LIBMAS/Core/CustomControl/TriangleTrackBar.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace PaintDotNet.CustomControl
{
    public partial class TriangleTrackBar : UserControl
    {
        private TriangleButton triangleButtonSubtract;
        private TriangleButton triangleButtonPlus;
        public TrackBar trackBar1;

        #region 设置trackBar的属性和事件

        ////
        //// 摘要:
        ////     在通过鼠标或键盘操作移动滚动框时发生。
        //[SRCategoryAttribute("CatBehavior")]
        //[SRDescriptionAttribute("TrackBarOnScrollDescr")]
        public event EventHandler TrackBarScroll;

        #endregion


        /// <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 - 不要修改
        /// 使用代码编辑器修改此方法的内容。
        /// </summary>
        private void InitializeComponent()
        {
            this.trackBar1 = new System.Windows.Forms.TrackBar();
            this.triangleButtonSubtract = new PaintDotNet.CustomControl.TriangleButton();
            this.triangleButtonPlus = new PaintDotNet.CustomControl.TriangleButton();
            ((System.ComponentModel.ISupportInitialize)(this.trackBar1)).BeginInit();
            this.SuspendLayout();
            // 
            // trackBar1
            // 
            this.trackBar1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
            | System.Windows.Forms.AnchorStyles.Left) 
            | System.Windows.Forms.AnchorStyles.Right)));
            this.trackBar1.AutoSize = false;
            this.trackBar1.Location = new System.Drawing.Point(10, 4);
            this.trackBar1.Margin = new System.Windows.Forms.Padding(2);
            this.trackBar1.Name = "trackBar1";
            this.trackBar1.Size = new System.Drawing.Size(180, 23);
            this.trackBar1.TabIndex = 25;
            this.trackBar1.TickStyle = System.Windows.Forms.TickStyle.None;
            this.trackBar1.Scroll += new System.EventHandler(this.trackBar1_Scroll);
            // 
            // triangleButtonSubtract
            // 
            this.triangleButtonSubtract.AlignmentStyle = System.Windows.Forms.AnchorStyles.Right;
            this.triangleButtonSubtract.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
            | System.Windows.Forms.AnchorStyles.Left)));
            this.triangleButtonSubtract.BackColor = System.Drawing.Color.Transparent;
            this.triangleButtonSubtract.Location = new System.Drawing.Point(4, 8);
            this.triangleButtonSubtract.Name = "triangleButtonSubtract";
            this.triangleButtonSubtract.Size = new System.Drawing.Size(10, 12);
            this.triangleButtonSubtract.TabIndex = 27;
            this.triangleButtonSubtract.Click += new System.EventHandler(this.buttonSubtract_Click);
            // 
            // triangleButtonPlus
            // 
            this.triangleButtonPlus.AlignmentStyle = System.Windows.Forms.AnchorStyles.Left;
            this.triangleButtonPlus.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
            | System.Windows.Forms.AnchorStyles.Right)));
            this.triangleButtonPlus.BackColor = System.Drawing.Color.Transparent;
            this.triangleButtonPlus.Location = new System.Drawing.Point(186, 8);
            this.triangleButtonPlus.Name = "triangleButtonPlus";
            this.triangleButtonPlus.Size = new System.Drawing.Size(10, 12);
            this.triangleButtonPlus.TabIndex = 26;
            this.triangleButtonPlus.Click += new System.EventHandler(this.buttonPlus_Click);
            // 
            // TriangleTrackBar
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.Controls.Add(this.triangleButtonSubtract);
            this.Controls.Add(this.triangleButtonPlus);
            this.Controls.Add(this.trackBar1);
            this.Name = "TriangleTrackBar";
            this.Size = new System.Drawing.Size(200, 30);
            ((System.ComponentModel.ISupportInitialize)(this.trackBar1)).EndInit();
            this.ResumeLayout(false);

        }

        #endregion

        public TriangleTrackBar()
        {
            InitializeComponent();
        }

        /// <summary>
        /// 设置trackBar的滚动事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void trackBar1_Scroll(object sender, EventArgs e)
        {
            this.TrackBarScroll?.Invoke(sender, e);
        }

        #region 设置trackBar的属性

        [Browsable(true)]
        public int Value { get
            {
                return trackBar1.Value;
            }
            set
            {
                trackBar1.Value = value;
            }
        }

        //[Browsable(true)]
        //public TickStyle TickStyle { get
        //    {
        //        return trackBar1.TickStyle;
        //    }
        //    set
        //    {
        //        trackBar1.TickStyle = value;
        //    }
        //}

        [Browsable(true)]
        public int Minimum { get
            {
                return this.trackBar1.Minimum;
            }
            set
            {
                this.trackBar1.Minimum = value;
            }
        }

        [Browsable(true)]
        public int Maximum
        {
            get
            {
                return this.trackBar1.Maximum;
            }
            set
            {
                this.trackBar1.Maximum = value;
            }
        }

        //[Browsable(true)]
        //public bool TrackBarAutoSize
        //{
        //    get
        //    {
        //        return this.trackBar1.AutoSize;
        //    }
        //    set
        //    {
        //        this.trackBar1.AutoSize = value;
        //    }
        //}

        #endregion

        /// <summary>
        /// 减操作
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void buttonSubtract_Click(object sender, EventArgs e)
        {
            this.trackBar1.Value = Math.Max(this.trackBar1.Value - 1, this.trackBar1.Minimum);
            this.TrackBarScroll?.Invoke(this.trackBar1, e);//待优化
        }

        /// <summary>
        /// 加操作
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void buttonPlus_Click(object sender, EventArgs e)
        {
            this.trackBar1.Value = Math.Min(this.trackBar1.Value + 1, this.trackBar1.Maximum);
            this.TrackBarScroll?.Invoke(this.trackBar1, e);
        }
    }
}