（六十）c#Winform自定义控件-鼓风机（工业）
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
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NuGet
Install-Package HZH_Controls
目录
https://www.cnblogs.com/bfyx/p/11364884.html
用处及效果
可用作水泵，风机，涡轮等
准备工作
GDI+画的，不懂的可以自行百度一下
开始
添加2个枚举，分别控制进出风口的位置
1 ///2 /// Enum BlowerEntranceDirection 3 /// 4 public enum BlowerEntranceDirection 5 { 6 /// 7 /// The none 8 /// 9 None, 10 /// 11 /// The left 12 /// 13 Left, 14 /// 15 /// The right 16 /// 17 Right, 18 /// 19 /// Up 20 /// 21 Up 22 } 23 24 /// 25 /// Enum BlowerExitDirection 26 /// 27 public enum BlowerExitDirection 28 { 29 /// 30 /// The left 31 /// 32 Left, 33 /// 34 /// The right 35 /// 36 Right, 37 /// 38 /// Up 39 /// 40 Up 41 }
属性
1 ///2 /// The entrance direction 3 /// 4 private BlowerEntranceDirection entranceDirection = BlowerEntranceDirection.None; 5 6 /// 7 /// Gets or sets the entrance direction. 8 /// 9 /// The entrance direction. 10 [Description("入口方向"), Category("自定义")] 11 public BlowerEntranceDirection EntranceDirection 12 { 13 get { return entranceDirection; } 14 set 15 { 16 entranceDirection = value; 17 Refresh(); 18 } 19 } 20 21 /// 22 /// The exit direction 23 /// 24 private BlowerExitDirection exitDirection = BlowerExitDirection.Right; 25 26 /// 27 /// Gets or sets the exit direction. 28 /// 29 /// The exit direction. 30 [Description("出口方向"), Category("自定义")] 31 public BlowerExitDirection ExitDirection 32 { 33 get { return exitDirection; } 34 set 35 { 36 exitDirection = value; 37 Refresh(); 38 } 39 } 40 41 /// 42 /// The blower color 43 /// 44 private Color blowerColor = Color.FromArgb(255, 77, 59); 45 46 /// 47 /// Gets or sets the color of the blower. 48 /// 49 /// The color of the blower. 50 [Description("风机颜色"), Category("自定义")] 51 public Color BlowerColor 52 { 53 get { return blowerColor; } 54 set 55 { 56 blowerColor = value; 57 Refresh(); 58 } 59 } 60 61 /// 62 /// The fan color 63 /// 64 private Color fanColor = Color.FromArgb(3, 169, 243); 65 66 /// 67 /// Gets or sets the color of the fan. 68 /// 69 /// The color of the fan. 70 [Description("风叶颜色"), Category("自定义")] 71 public Color FanColor 72 { 73 get { return fanColor; } 74 set 75 { 76 fanColor = value; 77 Refresh(); 78 } 79 } 80 81 /// 82 /// The m rect working 83 /// 84 Rectangle m_rectWorking;
重绘
1 protected override void OnPaint(PaintEventArgs e) 2 { 3 base.OnPaint(e); 4 var g = e.Graphics; 5 g.SetGDIHigh(); 6 GraphicsPath pathLineIn = new GraphicsPath(); 7 GraphicsPath pathLineOut = new GraphicsPath(); 8 int intLinePenWidth = 0; 9 10 switch (exitDirection) 11 { 12 case BlowerExitDirection.Left: 13 g.FillRectangle(new SolidBrush(blowerColor), new Rectangle(0, m_rectWorking.Top, this.Width / 2, m_rectWorking.Height / 2 - 5)); 14 intLinePenWidth = m_rectWorking.Height / 2 - 5; 15 pathLineOut.AddLine(new Point(-10, m_rectWorking.Top + (m_rectWorking.Height / 2 - 5) / 2), new Point(m_rectWorking.Left + m_rectWorking.Width / 2, m_rectWorking.Top + (m_rectWorking.Height / 2 - 5) / 2)); 16 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(1, m_rectWorking.Top - 2), new Point(1, m_rectWorking.Top + (m_rectWorking.Height / 2 - 5) + 2)); 17 break; 18 case BlowerExitDirection.Right: 19 g.FillRectangle(new SolidBrush(blowerColor), new Rectangle(this.Width / 2, m_rectWorking.Top, this.Width / 2, m_rectWorking.Height / 2 - 5)); 20 intLinePenWidth = m_rectWorking.Height / 2 - 5; 21 pathLineOut.AddLine(new Point(this.Width + 10, m_rectWorking.Top + (m_rectWorking.Height / 2 - 5) / 2), new Point(m_rectWorking.Left + m_rectWorking.Width / 2, m_rectWorking.Top + (m_rectWorking.Height / 2 - 5) / 2)); 22 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(this.Width - 2, m_rectWorking.Top - 2), new Point(this.Width - 2, m_rectWorking.Top + (m_rectWorking.Height / 2 - 5) + 2)); 23 break; 24 case BlowerExitDirection.Up: 25 g.FillRectangle(new SolidBrush(blowerColor), new Rectangle(m_rectWorking.Right - (m_rectWorking.Width / 2 - 5), 0, m_rectWorking.Width / 2 - 5, this.Height / 2)); 26 intLinePenWidth = m_rectWorking.Width / 2 - 5; 27 pathLineOut.AddLine(new Point(m_rectWorking.Right - (m_rectWorking.Width / 2 - 5) / 2, -10), new Point(m_rectWorking.Right - (m_rectWorking.Width / 2 - 5) / 2, m_rectWorking.Top + m_rectWorking.Height / 2)); 28 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(m_rectWorking.Right + 2, 1), new Point(m_rectWorking.Right - (m_rectWorking.Width / 2 - 5) - 2, 1)); 29 break; 30 } 31 32 switch (entranceDirection) 33 { 34 case BlowerEntranceDirection.Left: 35 g.FillRectangle(new SolidBrush(blowerColor), new Rectangle(0, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5, this.Width / 2, m_rectWorking.Height / 2 - 5)); 36 pathLineIn.AddLine(new Point(-10, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 + (m_rectWorking.Height / 2 - 5) / 2), new Point(m_rectWorking.Left + m_rectWorking.Width / 2, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 + (m_rectWorking.Height / 2 - 5) / 2)); 37 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(1, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 - 2), new Point(1, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 + (m_rectWorking.Height / 2 - 5) + 2)); 38 break; 39 case BlowerEntranceDirection.Right: 40 g.FillRectangle(new SolidBrush(blowerColor), new Rectangle(this.Width / 2, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5, this.Width / 2, m_rectWorking.Height / 2 - 5)); 41 pathLineIn.AddLine(new Point(this.Width + 10, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 + (m_rectWorking.Height / 2 - 5) / 2), new Point(m_rectWorking.Left + m_rectWorking.Width / 2, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 + (m_rectWorking.Height / 2 - 5) / 2)); 42 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(this.Width - 2, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 - 2), new Point(this.Width - 2, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 + (m_rectWorking.Height / 2 - 5) + 2)); 43 break; 44 case BlowerEntranceDirection.Up: 45 g.FillRectangle(new SolidBrush(blowerColor), new Rectangle(m_rectWorking.Left, 0, m_rectWorking.Width / 2 - 5, this.Height / 2)); 46 pathLineIn.AddLine(new Point(m_rectWorking.Left + (m_rectWorking.Width / 2 - 5) / 2, -10), new Point(m_rectWorking.Left + (m_rectWorking.Width / 2 - 5) / 2, m_rectWorking.Top + m_rectWorking.Height / 2)); 47 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(m_rectWorking.Left - 2, 1), new Point(m_rectWorking.Left + (m_rectWorking.Width / 2 - 5) + 2, 1)); 48 break; 49 } 50 51 //渐变色 52 int _intPenWidth = intLinePenWidth; 53 int intCount = _intPenWidth / 2 / 4; 54 for (int i = 0; i < intCount; i++) 55 { 56 int _penWidth = _intPenWidth / 2 - 4 * i; 57 if (_penWidth <= 0) 58 _penWidth = 1; 59 if (entranceDirection != BlowerEntranceDirection.None) 60 g.DrawPath(new Pen(new SolidBrush(Color.FromArgb(40, Color.White.R, Color.White.G, Color.White.B)), _penWidth), pathLineIn); 61 g.DrawPath(new Pen(new SolidBrush(Color.FromArgb(40, Color.White.R, Color.White.G, Color.White.B)), _penWidth), pathLineOut); 62 if (_penWidth == 1) 63 break; 64 } 65 66 //底座 67 GraphicsPath gpDZ = new GraphicsPath(); 68 gpDZ.AddLines(new Point[] 69 { 70 new Point( m_rectWorking.Left+m_rectWorking.Width/2,m_rectWorking.Top+m_rectWorking.Height/2), 71 new Point(m_rectWorking.Left+2,this.Height), 72 new Point(m_rectWorking.Right-2,this.Height) 73 }); 74 gpDZ.CloseAllFigures(); 75 g.FillPath(new SolidBrush(blowerColor), gpDZ); 76 g.FillPath(new SolidBrush(Color.FromArgb(50, Color.White)), gpDZ); 77 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(m_rectWorking.Left, this.Height - 2), new Point(m_rectWorking.Right, this.Height - 2)); 78 79 //中心 80 g.FillEllipse(new SolidBrush(blowerColor), m_rectWorking); 81 g.FillEllipse(new SolidBrush(Color.FromArgb(20, Color.White)), m_rectWorking); 82 83 84 //扇叶 85 Rectangle _rect = new Rectangle(m_rectWorking.Left + (m_rectWorking.Width - (m_rectWorking.Width / 3 * 2)) / 2, m_rectWorking.Top + (m_rectWorking.Height - (m_rectWorking.Width / 3 * 2)) / 2, (m_rectWorking.Width / 3 * 2), (m_rectWorking.Width / 3 * 2)); 86 87 int _splitCount = 8; 88 float fltSplitValue = 360F / (float)_splitCount; 89 for (int i = 0; i <= _splitCount; i++) 90 { 91 float fltAngle = (fltSplitValue * i - 180) % 360; 92 float fltY1 = (float)(_rect.Top + _rect.Width / 2 - ((_rect.Width / 2) * Math.Sin(Math.PI * (fltAngle / 180.00F)))); 93 float fltX1 = (float)(_rect.Left + (_rect.Width / 2 - ((_rect.Width / 2) * Math.Cos(Math.PI * (fltAngle / 180.00F))))); 94 float fltY2 = 0; 95 float fltX2 = 0; 96 97 fltY2 = (float)(_rect.Top + _rect.Width / 2 - ((_rect.Width / 4) * Math.Sin(Math.PI * (fltAngle / 180.00F)))); 98 fltX2 = (float)(_rect.Left + (_rect.Width / 2 - ((_rect.Width / 4) * Math.Cos(Math.PI * (fltAngle / 180.00F))))); 99 100 g.DrawLine(new Pen(new SolidBrush(fanColor), 2), new PointF(fltX1, fltY1), new PointF(fltX2, fltY2)); 101 } 102 103 g.FillEllipse(new SolidBrush(fanColor), new Rectangle(_rect.Left + _rect.Width / 2 - _rect.Width / 4 + 2, _rect.Top + _rect.Width / 2 - _rect.Width / 4 + 2, _rect.Width / 2 - 4, _rect.Width / 2 - 4)); 104 g.FillEllipse(new SolidBrush(Color.FromArgb(50, Color.White)), new Rectangle(_rect.Left - 5, _rect.Top - 5, _rect.Width + 10, _rect.Height + 10)); 105 }
全部代码
1 // *********************************************************************** 2 // Assembly : HZH_Controls 3 // Created : 2019-09-09 4 // 5 // *********************************************************************** 6 //7 // Copyright by Huang Zhenghui(黄正辉) All, QQ group:568015492 QQ:623128629 Email:[email protected] 8 // 9 // 10 // Blog: https://www.cnblogs.com/bfyx 11 // GitHub：https://github.com/kwwwvagaa/NetWinformControl 12 // gitee：https://gitee.com/kwwwvagaa/net_winform_custom_control.git 13 // 14 // If you use this code, please keep this note. 15 // *********************************************************************** 16 using System; 17 using System.Collections.Generic; 18 using System.Linq; 19 using System.Text; 20 using System.Windows.Forms; 21 using System.Drawing; 22 using System.Drawing.Drawing2D; 23 using System.ComponentModel; 24 25 namespace HZH_Controls.Controls 26 { 27 /// 28 /// Class UCBlower. 29 /// Implements the 30 /// 31 /// 32 public class UCBlower : UserControl 33 { 34 /// 35 /// The entrance direction 36 /// 37 private BlowerEntranceDirection entranceDirection = BlowerEntranceDirection.None; 38 39 /// 40 /// Gets or sets the entrance direction. 41 /// 42 /// The entrance direction. 43 [Description("入口方向"), Category("自定义")] 44 public BlowerEntranceDirection EntranceDirection 45 { 46 get { return entranceDirection; } 47 set 48 { 49 entranceDirection = value; 50 Refresh(); 51 } 52 } 53 54 /// 55 /// The exit direction 56 /// 57 private BlowerExitDirection exitDirection = BlowerExitDirection.Right; 58 59 /// 60 /// Gets or sets the exit direction. 61 /// 62 /// The exit direction. 63 [Description("出口方向"), Category("自定义")] 64 public BlowerExitDirection ExitDirection 65 { 66 get { return exitDirection; } 67 set 68 { 69 exitDirection = value; 70 Refresh(); 71 } 72 } 73 74 /// 75 /// The blower color 76 /// 77 private Color blowerColor = Color.FromArgb(255, 77, 59); 78 79 /// 80 /// Gets or sets the color of the blower. 81 /// 82 /// The color of the blower. 83 [Description("风机颜色"), Category("自定义")] 84 public Color BlowerColor 85 { 86 get { return blowerColor; } 87 set 88 { 89 blowerColor = value; 90 Refresh(); 91 } 92 } 93 94 /// 95 /// The fan color 96 /// 97 private Color fanColor = Color.FromArgb(3, 169, 243); 98 99 /// 100 /// Gets or sets the color of the fan. 101 /// 102 /// The color of the fan. 103 [Description("风叶颜色"), Category("自定义")] 104 public Color FanColor 105 { 106 get { return fanColor; } 107 set 108 { 109 fanColor = value; 110 Refresh(); 111 } 112 } 113 114 /// 115 /// The m rect working 116 /// 117 Rectangle m_rectWorking; 118 119 /// 120 /// Initializes a new instance of the class. 121 /// 122 public UCBlower() 123 { 124 this.SetStyle(ControlStyles.AllPaintingInWmPaint, true); 125 this.SetStyle(ControlStyles.DoubleBuffer, true); 126 this.SetStyle(ControlStyles.ResizeRedraw, true); 127 this.SetStyle(ControlStyles.Selectable, true); 128 this.SetStyle(ControlStyles.SupportsTransparentBackColor, true); 129 this.SetStyle(ControlStyles.UserPaint, true); 130 this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.None; 131 this.SizeChanged += UCBlower_SizeChanged; 132 this.Size = new Size(120, 120); 133 134 } 135 136 /// 137 /// Handles the SizeChanged event of the UCBlower control. 138 /// 139 /// The source of the event. 140 /// The instance containing the event data. 141 void UCBlower_SizeChanged(object sender, EventArgs e) 142 { 143 int intMin = Math.Min(this.Width, this.Height); 144 m_rectWorking = new Rectangle((this.Width - (intMin / 3 * 2)) / 2, (this.Height - (intMin / 3 * 2)) / 2, (intMin / 3 * 2), (intMin / 3 * 2)); 145 } 146 147 /// 148 /// 引发 事件。 149 /// 150 /// 包含事件数据的 。 151 protected override void OnPaint(PaintEventArgs e) 152 { 153 base.OnPaint(e); 154 var g = e.Graphics; 155 g.SetGDIHigh(); 156 GraphicsPath pathLineIn = new GraphicsPath(); 157 GraphicsPath pathLineOut = new GraphicsPath(); 158 int intLinePenWidth = 0; 159 160 switch (exitDirection) 161 { 162 case BlowerExitDirection.Left: 163 g.FillRectangle(new SolidBrush(blowerColor), new Rectangle(0, m_rectWorking.Top, this.Width / 2, m_rectWorking.Height / 2 - 5)); 164 intLinePenWidth = m_rectWorking.Height / 2 - 5; 165 pathLineOut.AddLine(new Point(-10, m_rectWorking.Top + (m_rectWorking.Height / 2 - 5) / 2), new Point(m_rectWorking.Left + m_rectWorking.Width / 2, m_rectWorking.Top + (m_rectWorking.Height / 2 - 5) / 2)); 166 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(1, m_rectWorking.Top - 2), new Point(1, m_rectWorking.Top + (m_rectWorking.Height / 2 - 5) + 2)); 167 break; 168 case BlowerExitDirection.Right: 169 g.FillRectangle(new SolidBrush(blowerColor), new Rectangle(this.Width / 2, m_rectWorking.Top, this.Width / 2, m_rectWorking.Height / 2 - 5)); 170 intLinePenWidth = m_rectWorking.Height / 2 - 5; 171 pathLineOut.AddLine(new Point(this.Width + 10, m_rectWorking.Top + (m_rectWorking.Height / 2 - 5) / 2), new Point(m_rectWorking.Left + m_rectWorking.Width / 2, m_rectWorking.Top + (m_rectWorking.Height / 2 - 5) / 2)); 172 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(this.Width - 2, m_rectWorking.Top - 2), new Point(this.Width - 2, m_rectWorking.Top + (m_rectWorking.Height / 2 - 5) + 2)); 173 break; 174 case BlowerExitDirection.Up: 175 g.FillRectangle(new SolidBrush(blowerColor), new Rectangle(m_rectWorking.Right - (m_rectWorking.Width / 2 - 5), 0, m_rectWorking.Width / 2 - 5, this.Height / 2)); 176 intLinePenWidth = m_rectWorking.Width / 2 - 5; 177 pathLineOut.AddLine(new Point(m_rectWorking.Right - (m_rectWorking.Width / 2 - 5) / 2, -10), new Point(m_rectWorking.Right - (m_rectWorking.Width / 2 - 5) / 2, m_rectWorking.Top + m_rectWorking.Height / 2)); 178 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(m_rectWorking.Right + 2, 1), new Point(m_rectWorking.Right - (m_rectWorking.Width / 2 - 5) - 2, 1)); 179 break; 180 } 181 182 switch (entranceDirection) 183 { 184 case BlowerEntranceDirection.Left: 185 g.FillRectangle(new SolidBrush(blowerColor), new Rectangle(0, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5, this.Width / 2, m_rectWorking.Height / 2 - 5)); 186 pathLineIn.AddLine(new Point(-10, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 + (m_rectWorking.Height / 2 - 5) / 2), new Point(m_rectWorking.Left + m_rectWorking.Width / 2, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 + (m_rectWorking.Height / 2 - 5) / 2)); 187 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(1, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 - 2), new Point(1, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 + (m_rectWorking.Height / 2 - 5) + 2)); 188 break; 189 case BlowerEntranceDirection.Right: 190 g.FillRectangle(new SolidBrush(blowerColor), new Rectangle(this.Width / 2, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5, this.Width / 2, m_rectWorking.Height / 2 - 5)); 191 pathLineIn.AddLine(new Point(this.Width + 10, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 + (m_rectWorking.Height / 2 - 5) / 2), new Point(m_rectWorking.Left + m_rectWorking.Width / 2, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 + (m_rectWorking.Height / 2 - 5) / 2)); 192 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(this.Width - 2, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 - 2), new Point(this.Width - 2, m_rectWorking.Bottom - m_rectWorking.Height / 2 + 5 + (m_rectWorking.Height / 2 - 5) + 2)); 193 break; 194 case BlowerEntranceDirection.Up: 195 g.FillRectangle(new SolidBrush(blowerColor), new Rectangle(m_rectWorking.Left, 0, m_rectWorking.Width / 2 - 5, this.Height / 2)); 196 pathLineIn.AddLine(new Point(m_rectWorking.Left + (m_rectWorking.Width / 2 - 5) / 2, -10), new Point(m_rectWorking.Left + (m_rectWorking.Width / 2 - 5) / 2, m_rectWorking.Top + m_rectWorking.Height / 2)); 197 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(m_rectWorking.Left - 2, 1), new Point(m_rectWorking.Left + (m_rectWorking.Width / 2 - 5) + 2, 1)); 198 break; 199 } 200 201 //渐变色 202 int _intPenWidth = intLinePenWidth; 203 int intCount = _intPenWidth / 2 / 4; 204 for (int i = 0; i < intCount; i++) 205 { 206 int _penWidth = _intPenWidth / 2 - 4 * i; 207 if (_penWidth <= 0) 208 _penWidth = 1; 209 if (entranceDirection != BlowerEntranceDirection.None) 210 g.DrawPath(new Pen(new SolidBrush(Color.FromArgb(40, Color.White.R, Color.White.G, Color.White.B)), _penWidth), pathLineIn); 211 g.DrawPath(new Pen(new SolidBrush(Color.FromArgb(40, Color.White.R, Color.White.G, Color.White.B)), _penWidth), pathLineOut); 212 if (_penWidth == 1) 213 break; 214 } 215 216 //底座 217 GraphicsPath gpDZ = new GraphicsPath(); 218 gpDZ.AddLines(new Point[] 219 { 220 new Point( m_rectWorking.Left+m_rectWorking.Width/2,m_rectWorking.Top+m_rectWorking.Height/2), 221 new Point(m_rectWorking.Left+2,this.Height), 222 new Point(m_rectWorking.Right-2,this.Height) 223 }); 224 gpDZ.CloseAllFigures(); 225 g.FillPath(new SolidBrush(blowerColor), gpDZ); 226 g.FillPath(new SolidBrush(Color.FromArgb(50, Color.White)), gpDZ); 227 g.DrawLine(new Pen(new SolidBrush(blowerColor), 3), new Point(m_rectWorking.Left, this.Height - 2), new Point(m_rectWorking.Right, this.Height - 2)); 228 229 //中心 230 g.FillEllipse(new SolidBrush(blowerColor), m_rectWorking); 231 g.FillEllipse(new SolidBrush(Color.FromArgb(20, Color.White)), m_rectWorking); 232 233 234 //扇叶 235 Rectangle _rect = new Rectangle(m_rectWorking.Left + (m_rectWorking.Width - (m_rectWorking.Width / 3 * 2)) / 2, m_rectWorking.Top + (m_rectWorking.Height - (m_rectWorking.Width / 3 * 2)) / 2, (m_rectWorking.Width / 3 * 2), (m_rectWorking.Width / 3 * 2)); 236 237 int _splitCount = 8; 238 float fltSplitValue = 360F / (float)_splitCount; 239 for (int i = 0; i <= _splitCount; i++) 240 { 241 float fltAngle = (fltSplitValue * i - 180) % 360; 242 float fltY1 = (float)(_rect.Top + _rect.Width / 2 - ((_rect.Width / 2) * Math.Sin(Math.PI * (fltAngle / 180.00F)))); 243 float fltX1 = (float)(_rect.Left + (_rect.Width / 2 - ((_rect.Width / 2) * Math.Cos(Math.PI * (fltAngle / 180.00F))))); 244 float fltY2 = 0; 245 float fltX2 = 0; 246 247 fltY2 = (float)(_rect.Top + _rect.Width / 2 - ((_rect.Width / 4) * Math.Sin(Math.PI * (fltAngle / 180.00F)))); 248 fltX2 = (float)(_rect.Left + (_rect.Width / 2 - ((_rect.Width / 4) * Math.Cos(Math.PI * (fltAngle / 180.00F))))); 249 250 g.DrawLine(new Pen(new SolidBrush(fanColor), 2), new PointF(fltX1, fltY1), new PointF(fltX2, fltY2)); 251 } 252 253 g.FillEllipse(new SolidBrush(fanColor), new Rectangle(_rect.Left + _rect.Width / 2 - _rect.Width / 4 + 2, _rect.Top + _rect.Width / 2 - _rect.Width / 4 + 2, _rect.Width / 2 - 4, _rect.Width / 2 - 4)); 254 g.FillEllipse(new SolidBrush(Color.FromArgb(50, Color.White)), new Rectangle(_rect.Left - 5, _rect.Top - 5, _rect.Width + 10, _rect.Height + 10)); 255 } 256 } 257 /// 258 /// Enum BlowerEntranceDirection 259 /// 260 public enum BlowerEntranceDirection 261 { 262 /// 263 /// The none 264 /// 265 None, 266 /// 267 /// The left 268 /// 269 Left, 270 /// 271 /// The right 272 /// 273 Right, 274 /// 275 /// Up 276 /// 277 Up 278 } 279 280 /// 281 /// Enum BlowerExitDirection 282 /// 283 public enum BlowerExitDirection 284 { 285 /// 286 /// The left 287 /// 288 Left, 289 /// 290 /// The right 291 /// 292 Right, 293 /// 294 /// Up 295 /// 296 Up 297 } 298 }
添加一个类UCBlower ，继承UserControl
最后的话
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