C#實現(xiàn)滑動開關(guān)效果
更新時間:2021年07月26日 11:08:10 作者:qq53716684
這篇文章主要為大家詳細(xì)介紹了C#實現(xiàn)滑動開關(guān)效果,文中示例代碼介紹的非常詳細(xì),具有一定的參考價值,感興趣的小伙伴們可以參考一下
C#重繪checkbox生成滑動開關(guān),供大家參考,具體內(nèi)容如下
通過調(diào)用checkbox控件的paint事件,在重繪事件里判斷checked屬性,如果選中繪制選中圖形,如果未選中繪制未選中圖形。
效果圖:
繪制圓角矩形方法:
/// <summary> /// 填充圓角矩形 /// </summary> /// <param name="g"></param> /// <param name="brush"></param> /// <param name="rect"></param> /// <param name="cornerRadius"></param> public static void FillRoundRectangle(Graphics g, Brush brush, Rectangle rect, int cornerRadius) { using (GraphicsPath path = CreateRoundedRectanglePath(rect, cornerRadius)) { g.FillPath(brush, path); } } /// <summary> /// 圓角矩形路徑 /// </summary> /// <param name="rect"></param> /// <param name="cornerRadius"></param> /// <returns></returns> internal static GraphicsPath CreateRoundedRectanglePath(Rectangle rect, int cornerRadius) { GraphicsPath roundedRect = new GraphicsPath(); roundedRect.AddArc(rect.X, rect.Y, cornerRadius * 2, cornerRadius * 2, 180, 90); roundedRect.AddLine(rect.X + cornerRadius, rect.Y, rect.Right - cornerRadius * 2, rect.Y); roundedRect.AddArc(rect.X + rect.Width - cornerRadius * 2, rect.Y, cornerRadius * 2, cornerRadius * 2, 270, 90); roundedRect.AddLine(rect.Right, rect.Y + cornerRadius * 2, rect.Right, rect.Y + rect.Height - cornerRadius * 2); roundedRect.AddArc(rect.X + rect.Width - cornerRadius * 2, rect.Y + rect.Height - cornerRadius * 2, cornerRadius * 2, cornerRadius * 2, 0, 90); roundedRect.AddLine(rect.Right - cornerRadius * 2, rect.Bottom, rect.X + cornerRadius * 2, rect.Bottom); roundedRect.AddArc(rect.X, rect.Bottom - cornerRadius * 2, cornerRadius * 2, cornerRadius * 2, 90, 90); roundedRect.AddLine(rect.X, rect.Bottom - cornerRadius * 2, rect.X, rect.Y + cornerRadius * 2); roundedRect.CloseFigure(); return roundedRect; }
重繪代碼:
private void RectangleCheckBoxButton(object sender, PaintEventArgs e) { CheckBox rButton = (CheckBox)sender; Graphics g = e.Graphics; g.Clear(this.BackColor); Rectangle RoundRect = new Rectangle(0, 0, 50, 30); g.SmoothingMode = SmoothingMode.AntiAlias; //FillRoundRectangle(g, Brushes.White, radioButtonrect, 15); if (rButton.Checked) { Color color =Color.FromArgb( 55, 197, 90); Brush b1 = new SolidBrush(color); FillRoundRectangle(g, b1, RoundRect, 15); using (Pen pen = new Pen(Color.FromArgb(255, 255, 255))) { FillRoundRectangle(g, Brushes.White, new Rectangle(22, 2,26, 26), 13); } } else { using (Pen pen = new Pen(Color.FromArgb(255, 255, 255))) { FillRoundRectangle(g, Brushes.Silver, RoundRect, 15); FillRoundRectangle(g,Brushes.White, new Rectangle(2, 2, 26, 26), 13); } } Font f = new Font("微軟雅黑", 12); g.DrawString(((CheckBox)sender).Text,f , Brushes.White, new PointF(60, 6)); }
調(diào)用:
private void checkBox1_Paint(object sender, PaintEventArgs e) { RectangleCheckBoxButton(sender, e); }
以上就是本文的全部內(nèi)容,希望對大家的學(xué)習(xí)有所幫助,也希望大家多多支持腳本之家。
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