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Winform treeview控件设计及应用源码

于 2017-04-28 发布

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C#winform 控件开发 TreeView实例

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c#Winform自定义控件-基类控件，按钮，有图标的按钮，选择按钮组，复选框，单选框，进度条，分割线，树，横向列表，列表，分页控件，导航菜单，键盘，文本框，表格，日期控件，Tab页，下拉框，步骤控件，有标题的面板，圆形进度条，面包屑导航，开关等等。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;namespace HZH_Controls.Controls{ /// /// Class UCBtnsGroup. /// Implements the /// /// public partial class UCBtnsGroup : UserControl { /// /// 选中改变事件 /// [Description("选中改变事件"), Category("自定义")] public event EventHandler SelectedItemChanged; /// /// The m data source /// private Dictionary m_dataSource = new Dictionary(); /// /// 数据源 /// /// The data source. [Description("数据源"), Category("自定义")] public Dictionary DataSource { get { return m_dataSource; } set { m_dataSource = value; Reload(); } } /// /// The m select item /// private List m_selectItem = new List(); /// /// 选中项 /// /// The select item. [Description("选中项"), Category("自定义")] public List SelectItem { get { return m_selectItem; } set { m_selectItem = value; if (m_selectItem == null) m_selectItem = new List(); SetSelected(); } } /// /// The m is multiple /// private bool m_isMultiple = false; /// /// 是否多选 /// /// true if this instance is multiple; otherwise, false. [Description("是否多选"), Category("自定义")] public bool IsMultiple { get { return m_isMultiple; } set { m_isMultiple = value; } } /// /// Initializes a new instance of the class. /// public UCBtnsGroup() { InitializeComponent(); } /// /// Reloads this instance. /// private void Reload() { try { ControlHelper.FreezeControl(flowLayoutPanel1, true); this.flowLayoutPanel1.Controls.Clear(); if (DataSource != null) { foreach (var item in DataSource) { UCBtnExt btn = new UCBtnExt(); btn.BackColor = System.Drawing.Color.Transparent; btn.BtnBackColor = System.Drawing.Color.White; btn.BtnFont = new System.Drawing.Font("微软雅黑", 10F); btn.BtnForeColor = System.Drawing.Color.Gray; btn.BtnText = item.Value; btn.ConerRadius = 5; btn.Cursor = System.Windows.Forms.Cursors.Hand; btn.FillColor = System.Drawing.Color.White; btn.Font = new System.Drawing.Font("微软雅黑", 15F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Pixel); btn.IsRadius = true; btn.IsShowRect = true; btn.IsShowTips = false; btn.Location = new System.Drawing.Point(5, 5); btn.Margin = new System.Windows.Forms.Padding(5); btn.Name = item.Key; btn.RectColor = System.Drawing.Color.FromArgb(224, 224, 224); btn.RectWidth = 1; btn.Size = new System.Drawing.Size(72, 38); btn.TabStop = false; btn.BtnClick = btn_BtnClick; this.flowLayoutPanel1.Controls.Add(btn); } } } finally { ControlHelper.FreezeControl(flowLayoutPanel1, false); } SetSelected(); } /// /// Handles the BtnClick event of the btn control. /// /// The source of the event. /// The instance containing the event data. void btn_BtnClick(object sender, EventArgs e) { var btn = sender as UCBtnExt; if (m_selectItem.Contains(btn.Name)) { btn.RectColor = System.Drawing.Color.FromArgb(224, 224, 224); m_selectItem.Remove(btn.Name); } else { if (!m_isMultiple) { foreach (var item in m_selectItem) { var lst = this.flowLayoutPanel1.Controls.Find(item, false); if (lst.Length == 1) { var _btn = lst[0] as UCBtnExt; _btn.RectColor = System.Drawing.Color.FromArgb(224, 224, 224); } } m_selectItem.Clear(); } btn.RectColor = System.Drawing.Color.FromArgb(255, 77, 59); m_selectItem.Add(btn.Name); } if (SelectedItemChanged != null) SelectedItemChanged(this, e); } /// /// Sets the selected. /// private void SetSelected() { if (m_selectItem != null && m_selectItem.Count > 0 && DataSource != null && DataSource.Count > 0) { try { ControlHelper.FreezeControl(flowLayoutPanel1, true); if (m_isMultiple) { foreach (var item in m_selectItem) { var lst = this.flowLayoutPanel1.Controls.Find(item, false); if (lst.Length == 1) { var btn = lst[0] as UCBtnExt; btn.RectColor = System.Drawing.Color.FromArgb(255, 77, 59); } } } else { UCBtnExt btn = null; foreach (var item in m_selectItem) { var lst = this.flowLayoutPanel1.Controls.Find(item, false); if (lst.Length == 1) { btn = lst[0] as UCBtnExt; break; } } if (btn != null) { m_selectItem = new List() { btn.Name }; btn.RectColor = System.Drawing.Color.FromArgb(255, 77, 59); } } } finally { ControlHelper.FreezeControl(flowLayoutPanel1, false); } } } }}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{ /// /// Class UCStep. /// Implements the /// /// [DefaultEvent("IndexChecked")] public partial class UCStep : UserControl { /// /// Occurs when [index checked]. /// [Description("步骤更改事件"), Category("自定义")] public event EventHandler IndexChecked; /// /// The m step back color /// private Color m_stepBackColor = Color.FromArgb(189, 189, 189); /// /// 步骤背景色 /// /// The color of the step back. [Description("步骤背景色"), Category("自定义")] public Color StepBackColor { get { return m_stepBackColor; } set { m_stepBackColor = value; Refresh(); } } /// /// The m step fore color /// private Color m_stepForeColor = Color.FromArgb(255, 77, 59); /// /// 步骤前景色 /// /// The color of the step fore. [Description("步骤前景色"), Category("自定义")] public Color StepForeColor { get { return m_stepForeColor; } set { m_stepForeColor = value; Refresh(); } } /// /// The m step font color /// private Color m_stepFontColor = Color.White; /// /// 步骤文字颜色 /// /// The color of the step font. [Description("步骤文字景色"), Category("自定义")] public Color StepFontColor { get { return m_stepFontColor; } set { m_stepFontColor = value; Refresh(); } } /// /// The m step width /// private int m_stepWidth = 35; /// /// 步骤宽度 /// /// The width of the step. [Description("步骤宽度景色"), Category("自定义")] public int StepWidth { get { return m_stepWidth; } set { m_stepWidth = value; Refresh(); } } /// /// The m steps /// private string[] m_steps = new string[] { "step1", "step2", "step3" }; /// /// Gets or sets the steps. /// /// The steps. [Description("步骤"), Category("自定义")] public string[] Steps { get { return m_steps; } set { if (m_steps == null || m_steps.Length Steps.Length) return; m_stepIndex = value; Refresh(); if (IndexChecked != null) { IndexChecked(this, null); } } } /// /// The m line width /// private int m_lineWidth = 2; /// /// Gets or sets the width of the line. /// /// The width of the line. [Description("连接线宽度,最小2"), Category("自定义")] public int LineWidth { get { return m_lineWidth; } set { if (value < 2) return; m_lineWidth = value; Refresh(); } } /// /// The m img completed /// private Image m_imgCompleted = null; /// /// Gets or sets the img completed. /// /// The img completed. [Description("已完成步骤图片，当不为空时，已完成步骤将不再显示数字,建议24*24大小"), Category("自定义")] public Image ImgCompleted { get { return m_imgCompleted; } set { m_imgCompleted = value; Refresh(); } } /// /// The m LST cache rect /// List m_lstCacheRect = new List(); /// /// Initializes a new instance of the class. /// public UCStep() { 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 = UCStep_MouseDown; } /// /// Handles the MouseDown event of the UCStep control. /// /// The source of the event. /// The instance containing the event data. void UCStep_MouseDown(object sender, MouseEventArgs e) { var index = m_lstCacheRect.FindIndex(p => p.Contains(e.Location)); if (index >= 0) { StepIndex = index 1; } } /// /// 引发事件。 /// /// 包含事件数据的。 protected override void OnPaint(PaintEventArgs e) { base.OnPaint(e); var g = e.Graphics; g.SetGDIHigh(); if (m_steps != null && m_steps.Length > 0) { System.Drawing.SizeF sizeFirst = g.MeasureString(m_steps[0], this.Font); int y = (this.Height - m_stepWidth - 10 - (int)sizeFirst.Height) / 2; if (y < 0) y = 0; int intTxtY = y m_stepWidth 10; int intLeft = 0; if (sizeFirst.Width > m_stepWidth) { intLeft = (int)(sizeFirst.Width - m_stepWidth) / 2 1; } int intRight = 0; System.Drawing.SizeF sizeEnd = g.MeasureString(m_steps[m_steps.Length - 1], this.Font); if (sizeEnd.Width > m_stepWidth) { intRight = (int)(sizeEnd.Width - m_stepWidth) / 2 1; } int intSplitWidth = 20; intSplitWidth = (this.Width - m_steps.Length - (m_steps.Length * m_stepWidth) - intRight - intLeft) / (m_steps.Length - 1); if (intSplitWidth < 20) intSplitWidth = 20; m_lstCacheRect = new List(); for (int i = 0; i < m_steps.Length; i ) { #region 画圆，横线 Rectangle rectEllipse = new Rectangle(new Point(intLeft i * (m_stepWidth intSplitWidth), y), new Size(m_stepWidth, m_stepWidth)); m_lstCacheRect.Add(rectEllipse); g.FillEllipse(new SolidBrush(m_stepBackColor), rectEllipse); if (m_stepIndex > i) { g.FillEllipse(new SolidBrush(m_stepForeColor), new Rectangle(new Point(intLeft i * (m_stepWidth intSplitWidth) 2, y 2), new Size(m_stepWidth - 4, m_stepWidth - 4))); } if (m_stepIndex > i && m_imgCompleted != null) { g.DrawImage(m_imgCompleted, new Rectangle(new Point((intLeft i * (m_stepWidth intSplitWidth) (m_stepWidth - 24) / 2), y (m_stepWidth - 24) / 2), new Size(24, 24)), 0, 0, m_imgCompleted.Width, m_imgCompleted.Height, GraphicsUnit.Pixel, null); } else { System.Drawing.SizeF _numSize = g.MeasureString((i 1).ToString(), this.Font); g.DrawString((i 1).ToString(), Font, new SolidBrush(m_stepFontColor), new Point(intLeft i * (m_stepWidth intSplitWidth) (m_stepWidth - (int)_numSize.Width) / 2 1, y (m_stepWidth - (int)_numSize.Height) / 2 1)); } #endregion System.Drawing.SizeF sizeTxt = g.MeasureString(m_steps[i], this.Font); g.DrawString(m_steps[i], Font, new SolidBrush(m_stepIndex > i ? m_stepForeColor : m_stepBackColor), new Point(intLeft i * (m_stepWidth intSplitWidth) (m_stepWidth - (int)sizeTxt.Width) / 2 1, intTxtY)); } for (int i = 0; i < m_steps.Length; i ) { if (m_stepIndex > i) { if (i != m_steps.Length - 1) { if (m_stepIndex == i 1) { g.DrawLine(new Pen(m_stepForeColor, m_lineWidth), new Point(intLeft i * (m_stepWidth intSplitWidth) m_stepWidth - 3, y ((m_stepWidth) / 2)), new Point(intLeft i * (m_stepWidth intSplitWidth) m_stepWidth intSplitWidth / 2, y ((m_stepWidth) / 2))); g.DrawLine(new Pen(m_stepBackColor, m_lineWidth), new Point(intLeft i * (m_stepWidth intSplitWidth) m_stepWidth intSplitWidth / 2, y ((m_stepWidth) / 2)), new Point(intLeft (i 1) * (m_stepWidth intSplitWidth) 10, y ((m_stepWidth) / 2))); } else { g.DrawLine(new Pen(m_stepForeColor, m_lineWidth), new Point(intLeft i * (m_stepWidth intSplitWidth) m_stepWidth - 3, y ((m_stepWidth) / 2)), new Point(intLeft (i 1) * (m_stepWidth intSplitWidth) 10, y ((m_stepWidth) / 2))); } } } else { if (i != m_steps.Length - 1) { g.DrawLine(new Pen(m_stepBackColor, m_lineWidth), new Point(intLeft i * (m_stepWidth intSplitWidth) m_stepWidth - 3, y ((m_stepWidth) / 2)), new Point(intLeft (i 1) * (m_stepWidth intSplitWidth) 10, y ((m_stepWidth) / 2))); } } } } } }}

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Winform treeview控件设计及应用源码

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