官网

http://www.hzhcontrols.com

前提

入行已经7,8年了,一直想做一套漂亮点的自定义控件,于是就有了本系列文章。

GitHub:https://github.com/kwwwvagaa/NetWinformControl

码云:https://gitee.com/kwwwvagaa/net_winform_custom_control.git

如果觉得写的还行,请点个 star 支持一下吧

欢迎前来交流探讨: 企鹅群568015492 

麻烦博客下方点个【推荐】,谢谢

NuGet

Install-Package HZH_Controls

目录

https://www.cnblogs.com/bfyx/p/11364884.html

用处及效果

准备工作

这个用到GDI+画的,请先了解一下GDI+

还有用到了基类控件UCControlBase来控制圆角和背景色,如果还不了解请移步查看

(一)c#Winform自定义控件-基类控件

另外用到了水波控件UCWave,如果不了解请移步查看

(四十四)c#Winform自定义控件-水波

开始

添加一个用户控件UCProcessWave,继承UCControlBase

一些属性

   private bool m_isRectangle = false;
[Description("是否矩形"), Category("自定义")]
public bool IsRectangle
{
get { return m_isRectangle; }
set
{
m_isRectangle = value;
if (value)
{
base.ConerRadius = ;
}
else
{
base.ConerRadius = Math.Min(this.Width, this.Height);
}
}
}
#region 不再使用的父类属性 English:Parent class attributes that are no longer used
[Browsable(false)]
public new int ConerRadius
{
get;
set;
}
[Browsable(false)]
public new bool IsRadius
{
get;
set;
} [Browsable(false)]
public new Color FillColor
{
get;
set;
}
#endregion [Description("值变更事件"), Category("自定义")]
public event EventHandler ValueChanged;
int m_value = ;
[Description("当前属性"), Category("自定义")]
public int Value
{
set
{
if (value > m_maxValue)
m_value = m_maxValue;
else if (value < )
m_value = ;
else
m_value = value;
if (ValueChanged != null)
ValueChanged(this, null);
ucWave1.Height = (int)((double)m_value / (double)m_maxValue * this.Height) + ucWave1.WaveHeight;
Refresh();
}
get
{
return m_value;
}
} private int m_maxValue = ; [Description("最大值"), Category("自定义")]
public int MaxValue
{
get { return m_maxValue; }
set
{
if (value < m_value)
m_maxValue = m_value;
else
m_maxValue = value;
Refresh();
}
} public override Font Font
{
get
{
return base.Font;
}
set
{
base.Font = value;
}
} public override Color ForeColor
{
get
{
return base.ForeColor;
}
set
{
base.ForeColor = value;
}
} [Description("值颜色"), Category("自定义")]
public Color ValueColor
{
get { return this.ucWave1.WaveColor; }
set
{
this.ucWave1.WaveColor = value;
}
} [Description("边框宽度"), Category("自定义")]
public override int RectWidth
{
get
{
return base.RectWidth;
}
set
{
if (value < )
base.RectWidth = ;
else
base.RectWidth = value;
}
}

构造函数一些设置

  public UCProcessWave()
{
InitializeComponent();
this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
this.SetStyle(ControlStyles.DoubleBuffer, true);
this.SetStyle(ControlStyles.ResizeRedraw, true);
this.SetStyle(ControlStyles.Selectable, true);
this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
this.SetStyle(ControlStyles.UserPaint, true);
base.IsRadius = true;
base.IsShowRect = false;
RectWidth = ;
RectColor = Color.White;
ucWave1.Height = (int)((double)m_value / (double)m_maxValue * this.Height) + ucWave1.WaveHeight;
this.SizeChanged += UCProcessWave_SizeChanged;
this.ucWave1.OnPainted += ucWave1_Painted;
base.ConerRadius = Math.Min(this.Width, this.Height);
}

重绘

  protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
e.Graphics.SetGDIHigh();
if (!m_isRectangle)
{
//这里曲线救国,因为设置了控件区域导致的毛边,通过画一个没有毛边的圆遮挡
SolidBrush solidBrush = new SolidBrush(Color.White);
e.Graphics.DrawEllipse(new Pen(solidBrush, ), new Rectangle(-, -, this.Width + , this.Height + ));
}
string strValue = ((double)m_value / (double)m_maxValue).ToString("0.%");
System.Drawing.SizeF sizeF = e.Graphics.MeasureString(strValue, Font);
e.Graphics.DrawString(strValue, Font, new SolidBrush(ForeColor), new PointF((this.Width - sizeF.Width) / , (this.Height - sizeF.Height) / + ));
}

波形控件重绘时处理

   void ucWave1_Painted(object sender, PaintEventArgs e)
{
e.Graphics.SetGDIHigh();
if (IsShowRect)
{
if (m_isRectangle)
{
Color rectColor = RectColor;
Pen pen = new Pen(rectColor, (float)RectWidth);
Rectangle clientRectangle = new Rectangle(, this.ucWave1.Height - this.Height, this.Width, this.Height);
GraphicsPath graphicsPath = new GraphicsPath();
graphicsPath.AddArc(clientRectangle.X, clientRectangle.Y, , , 180f, 90f);
graphicsPath.AddArc(clientRectangle.Width - - , clientRectangle.Y, , , 270f, 90f);
graphicsPath.AddArc(clientRectangle.Width - - , clientRectangle.Bottom - - , , , 0f, 90f);
graphicsPath.AddArc(clientRectangle.X, clientRectangle.Bottom - - , , , 90f, 90f);
graphicsPath.CloseFigure();
e.Graphics.DrawPath(pen, graphicsPath);
}
else
{
SolidBrush solidBrush = new SolidBrush(RectColor);
e.Graphics.DrawEllipse(new Pen(solidBrush, RectWidth), new Rectangle(, this.ucWave1.Height - this.Height, this.Width, this.Height));
}
} if (!m_isRectangle)
{
//这里曲线救国,因为设置了控件区域导致的毛边,通过画一个没有毛边的圆遮挡
SolidBrush solidBrush1 = new SolidBrush(Color.White);
e.Graphics.DrawEllipse(new Pen(solidBrush1, ), new Rectangle(-, this.ucWave1.Height - this.Height - , this.Width + , this.Height + ));
}
string strValue = ((double)m_value / (double)m_maxValue).ToString("0.%");
System.Drawing.SizeF sizeF = e.Graphics.MeasureString(strValue, Font);
e.Graphics.DrawString(strValue, Font, new SolidBrush(ForeColor), new PointF((this.Width - sizeF.Width) / , (this.ucWave1.Height - this.Height) + (this.Height - sizeF.Height) / ));
}

不知道你们有没有注意这句话

 //这里曲线救国,因为设置了控件区域导致的毛边,通过画一个没有毛边的圆遮挡

因为设置原价导致了区域毛边,所有画个没有毛边的边框覆盖之

完整代码

 using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Drawing.Drawing2D; namespace HZH_Controls.Controls
{
public partial class UCProcessWave : UCControlBase
{
private bool m_isRectangle = false;
[Description("是否矩形"), Category("自定义")]
public bool IsRectangle
{
get { return m_isRectangle; }
set
{
m_isRectangle = value;
if (value)
{
base.ConerRadius = ;
}
else
{
base.ConerRadius = Math.Min(this.Width, this.Height);
}
}
}
#region 不再使用的父类属性 English:Parent class attributes that are no longer used
[Browsable(false)]
public new int ConerRadius
{
get;
set;
}
[Browsable(false)]
public new bool IsRadius
{
get;
set;
} [Browsable(false)]
public new Color FillColor
{
get;
set;
}
#endregion [Description("值变更事件"), Category("自定义")]
public event EventHandler ValueChanged;
int m_value = ;
[Description("当前属性"), Category("自定义")]
public int Value
{
set
{
if (value > m_maxValue)
m_value = m_maxValue;
else if (value < )
m_value = ;
else
m_value = value;
if (ValueChanged != null)
ValueChanged(this, null);
ucWave1.Height = (int)((double)m_value / (double)m_maxValue * this.Height) + ucWave1.WaveHeight;
Refresh();
}
get
{
return m_value;
}
} private int m_maxValue = ; [Description("最大值"), Category("自定义")]
public int MaxValue
{
get { return m_maxValue; }
set
{
if (value < m_value)
m_maxValue = m_value;
else
m_maxValue = value;
Refresh();
}
} public override Font Font
{
get
{
return base.Font;
}
set
{
base.Font = value;
}
} public override Color ForeColor
{
get
{
return base.ForeColor;
}
set
{
base.ForeColor = value;
}
} [Description("值颜色"), Category("自定义")]
public Color ValueColor
{
get { return this.ucWave1.WaveColor; }
set
{
this.ucWave1.WaveColor = value;
}
} [Description("边框宽度"), Category("自定义")]
public override int RectWidth
{
get
{
return base.RectWidth;
}
set
{
if (value < )
base.RectWidth = ;
else
base.RectWidth = value;
}
} public UCProcessWave()
{
InitializeComponent();
this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
this.SetStyle(ControlStyles.DoubleBuffer, true);
this.SetStyle(ControlStyles.ResizeRedraw, true);
this.SetStyle(ControlStyles.Selectable, true);
this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
this.SetStyle(ControlStyles.UserPaint, true);
base.IsRadius = true;
base.IsShowRect = false;
RectWidth = ;
RectColor = Color.White;
ucWave1.Height = (int)((double)m_value / (double)m_maxValue * this.Height) + ucWave1.WaveHeight;
this.SizeChanged += UCProcessWave_SizeChanged;
this.ucWave1.OnPainted += ucWave1_Painted;
base.ConerRadius = Math.Min(this.Width, this.Height);
} void ucWave1_Painted(object sender, PaintEventArgs e)
{
e.Graphics.SetGDIHigh();
if (IsShowRect)
{
if (m_isRectangle)
{
Color rectColor = RectColor;
Pen pen = new Pen(rectColor, (float)RectWidth);
Rectangle clientRectangle = new Rectangle(, this.ucWave1.Height - this.Height, this.Width, this.Height);
GraphicsPath graphicsPath = new GraphicsPath();
graphicsPath.AddArc(clientRectangle.X, clientRectangle.Y, , , 180f, 90f);
graphicsPath.AddArc(clientRectangle.Width - - , clientRectangle.Y, , , 270f, 90f);
graphicsPath.AddArc(clientRectangle.Width - - , clientRectangle.Bottom - - , , , 0f, 90f);
graphicsPath.AddArc(clientRectangle.X, clientRectangle.Bottom - - , , , 90f, 90f);
graphicsPath.CloseFigure();
e.Graphics.DrawPath(pen, graphicsPath);
}
else
{
SolidBrush solidBrush = new SolidBrush(RectColor);
e.Graphics.DrawEllipse(new Pen(solidBrush, RectWidth), new Rectangle(, this.ucWave1.Height - this.Height, this.Width, this.Height));
}
} if (!m_isRectangle)
{
//这里曲线救国,因为设置了控件区域导致的毛边,通过画一个没有毛边的圆遮挡
SolidBrush solidBrush1 = new SolidBrush(Color.White);
e.Graphics.DrawEllipse(new Pen(solidBrush1, ), new Rectangle(-, this.ucWave1.Height - this.Height - , this.Width + , this.Height + ));
}
string strValue = ((double)m_value / (double)m_maxValue).ToString("0.%");
System.Drawing.SizeF sizeF = e.Graphics.MeasureString(strValue, Font);
e.Graphics.DrawString(strValue, Font, new SolidBrush(ForeColor), new PointF((this.Width - sizeF.Width) / , (this.ucWave1.Height - this.Height) + (this.Height - sizeF.Height) / ));
} void UCProcessWave_SizeChanged(object sender, EventArgs e)
{
if (!m_isRectangle)
{
base.ConerRadius = Math.Min(this.Width, this.Height);
if (this.Width != this.Height)
{
this.Size = new Size(Math.Min(this.Width, this.Height), Math.Min(this.Width, this.Height));
}
}
} protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
e.Graphics.SetGDIHigh();
if (!m_isRectangle)
{
//这里曲线救国,因为设置了控件区域导致的毛边,通过画一个没有毛边的圆遮挡
SolidBrush solidBrush = new SolidBrush(Color.White);
e.Graphics.DrawEllipse(new Pen(solidBrush, ), new Rectangle(-, -, this.Width + , this.Height + ));
}
string strValue = ((double)m_value / (double)m_maxValue).ToString("0.%");
System.Drawing.SizeF sizeF = e.Graphics.MeasureString(strValue, Font);
e.Graphics.DrawString(strValue, Font, new SolidBrush(ForeColor), new PointF((this.Width - sizeF.Width) / , (this.Height - sizeF.Height) / + ));
}
}
}
 namespace HZH_Controls.Controls
{
partial class UCProcessWave
{
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.IContainer components = null; /// <summary>
/// 清理所有正在使用的资源。
/// </summary>
/// <param name="disposing">如果应释放托管资源,为 true;否则为 false。</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
} #region 组件设计器生成的代码 /// <summary>
/// 设计器支持所需的方法 - 不要
/// 使用代码编辑器修改此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.ucWave1 = new HZH_Controls.Controls.UCWave();
this.SuspendLayout();
//
// ucWave1
//
this.ucWave1.Dock = System.Windows.Forms.DockStyle.Bottom;
this.ucWave1.Location = new System.Drawing.Point(, );
this.ucWave1.Name = "ucWave1";
this.ucWave1.Size = new System.Drawing.Size(, );
this.ucWave1.TabIndex = ;
this.ucWave1.Text = "ucWave1";
this.ucWave1.WaveColor = System.Drawing.Color.FromArgb(((int)(((byte)()))), ((int)(((byte)()))), ((int)(((byte)()))));
this.ucWave1.WaveHeight = ;
this.ucWave1.WaveSleep = ;
this.ucWave1.WaveWidth = ;
//
// UCProcessWave
//
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.None;
this.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)()))), ((int)(((byte)()))), ((int)(((byte)()))));
this.Controls.Add(this.ucWave1);
this.Name = "UCProcessWave";
this.Size = new System.Drawing.Size(, );
this.ResumeLayout(false); } #endregion private UCWave ucWave1;
}
}

最后的话

如果你喜欢的话,请到 https://gitee.com/kwwwvagaa/net_winform_custom_control 点个星星吧

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