SVN r864
SVN-Revision: r864
This commit is contained in:
tdx
+1
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@@ -1,36 +1 @@
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namespace Lskj.Control
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{
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partial class CircleButton
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{
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/// <summary>
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/// 必需的设计器变量。
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/// </summary>
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private System.ComponentModel.IContainer components = null;
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/// <summary>
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/// 清理所有正在使用的资源。
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/// </summary>
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/// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
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protected override void Dispose(bool disposing)
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{
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if (disposing && (components != null))
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{
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components.Dispose();
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}
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base.Dispose(disposing);
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}
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#region 组件设计器生成的代码
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/// <summary>
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/// 设计器支持所需的方法 - 不要
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/// 使用代码编辑器修改此方法的内容。
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/// </summary>
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private void InitializeComponent()
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{
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components = new System.ComponentModel.Container();
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}
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#endregion
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}
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}
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namespace Lskj.Cont
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@@ -1,179 +1,123 @@
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using System;
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using System.Collections.Generic;
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/***************************************************
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* CircleButton 2.0 · Red badge with built-in number
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* Author : Gong Yuchao (2017-08-16), rev 2025-07-17
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***************************************************/
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using System;
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using System.ComponentModel;
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using System.Diagnostics;
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using System.Linq;
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using System.Text;
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using System.Windows.Forms;
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using System.Drawing;
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using Lskj.Business.Impl;
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using System.Drawing.Drawing2D;
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using System.Windows.Forms;
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namespace Lskj.Control
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{
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public partial class CircleButton : Button
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[DefaultEvent(nameof(Click))]
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public partial class CircleButton : Button
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{
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private int radius;//半径
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/* ───────── 可调属性 ───────── */
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//圆形按钮的半径属性
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[CategoryAttribute("布局"), BrowsableAttribute(true), ReadOnlyAttribute(false)]
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private int _radius = 18 / 2; // 直径 18px
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[Category("布局"), Description("圆点半径(px)")]
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public int Radius
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{
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set
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{
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radius = value;
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this.Height = this.Width = Radius;
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}
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get
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{
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return radius;
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}
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get => _radius;
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set { _radius = Math.Max(4, value); SyncSize(); }
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}
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private Image imageEnter;
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[CategoryAttribute("外观"), BrowsableAttribute(true), ReadOnlyAttribute(false)]
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public Image ImageEnter
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private int _number;
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[Category("数据"), Description("角标数字(>99 显示 99)")]
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public int Number
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{
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set
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{
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imageEnter = value;
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}
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get
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{
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return imageEnter;
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}
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get => _number;
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set { _number = Math.Max(0, value); Invalidate(); }
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}
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private Image imageNormal;
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[CategoryAttribute("外观"), BrowsableAttribute(true), ReadOnlyAttribute(false)]
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[Category("外观"), Description("普通状态图(可省略)")]
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public Image ImageNormal
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{
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set
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{
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imageNormal = value;
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BackgroundImage = imageNormal;
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}
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get
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{
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return imageNormal;
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}
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get => _imgNormal;
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set { _imgNormal = value; if (!_hover) BackgroundImage = value; }
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}
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private Image _imgNormal;
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//以下代码用于在VS中隐藏BackgroundImage属性，使得只能通过Diameter设置Height和Width
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[BrowsableAttribute(false)]
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public new Image BackgroundImage
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{
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get
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{
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return base.BackgroundImage;
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}
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set
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{
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base.BackgroundImage = value;
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[Category("外观"), Description("悬停状态图(可省略)")]
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public Image ImageHover { get; set; }
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}
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}
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[Category("外观"), Description("边框颜色(透明=无)")]
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public Color BorderColor { get; set; } = Color.Transparent;
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//以下代码用于在VS中隐藏Size属性，使得只能通过Diameter设置Height和Width
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[BrowsableAttribute(false)]
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public new Size Size
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{
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get
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{
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return base.Size;
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}
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set
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{
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base.Size = value;
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[Category("外观"), Description("边框粗细(px)")]
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public float BorderThickness { get; set; } = 1f;
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}
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}
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/* ───────── 状态 ───────── */
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private bool _hover;
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/* ───────── ctor ───────── */
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public CircleButton()
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{
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Radius = 64;
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this.Height = this.Width = Radius;
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this.FlatStyle = FlatStyle.Flat;
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this.FlatAppearance.BorderSize = 0;
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this.BackgroundImage = imageEnter;
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this.BackgroundImageLayout = ImageLayout.Stretch;
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SetStyle(ControlStyles.AllPaintingInWmPaint |
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ControlStyles.UserPaint |
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ControlStyles.OptimizedDoubleBuffer, true);
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FlatStyle = FlatStyle.Flat;
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FlatAppearance.BorderSize = 0;
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BackColor = Color.Red;
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ForeColor = Color.White;
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SyncSize();
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MouseEnter += (_, __) => SetHover(true);
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MouseLeave += (_, __) => SetHover(false);
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}
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//重写OnPaint
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protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)
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/* ───────── 重绘 ───────── */
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protected override void OnResize(EventArgs e)
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{
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try {
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base.OnPaint(e);
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System.Drawing.Drawing2D.GraphicsPath path = new System.Drawing.Drawing2D.GraphicsPath();
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path.AddEllipse(0, 0, Radius, Radius);
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this.Region = new Region(path);
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}
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catch (Exception ex)
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base.OnResize(e);
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UpdateRegion();
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}
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protected override void OnPaint(PaintEventArgs e)
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{
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base.OnPaint(e);
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e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
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// ① 画圆填充
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using (SolidBrush br = new SolidBrush(BackColor))
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{
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string Message = ErrorMessage.PromptErrorMessage(ex);
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MessageUtil.Show(Message,ex.Message);
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e.Graphics.FillEllipse(br, 0, 0, Width, Height);
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}
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}
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//重写OnMouseEnter
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//protected override void OnMouseEnter(EventArgs e)
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//{
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// Graphics g = this.CreateGraphics();
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// g.DrawEllipse(new Pen(Color.Blue), 0, 0, this.Width, this.Height);
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// g.Dispose();
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//}
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//重写OnSizeChanged
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protected override void OnSizeChanged(EventArgs e)
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{
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try {
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base.OnSizeChanged(e);
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if (Height != Radius)
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// ② 画边框（可选）
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if (BorderColor.A > 0 && BorderThickness > 0)
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{
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using (Pen pen = new Pen(BorderColor, BorderThickness))
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{
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Radius = Width = Height;
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}
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else if (Width != Radius)
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{
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Radius = Height = Width;
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Rectangle rc = new Rectangle(
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(int)(BorderThickness / 2),
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(int)(BorderThickness / 2),
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Width - (int)BorderThickness,
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Height - (int)BorderThickness);
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e.Graphics.DrawEllipse(pen, rc);
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}
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}
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catch (Exception ex)
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// ③ 绘制数字
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if (_number > 0)
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{
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string Message = ErrorMessage.PromptErrorMessage(ex);
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MessageUtil.Show(Message,ex.Message);
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string txt = _number > 99 ? "99" : _number.ToString();
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using (SolidBrush fb = new SolidBrush(ForeColor))
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using (StringFormat sf = new StringFormat
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{
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Alignment = StringAlignment.Center,
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LineAlignment = StringAlignment.Center
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})
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{
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e.Graphics.DrawString(txt, Font, fb,
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new RectangleF(0, 0, Width, Height), sf);
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}
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}
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}
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//重写OnMouseEnter
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protected override void OnMouseEnter(EventArgs e)
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{
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try {
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base.OnMouseEnter(e);
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BackgroundImage = ImageEnter;
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}
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catch (Exception ex)
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{
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string Message = ErrorMessage.PromptErrorMessage(ex);
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MessageUtil.Show(Message,ex.Message);
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}
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}
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//重写OnMouseLeave
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protected override void OnMouseLeave(EventArgs e)
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{
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try {
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base.OnMouseLeave(e);
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BackgroundImage = ImageNormal;
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}
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catch (Exception ex)
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{
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string Message = ErrorMessage.PromptErrorMessage(ex);
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MessageUtil.Show(Message,ex.Message);
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}
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}
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}
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}
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/* ───────── 私有助手 ───────── */
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private void SetHover(
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