[C# Control] 仿RAR式进度条 (RarProgressBar)
Download Source & Demo
![](/images/cnblogs_com/Icebird/87779/r_rarprogressbar.png)
System.Windows.Forms.ProgressBar的样式实在是太普通了, RarProgressBar让你多一种选择.
我并没有实现双进度显示, 因为我想不出除了文件压缩外还有什么地方能够用到双进度显示
///////////////////////////////////////////////////////////////////////////////
// RarProgressBar.cs
// 仿RAR式进度条
//
// @version 1.00
// @remarks For study purpose
// @author Icebird @date 2006-07-03
///////////////////////////////////////////////////////////////////////////////
using System;
using System.Windows.Forms;
using System.ComponentModel;
using System.Collections;
using System.Diagnostics;
using System.Drawing;
![](/Images/OutliningIndicators/None.gif)
namespace ControlsEx
{
/// <summary>
/// RarProgressBar
/// </summary>
[DefaultProperty("Value")]
public class RarProgressBar : System.Windows.Forms.Control
{
private Pen whitePen, whitePen2;
private Pen blackPen;
private Pen blackPen2;
private Pen lightGrayPen;
private Pen lightGrayPen2;
private Brush foreBrush;
![](/Images/OutliningIndicators/InBlock.gif)
private int maximum;
private int minimum;
private int step;
private int value;
![](/Images/OutliningIndicators/InBlock.gif)
/// <summary>
/// Constructor
/// </summary>
public RarProgressBar()
{
SetStyle(ControlStyles.Selectable, false);
SetStyle(ControlStyles.SupportsTransparentBackColor | ControlStyles.ResizeRedraw | ControlStyles.DoubleBuffer |
ControlStyles.AllPaintingInWmPaint | ControlStyles.UserPaint, true);
this.minimum = 0;
this.maximum = 100;
this.step = 10;
this.value = 0;
this.BackColor = ColorTranslator.FromHtml("#946D6B");
this.ForeColor = ColorTranslator.FromHtml("#D6D7DE");
this.Height = 12;
![](/Images/OutliningIndicators/InBlock.gif)
whitePen = new Pen(Color.White);
whitePen2 = new Pen(ColorTranslator.FromHtml("#EFEBEF"));
blackPen = new Pen(ColorTranslator.FromHtml("#636163"));
blackPen2 = new Pen(ColorTranslator.FromHtml("#424142"));
lightGrayPen = new Pen(ColorTranslator.FromHtml("#B59694"));
lightGrayPen2 = new Pen(ColorTranslator.FromHtml("#9C8284"));
foreBrush = new SolidBrush(ForeColor);
}
![](/Images/OutliningIndicators/InBlock.gif)
protected override void Dispose( bool disposing )
{
if( disposing )
{
whitePen.Dispose();
whitePen2.Dispose();
blackPen.Dispose();
blackPen2.Dispose();
lightGrayPen.Dispose();
lightGrayPen2.Dispose();
foreBrush.Dispose();
}
base.Dispose( disposing );
}
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/// <summary>
/// 当前值增加指定增量
/// </summary>
/// <param name="value"> 增量</param>
public void Increment(int value)
{
this.value += value;
if (this.value < this.minimum)
{
this.value = this.minimum;
}
if (this.value > this.maximum)
{
this.value = this.maximum;
}
this.UpdatePos();
}
![](/Images/OutliningIndicators/InBlock.gif)
/// <summary>
/// 当前值增加固定增量(Step)
/// </summary>
public void PerformStep()
{
this.Increment(this.step);
}
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/// <summary>
/// 输出字符串
/// </summary>
public override string ToString()
{
string s = base.ToString();
return (s + ", Minimum: " + this.Minimum.ToString() + ", Maximum: " + this.Maximum.ToString() + ", Value: " + this.Value.ToString());
}
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private void UpdatePos()
{
Invalidate();
}
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
public override bool AllowDrop
{
get
{
return base.AllowDrop;
}
set
{
base.AllowDrop = value;
}
}
![](/Images/OutliningIndicators/InBlock.gif)
[EditorBrowsable(EditorBrowsableState.Never), Browsable(false)]
public override Color BackColor
{
get
{
return base.BackColor;
}
set
{
base.BackColor = value;
}
}
![](/Images/OutliningIndicators/InBlock.gif)
[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
public override Image BackgroundImage
{
get
{
return base.BackgroundImage;
}
set
{
base.BackgroundImage = value;
}
}
![](/Images/OutliningIndicators/InBlock.gif)
protected override System.Windows.Forms.ImeMode DefaultImeMode
{
get
{
return System.Windows.Forms.ImeMode.Disable;
}
}
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protected override Size DefaultSize
{
get
{
return new Size(100, 12);
}
}
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[EditorBrowsable(EditorBrowsableState.Never), Browsable(false)]
public override System.Drawing.Font Font
{
get
{
return base.Font;
}
set
{
base.Font = value;
}
}
![](/Images/OutliningIndicators/InBlock.gif)
[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
public override Color ForeColor
{
get
{
return base.ForeColor;
}
set
{
base.ForeColor = value;
}
}
![](/Images/OutliningIndicators/InBlock.gif)
[DescriptionAttribute("此 ProgressBar 正使用的范围的上限"),RefreshProperties(RefreshProperties.Repaint), DefaultValue(100), CategoryAttribute("行为")]
public int Maximum
{
get
{
return this.maximum;
}
set
{
if (this.maximum != value)
{
if (value < 0)
{
throw new ArgumentException(String.Format("'{1}'不是'{0}'的有效值。'{0}'必须大于或等于 {2}。", new object[] { "maximum", value.ToString(), "0" }));
}
if (this.minimum > value)
{
this.minimum = value;
}
this.maximum = value;
if (this.value > this.maximum)
{
this.value = this.maximum;
}
this.UpdatePos();
}
}
}
![](/Images/OutliningIndicators/InBlock.gif)
[RefreshProperties(RefreshProperties.Repaint), DescriptionAttribute("此 ProgressBar 正使用的范围的下限"), CategoryAttribute("行为"), DefaultValue(0)]
public int Minimum
{
get
{
return this.minimum;
}
set
{
if (this.minimum != value)
{
if (value < 0)
{
throw new ArgumentException(String.Format("'{1}'不是'{0}'的有效值。'{0}'必须大于或等于 {2}。", new object[] { "minimum", value.ToString(), "0" }));
}
if (this.maximum < value)
{
this.maximum = value;
}
this.minimum = value;
if (this.value < this.minimum)
{
this.value = this.minimum;
}
this.UpdatePos();
}
}
}
![](/Images/OutliningIndicators/InBlock.gif)
[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
public override System.Windows.Forms.RightToLeft RightToLeft
{
get
{
return base.RightToLeft;
}
set
{
base.RightToLeft = value;
}
}
![](/Images/OutliningIndicators/InBlock.gif)
[DescriptionAttribute("当调用 Step() 方法时,控件当前值的增量。"), DefaultValue(10), CategoryAttribute("行为")]
public int Step
{
get
{
return this.step;
}
set
{
this.step = value;
}
}
![](/Images/OutliningIndicators/InBlock.gif)
[Bindable(false), Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
public override string Text
{
get
{
return base.Text;
}
set
{
base.Text = value;
}
}
![](/Images/OutliningIndicators/InBlock.gif)
[DefaultValue(0), DescriptionAttribute("ProgressBar 的当前值,在由最小和最大属性指定的范围之内。"), Bindable(true), CategoryAttribute("行为")]
public int Value
{
get
{
return this.value;
}
set
{
if (this.value != value)
{
if ((value < this.minimum) || (value > this.maximum))
{
throw new ArgumentException(String.Format("'{1}'不是'{0}'的有效值。'{0}'应介于 '{2}' 和 '{3}' 之间。", new object[] { "value", value.ToString(), "'minimum'", "'maximum'" }));
}
this.value = value;
this.UpdatePos();
}
}
}
![](/Images/OutliningIndicators/InBlock.gif)
protected override void OnMouseEnter(EventArgs e)
{
base.OnMouseEnter (e);
}
![](/Images/OutliningIndicators/InBlock.gif)
private int ProgressWidth
{
get
{
return Convert.ToInt32(Math.Floor(1.0 * ClientSize.Width / Maximum * Value));
}
}
![](/Images/OutliningIndicators/InBlock.gif)
protected override void OnPaint(PaintEventArgs e)
{
Graphics g = e.Graphics;
![](/Images/OutliningIndicators/InBlock.gif)
int pWidth = ProgressWidth;
Pen pen;
if (Parent != null)
pen = new Pen(Parent.BackColor);
else
pen = new Pen(ColorTranslator.FromHtml("#EFEBE7"));
g.DrawRectangle(pen, 0, 0, ClientSize.Width - 1, ClientSize.Height - 1);
pen.Dispose();
![](/Images/OutliningIndicators/InBlock.gif)
g.FillRectangle(foreBrush, 0, 0, pWidth, ClientSize.Height - 3 );
g.DrawRectangle(whitePen, 0, 0, pWidth, ClientSize.Height - 2);
g.DrawRectangle(whitePen2, 1, 1, pWidth - 2, ClientSize.Height - 4);
![](/Images/OutliningIndicators/InBlock.gif)
//drawing right progress
if (Value < Maximum)
{
g.DrawRectangle(lightGrayPen, pWidth, 0, ClientSize.Width - pWidth - 2, ClientSize.Height - 3);
g.DrawRectangle(lightGrayPen2, pWidth + 1, 1, ClientSize.Width - pWidth - 4, ClientSize.Height - 5);
}
![](/Images/OutliningIndicators/InBlock.gif)
//drawing separator
g.DrawLine(blackPen, pWidth, 0, pWidth, ClientSize.Height - 3);
![](/Images/OutliningIndicators/InBlock.gif)
//drawing right & bottom borders
g.DrawLine(blackPen, 0, ClientSize.Height - 2, ClientSize.Width - 1, ClientSize.Height - 2);
g.DrawLine(blackPen2, 1, ClientSize.Height - 1, ClientSize.Width, ClientSize.Height - 1);
g.DrawLine(blackPen2, ClientSize.Width - 1, ClientSize.Height - 1, ClientSize.Width - 1, 2);
}
}
}
![](/images/cnblogs_com/Icebird/87779/r_rarprogressbar.png)
System.Windows.Forms.ProgressBar的样式实在是太普通了, RarProgressBar让你多一种选择.
我并没有实现双进度显示, 因为我想不出除了文件压缩外还有什么地方能够用到双进度显示
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