return;
+            }
+
+            // 暂停控件的布局逻辑，直到所有更改完成后再一次性重新计算布局
+            container.SuspendLayout(); 
+
+            try
+            {
+                // 拷贝一份，避免实时读取时被修改造成异常
+                var controlsCopy = container.Controls.Cast<Control>().ToArray();
+
+                foreach (Control control in controlsCopy)
+                {
+                    if (control.Tag == null) continue;
+
+                    string[] tagValues = control.Tag.ToString().Split(':');
+                    if (tagValues.Length != 5) continue;
+
+                    control.Width = (int)(float.Parse(tagValues[0]) * widthRatio);
+                    control.Height = (int)(float.Parse(tagValues[1]) * heightRatio);
+                    control.Left = (int)(float.Parse(tagValues[2]) * widthRatio);
+                    control.Top = (int)(float.Parse(tagValues[3]) * heightRatio);
+
+                    float newFontSize = float.Parse(tagValues[4]) * heightRatio;
+                    if (Math.Abs(control.Font.Size - newFontSize) > float.Epsilon)
+                    {
+                        control.Font = new Font(control.Font.Name, newFontSize, control.Font.Style);
+                    }
+
+                    // 如果当前控件有子控件，递归调整子控件
+                    if (control.HasChildren) 
+                    {
+                        AdjustControls(widthRatio, heightRatio, control);
+                    }
+                }
+            }
+            finally
+            {
+                // 恢复控件的布局逻辑，并强制立即重新计算布局。
+                container.ResumeLayout(true); 
+            }
+        }
+
+        /// <summary>
+        /// 重新初始化控件位置和大小信息（当动态添加控件后调用）
+        /// </summary>
+        public void RefreshTags()
+        {
+            SetTag(_form);
+        }
+
+        private void AddNewControl()
+        {
+            //var newButton = new Button { Text = "New Button", ... };
+            //this.Controls.Add(newButton);
+            //resizer.RefreshTags(); // 重新记录所有控件信息
+        }
+
+
+    }
+}