功能调整

Work/BaseForms/UserComponents/UcGroupBoxEx.cs

@@ -0,0 +1,115 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Diagnostics;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace Work.UserComponents
+{
+    /// <summary>
+    /// 可以改变边框颜色的groupbox
+    /// </summary>
+    public partial class UcGroupBoxEx : GroupBox
+    {
+        private Color _BorderColor = Color.FromArgb(33, 202, 99);
+        private GroupBoxBorderStyle _BorderStyle = GroupBoxBorderStyle.ROUND;
+
+        [Browsable(true), Description("边框颜色"), Category("自定义分组")]
+        public Color BorderColor
+        {
+            get { return _BorderColor; }
+            set
+            {
+                _BorderColor = value;
+                this.Invalidate();
+            }
+        }
+
+        [Browsable(true), Description("边框样式"), Category("自定义分组")]
+        public GroupBoxBorderStyle BorderStyle
+        {
+            get { return _BorderStyle; }
+            set
+            {
+                _BorderStyle = value;
+                this.Invalidate();
+            }
+        }
+
+        public UcGroupBoxEx()
+        {
+            InitializeComponent();
+        }
+
+        public UcGroupBoxEx(IContainer container)
+        {
+            container.Add(this);
+
+            InitializeComponent();
+        }
+
+        /// <summary>
+        /// 重写OnPaint绘制自定义效果
+        /// </summary>
+        /// <param name="e"></param>
+        protected override void OnPaint(PaintEventArgs e)
+        {
+            e.Graphics.Clear(this.BackColor);
+            // 绘制字体
+            e.Graphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit; // 或者 AntiAliasGridFit // 平滑字体
+            e.Graphics.DrawString(this.Text, this.Font, new SolidBrush(this.ForeColor), 10, 1);
+            // 计算文本大小
+            var vSize = e.Graphics.MeasureString(this.Text, this.Font);
+            Pen vPen = new Pen(this._BorderColor);
+            // 绘制矩形
+            if (_BorderStyle == GroupBoxBorderStyle.SQUARE)
+            {
+                e.Graphics.DrawLine(vPen, 2, vSize.Height / 2, 8, vSize.Height / 2); // 标题左侧
+                e.Graphics.DrawLine(vPen, vSize.Width + 8, vSize.Height / 2, this.Width - 3, vSize.Height / 2); // 标题右侧
+                e.Graphics.DrawLine(vPen, 2, vSize.Height / 2, 2, this.Height - 3); // 左侧
+                e.Graphics.DrawLine(vPen, 2, this.Height - 3, this.Width - 3, this.Height - 3); // 底部
+                e.Graphics.DrawLine(vPen, this.Width - 3, vSize.Height / 2, this.Width - 3, this.Height - 3); // 右侧
+            }
+            // 绘制圆角矩形
+            else
+            {
+                e.Graphics.DrawLine(vPen, 4, vSize.Height / 2, 8, vSize.Height / 2); // 标题左侧
+                e.Graphics.DrawLine(vPen, vSize.Width + 8, vSize.Height / 2, this.Width - 5, vSize.Height / 2); // 标题右侧
+                e.Graphics.DrawLine(vPen, 2, vSize.Height / 2 + 2, 2, this.Height - 5); // 左侧
+                e.Graphics.DrawLine(vPen, 4, this.Height - 3, this.Width - 5, this.Height - 3); // 底部
+                e.Graphics.DrawLine(vPen, this.Width - 3, vSize.Height / 2 + 2, this.Width - 3, this.Height - 5); // 右侧
+                // 边角直线模拟圆角
+                e.Graphics.DrawLine(vPen, 2, vSize.Height / 2 + 2, 4, vSize.Height / 2); // 左上角
+                e.Graphics.DrawLine(vPen, this.Width - 5, vSize.Height / 2, this.Width - 3, vSize.Height / 2 + 2); // 右上角
+                e.Graphics.DrawLine(vPen, this.Width - 3, this.Height - 5, this.Width - 5, this.Height - 3); // 右下角
+                e.Graphics.DrawLine(vPen, 4, this.Height - 3, 2, this.Height - 5); // 左下角
+            }
+        }
+
+        protected override void WndProc(ref Message m)
+        { 
+            base.WndProc(ref m);
+
+            try
+            {
+                // WM_NCCALCSIZE 0x0083 当计算某个窗口的客户区大小和位置时发送此消息
+                // windows消息值表,可参考:http://hi.baidu.com/dooy/blog/item/0e770a24f70e3b2cd407421b.html
+                if (m.Msg == 0x83)
+                {
+                    this.Invalidate();
+                }
+            }
+            catch { }
+        }
+
+        public enum GroupBoxBorderStyle
+        {
+            ROUND,
+            SQUARE,
+        }
+    }
+}