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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Drawing;
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using System.Data;
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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.Drawing2D;
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namespace HslCommunication.Controls
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{
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/// <summary>
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/// 一个直立的进度条控件，满足不同的情况使用
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/// </summary>
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public partial class UserVerticalProgress : UserControl
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{
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/// <summary>
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/// 实例化一个对象
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/// </summary>
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public UserVerticalProgress()
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{
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InitializeComponent();
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m_borderPen = new Pen(Color.DimGray);
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m_backBrush = new SolidBrush(Color.Transparent);
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m_foreBrush = new SolidBrush(Color.Tomato);
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m_progressColor = Color.Tomato;
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m_borderColor = Color.DimGray;
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m_formatCenter = new StringFormat();
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m_formatCenter.Alignment = StringAlignment.Center;
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m_formatCenter.LineAlignment = StringAlignment.Center;
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m_UpdateAction = new Action(UpdateRender);
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hybirdLock = new Core.SimpleHybirdLock();
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DoubleBuffered = true;
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}
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private void UserVerticalProgress_Load(object sender, EventArgs e)
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{
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}
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private void UserVerticalProgress_Paint(object sender, PaintEventArgs e)
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{
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if (!Authorization.nzugaydgwadawdibbas( )) return;
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try
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{
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// 根据实际值来绘制图形
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Graphics g = e.Graphics;
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Rectangle rectangle = new Rectangle(0, 0, Width - 1, Height - 1);
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g.FillRectangle(m_backBrush, rectangle);
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g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit;
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switch(m_progressStyle)
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{
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case ProgressStyle.Vertical:
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{
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// 垂直方向的进度条
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int height = (int)(m_actual * 1L * (Height - 2) / m_Max);
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rectangle = new Rectangle(0, Height - 1 - height, Width - 1, height);
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g.FillRectangle(m_foreBrush, rectangle);
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//if (m_actual != m_value)
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//{
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// rectangle = new Rectangle(0, rectangle.Y - 5, Width - 1, 5);
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// using (Brush b = new LinearGradientBrush(rectangle, m_progressColor, BackColor, 270f))
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// {
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// g.FillRectangle(b, rectangle);
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// }
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//}
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break;
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}
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case ProgressStyle.Horizontal:
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{
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// 水平方向的进度条
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int width = (int)(m_actual * 1L * (Width - 2) / m_Max);
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rectangle = new Rectangle(0, 0, width + 1, Height - 1);
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g.FillRectangle(m_foreBrush, rectangle);
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//if (m_actual == m_value)
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//{
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// rectangle = new Rectangle(width + 1, 0, 5, Height - 1);
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// using (Brush b = new LinearGradientBrush(rectangle, m_progressColor, BackColor, 0f))
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// {
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// g.FillRectangle(b, rectangle);
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// }
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//}
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break;
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}
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}
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rectangle = new Rectangle(0, 0, Width - 1, Height - 1);
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if (m_isTextRender)
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{
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string str = (m_actual * 100L / m_Max) + "%";
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using (Brush brush = new SolidBrush(ForeColor))
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{
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g.DrawString(str, Font, brush, rectangle, m_formatCenter);
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}
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}
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g.DrawRectangle(m_borderPen, rectangle);
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}
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catch (Exception)
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{
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// BasicFramework.SoftBasic.ShowExceptionMessage(ex);
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}
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}
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private void UserVerticalProgress_SizeChanged(object sender, EventArgs e)
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{
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Invalidate();
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}
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#region Private Members
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private int m_version = 0; // 设置数据时的版本，用于更新时的版本验证
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private int m_Max = 100; // 默认的最大值
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private int m_value = 0; // 当前的设定值
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private int m_actual = 0; // 当前的实际值
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private Pen m_borderPen; // 边框的画笔
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private Color m_borderColor; // 边框的背景色
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private Brush m_backBrush; // 背景色
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private Brush m_foreBrush; // 前景色
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private Color m_progressColor; // 前景色颜色
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private StringFormat m_formatCenter; // 中间显示字符串的格式
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private bool m_isTextRender = true; // 是否显示文本信息
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private Action m_UpdateAction; // 更新界面的委托
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private Core.SimpleHybirdLock hybirdLock; // 数据的同步锁
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private int m_speed = 1; // 进度条的升降快慢
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private ProgressStyle m_progressStyle = ProgressStyle.Vertical; // 进度条的样式，指示水平的还是竖直的
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private bool m_UseAnimation = false; // 是否采用动画效果
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#endregion
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#region Public Properties
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/// <summary>
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/// 获取或设置光标在控件上显示的信息
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/// </summary>
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public override Cursor Cursor
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{
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get => base.Cursor;
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set => base.Cursor = value;
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}
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/// <summary>
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/// 获取或设置控件的背景颜色值
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/// </summary>
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[Description("获取或设置进度条的背景色")]
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[Category("外观")]
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[Browsable(true)]
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public override Color BackColor
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{
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get => base.BackColor;
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set
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{
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base.BackColor = value;
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m_backBrush?.Dispose();
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m_backBrush = new SolidBrush(value);
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Invalidate();
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}
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}
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/// <summary>
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/// 获取或设置进度的颜色
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/// </summary>
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[Description("获取或设置进度条的前景色")]
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[Category("外观")]
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[Browsable(true)]
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[DefaultValue(typeof(Color),"Tomato")]
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public Color ProgressColor
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{
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get { return m_progressColor; }
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set
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{
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m_progressColor = value;
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m_foreBrush?.Dispose();
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m_foreBrush = new SolidBrush(value);
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Invalidate();
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}
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}
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/// <summary>
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/// 进度条的最大值，默认为100
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/// </summary>
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[Description("获取或设置进度条的最大值，默认为100")]
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[Category("外观")]
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[Browsable(true)]
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[DefaultValue(100)]
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public int Max
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{
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get { return m_Max; }
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set
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{
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if (value > 1)
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{
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m_Max = value;
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}
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if (m_value > m_Max) m_value = m_Max;
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Invalidate();
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}
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}
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/// <summary>
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/// 当前进度条的值，不能大于最大值或小于0
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/// </summary>
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[Description("获取或设置当前进度条的值")]
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[Category("外观")]
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[Browsable(true)]
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[DefaultValue(0)]
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public int Value
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{
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get { return m_value; }
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set
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{
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if (value >= 0 && value <= m_Max)
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{
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if (value != m_value)
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{
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m_value = value;
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if (UseAnimation)
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{
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int version = System.Threading.Interlocked.Increment(ref m_version);
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System.Threading.ThreadPool.QueueUserWorkItem(new System.Threading.WaitCallback(
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ThreadPoolUpdateProgress), version);
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}
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else
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{
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m_actual = value;
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Invalidate();
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}
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}
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}
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}
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}
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/// <summary>
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/// 是否显示进度
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/// </summary>
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[Description("获取或设置是否显示进度文本")]
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[Category("外观")]
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[Browsable(true)]
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[DefaultValue(true)]
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public bool IsTextRender
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{
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get { return m_isTextRender; }
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set
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{
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m_isTextRender = value;
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Invalidate();
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}
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}
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/// <summary>
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/// 设置进度条的边框颜色
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/// </summary>
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[Description("获取或设置进度条的边框颜色")]
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[Category("外观")]
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[Browsable(true)]
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[DefaultValue(typeof(Color),"DimGray")]
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public Color BorderColor
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{
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get { return m_borderColor; }
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set
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{
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m_borderColor = value;
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m_borderPen?.Dispose();
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m_borderPen = new Pen(value);
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Invalidate();
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}
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}
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/// <summary>
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/// 设置进度变更的速度
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/// </summary>
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[Description("获取或设置进度条的变化进度")]
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[Category("外观")]
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[Browsable(true)]
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[DefaultValue(1)]
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public int ValueChangeSpeed
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{
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get{return m_speed;}
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set
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{
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if (value >= 1)
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{
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m_speed = value;
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}
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}
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}
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/// <summary>
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/// 获取或设置进度条变化的时候是否采用动画效果
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/// </summary>
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[Description("获取或设置进度条变化的时候是否采用动画效果")]
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[Category("外观")]
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[Browsable(true)]
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[DefaultValue(false)]
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public bool UseAnimation
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{
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get { return m_UseAnimation; }
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set { m_UseAnimation = value; }
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}
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/// <summary>
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/// 进度条的样式
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/// </summary>
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[Description("获取或设置进度条的样式")]
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[Category("外观")]
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[Browsable(true)]
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[DefaultValue(typeof(ProgressStyle),"Vertical")]
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public ProgressStyle ProgressStyle
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{
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get { return m_progressStyle; }
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set { m_progressStyle = value;Invalidate(); }
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}
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#endregion
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#region Update Progress
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private void ThreadPoolUpdateProgress(object obj)
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{
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try
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{
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// 开始计算更新细节
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int version = (int)obj;
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if (m_speed < 1) m_speed = 1;
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while (m_actual != m_value)
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{
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System.Threading.Thread.Sleep(17);
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if (version != m_version) break;
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hybirdLock.Enter();
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int newActual = 0;
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if (m_actual > m_value)
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{
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int offect = m_actual - m_value;
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if (offect > m_speed) offect = m_speed;
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newActual = m_actual - offect;
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}
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else
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{
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int offect = m_value - m_actual;
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if (offect > m_speed) offect = m_speed;
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newActual = m_actual + offect;
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}
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m_actual = newActual;
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hybirdLock.Leave();
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if (version == m_version)
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{
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if (IsHandleCreated) Invoke(m_UpdateAction);
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}
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else
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{
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break;
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}
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}
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}
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catch(Exception)
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{
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// BasicFramework.SoftBasic.ShowExceptionMessage(ex);
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}
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}
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private void UpdateRender()
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{
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Invalidate();
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}
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#endregion
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}
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/// <summary>
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/// 进度条的样式
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/// </summary>
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public enum ProgressStyle
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{
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/// <summary>
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/// 竖直的，纵向的进度条
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/// </summary>
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Vertical,
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/// <summary>
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/// 水平进度条
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/// </summary>
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Horizontal
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}
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}
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