using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Drawing.Drawing2D; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; namespace Rs.Controls { /// /// Enum SwitchType /// public enum SwitchType { /// /// 椭圆 /// Ellipse, /// /// 四边形 /// Quadrilateral, /// /// 横线 /// Line } public partial class SwitchButton : UserControl { public SwitchButton() { 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); this.MouseDown += UCSwitch_MouseDown; } /// /// Occurs when [checked changed]. /// [Description("选中改变事件"), Category("自定义")] public event EventHandler CheckedChanged; /// /// The m true color /// private Color m_trueColor = Color.FromArgb(255, 77, 59); /// /// Gets or sets the color of the true. /// /// The color of the true. [Description("选中时颜色"), Category("自定义")] public Color TrueColor { get { return m_trueColor; } set { m_trueColor = value; Refresh(); } } private Color m_trueTextColr = Color.White; [Description("选中时文本颜色"), Category("自定义")] public Color TrueTextColr { get { return m_trueTextColr; } set { m_trueTextColr = value; Refresh(); } } /// /// The m false color /// private Color m_falseColor = Color.FromArgb(189, 189, 189); /// /// Gets or sets the color of the false. /// /// The color of the false. [Description("没有选中时颜色"), Category("自定义")] public Color FalseColor { get { return m_falseColor; } set { m_falseColor = value; Refresh(); } } private Color m_falseTextColr = Color.White; [Description("没有选中时文本颜色"), Category("自定义")] public Color FalseTextColr { get { return m_falseTextColr; } set { m_falseTextColr = value; Refresh(); } } /// /// The m checked /// private bool m_checked; /// /// Gets or sets a value indicating whether this is checked. /// /// true if checked; otherwise, false. [Description("是否选中"), Category("自定义")] public bool Checked { get { return m_checked; } set { m_checked = value; Refresh(); if (CheckedChanged != null) { CheckedChanged(this, null); } } } /// /// The m texts /// private string[] m_texts; /// /// Gets or sets the texts. /// /// The texts. [Description("文本值,当选中或没有选中时显示,必须是长度为2的数组"), Category("自定义")] public string[] Texts { get { return m_texts; } set { m_texts = value; Refresh(); } } /// /// The m switch type /// private SwitchType m_switchType = SwitchType.Ellipse; /// /// Gets or sets the type of the switch. /// /// The type of the switch. [Description("显示类型"), Category("自定义")] public SwitchType SwitchType { get { return m_switchType; } set { m_switchType = value; Refresh(); } } /// /// 获取或设置控件显示的文字的字体。 /// /// The font. /// /// /// /// /// /// public override Font Font { get { return base.Font; } set { base.Font = value; Refresh(); } } /// /// Handles the MouseDown event of the UCSwitch control. /// /// The source of the event. /// The instance containing the event data. void UCSwitch_MouseDown(object sender, MouseEventArgs e) { Checked = !Checked; } protected override void OnPaint(PaintEventArgs e) { base.OnPaint(e); var g = e.Graphics; g.SmoothingMode = SmoothingMode.AntiAlias; //使绘图质量最高,即消除锯齿 g.InterpolationMode = InterpolationMode.HighQualityBicubic; g.CompositingQuality = CompositingQuality.HighQuality; //g.SetGDIHigh(); if (m_switchType == SwitchType.Ellipse) { var fillColor = m_checked ? m_trueColor : m_falseColor; GraphicsPath path = new GraphicsPath(); path.AddLine(new Point(this.Height / 2, 1), new Point(this.Width - this.Height / 2, 1)); path.AddArc(new Rectangle(this.Width - this.Height - 1, 1, this.Height - 2, this.Height - 2), -90, 180); path.AddLine(new Point(this.Width - this.Height / 2, this.Height - 1), new Point(this.Height / 2, this.Height - 1)); path.AddArc(new Rectangle(1, 1, this.Height - 2, this.Height - 2), 90, 180); g.FillPath(new SolidBrush(fillColor), path); string strText = string.Empty; if (m_texts != null && m_texts.Length == 2) { if (m_checked) { strText = m_texts[0]; } else { strText = m_texts[1]; } } if (m_checked) { g.FillEllipse(Brushes.White, new Rectangle(this.Width - this.Height - 1 + 2, 1 + 2, this.Height - 2 - 4, this.Height - 2 - 4)); if (string.IsNullOrEmpty(strText)) { g.DrawEllipse(new Pen(Color.White, 2), new Rectangle((this.Height - 2 - 4) / 2 - ((this.Height - 2 - 4) / 2) / 2, (this.Height - 2 - (this.Height - 2 - 4) / 2) / 2 + 1, (this.Height - 2 - 4) / 2, (this.Height - 2 - 4) / 2)); } else { System.Drawing.SizeF sizeF = g.MeasureString(strText.Replace(" ", "A"), Font); int intTextY = (this.Height - (int)sizeF.Height) / 2 + 2; g.DrawString(strText, Font, new SolidBrush(m_trueTextColr), new Point((this.Height - 2 - 4) / 2, intTextY)); } } else { g.FillEllipse(Brushes.White, new Rectangle(1 + 2, 1 + 2, this.Height - 2 - 4, this.Height - 2 - 4)); if (string.IsNullOrEmpty(strText)) { g.DrawEllipse(new Pen(Color.White, 2), new Rectangle(this.Width - 2 - (this.Height - 2 - 4) / 2 - ((this.Height - 2 - 4) / 2) / 2, (this.Height - 2 - (this.Height - 2 - 4) / 2) / 2 + 1, (this.Height - 2 - 4) / 2, (this.Height - 2 - 4) / 2)); } else { System.Drawing.SizeF sizeF = g.MeasureString(strText.Replace(" ", "A"), Font); int intTextY = (this.Height - (int)sizeF.Height) / 2 + 2; g.DrawString(strText, Font, new SolidBrush(m_falseTextColr), new Point(this.Width - 2 - (this.Height - 2 - 4) / 2 - ((this.Height - 2 - 4) / 2) / 2 - (int)sizeF.Width / 2, intTextY)); } } } else if (m_switchType == SwitchType.Quadrilateral) { var fillColor = m_checked ? m_trueColor : m_falseColor; GraphicsPath path = new GraphicsPath(); int intRadius = 5; path.AddArc(0, 0, intRadius, intRadius, 180f, 90f); path.AddArc(this.Width - intRadius - 1, 0, intRadius, intRadius, 270f, 90f); path.AddArc(this.Width - intRadius - 1, this.Height - intRadius - 1, intRadius, intRadius, 0f, 90f); path.AddArc(0, this.Height - intRadius - 1, intRadius, intRadius, 90f, 90f); g.FillPath(new SolidBrush(fillColor), path); string strText = string.Empty; if (m_texts != null && m_texts.Length == 2) { if (m_checked) { strText = m_texts[0]; } else { strText = m_texts[1]; } } if (m_checked) { GraphicsPath path2 = new GraphicsPath(); path2.AddArc(this.Width - this.Height - 1 + 2, 1 + 2, intRadius, intRadius, 180f, 90f); path2.AddArc(this.Width - 1 - 2 - intRadius, 1 + 2, intRadius, intRadius, 270f, 90f); path2.AddArc(this.Width - 1 - 2 - intRadius, this.Height - 2 - intRadius - 1, intRadius, intRadius, 0f, 90f); path2.AddArc(this.Width - this.Height - 1 + 2, this.Height - 2 - intRadius - 1, intRadius, intRadius, 90f, 90f); g.FillPath(Brushes.White, path2); if (string.IsNullOrEmpty(strText)) { g.DrawEllipse(new Pen(Color.White, 2), new Rectangle((this.Height - 2 - 4) / 2 - ((this.Height - 2 - 4) / 2) / 2, (this.Height - 2 - (this.Height - 2 - 4) / 2) / 2 + 1, (this.Height - 2 - 4) / 2, (this.Height - 2 - 4) / 2)); } else { System.Drawing.SizeF sizeF = g.MeasureString(strText.Replace(" ", "A"), Font); int intTextY = (this.Height - (int)sizeF.Height) / 2 + 2; g.DrawString(strText, Font, new SolidBrush(m_trueTextColr), new Point((this.Height - 2 - 4) / 2, intTextY)); } } else { GraphicsPath path2 = new GraphicsPath(); path2.AddArc(1 + 2, 1 + 2, intRadius, intRadius, 180f, 90f); path2.AddArc(this.Height - 2 - intRadius, 1 + 2, intRadius, intRadius, 270f, 90f); path2.AddArc(this.Height - 2 - intRadius, this.Height - 2 - intRadius - 1, intRadius, intRadius, 0f, 90f); path2.AddArc(1 + 2, this.Height - 2 - intRadius - 1, intRadius, intRadius, 90f, 90f); g.FillPath(Brushes.White, path2); //g.FillEllipse(Brushes.White, new Rectangle(1 + 2, 1 + 2, this.Height - 2 - 4, this.Height - 2 - 4)); if (string.IsNullOrEmpty(strText)) { g.DrawEllipse(new Pen(Color.White, 2), new Rectangle(this.Width - 2 - (this.Height - 2 - 4) / 2 - ((this.Height - 2 - 4) / 2) / 2, (this.Height - 2 - (this.Height - 2 - 4) / 2) / 2 + 1, (this.Height - 2 - 4) / 2, (this.Height - 2 - 4) / 2)); } else { System.Drawing.SizeF sizeF = g.MeasureString(strText.Replace(" ", "A"), Font); int intTextY = (this.Height - (int)sizeF.Height) / 2 + 2; g.DrawString(strText, Font, new SolidBrush(m_falseTextColr), new Point(this.Width - 2 - (this.Height - 2 - 4) / 2 - ((this.Height - 2 - 4) / 2) / 2 - (int)sizeF.Width / 2, intTextY)); } } } else { var fillColor = m_checked ? m_trueColor : m_falseColor; int intLineHeight = (this.Height - 2 - 4) / 2; GraphicsPath path = new GraphicsPath(); path.AddLine(new Point(this.Height / 2, (this.Height - intLineHeight) / 2), new Point(this.Width - this.Height / 2, (this.Height - intLineHeight) / 2)); path.AddArc(new Rectangle(this.Width - this.Height / 2 - intLineHeight - 1, (this.Height - intLineHeight) / 2, intLineHeight, intLineHeight), -90, 180); path.AddLine(new Point(this.Width - this.Height / 2, (this.Height - intLineHeight) / 2 + intLineHeight), new Point(this.Width - this.Height / 2, (this.Height - intLineHeight) / 2 + intLineHeight)); path.AddArc(new Rectangle(this.Height / 2, (this.Height - intLineHeight) / 2, intLineHeight, intLineHeight), 90, 180); g.FillPath(new SolidBrush(fillColor), path); if (m_checked) { g.FillEllipse(new SolidBrush(fillColor), new Rectangle(this.Width - this.Height - 1 + 2, 1 + 2, this.Height - 2 - 4, this.Height - 2 - 4)); g.FillEllipse(Brushes.White, new Rectangle(this.Width - 2 - (this.Height - 2 - 4) / 2 - ((this.Height - 2 - 4) / 2) / 2 - 4, (this.Height - 2 - (this.Height - 2 - 4) / 2) / 2 + 1, (this.Height - 2 - 4) / 2, (this.Height - 2 - 4) / 2)); } else { g.FillEllipse(new SolidBrush(fillColor), new Rectangle(1 + 2, 1 + 2, this.Height - 2 - 4, this.Height - 2 - 4)); g.FillEllipse(Brushes.White, new Rectangle((this.Height - 2 - 4) / 2 - ((this.Height - 2 - 4) / 2) / 2 + 4, (this.Height - 2 - (this.Height - 2 - 4) / 2) / 2 + 1, (this.Height - 2 - 4) / 2, (this.Height - 2 - 4) / 2)); } } } } }