(八十四)c#Winform自定义控件-导航菜单(类Office菜单)
官网
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
欢迎前来交流探讨: 企鹅群568015492
来都来了,点个【推荐】再走吧,谢谢
NuGet
- Install-Package HZH_Controls
目录
https://www.cnblogs.com/bfyx/p/11364884.html
用处及效果
准备工作
没什么准备的,就是组装控件
开始
添加一个用户控件UCNavigationMenuOffice
添加属性
- /// <summary>
- /// The main menu height
- /// </summary>
- private int mainMenuHeight = ;
- /// <summary>
- /// Gets or sets the height of the main menu.
- /// </summary>
- /// <value>The height of the main menu.</value>
- [Description("主菜单高度,大于20的值"), Category("自定义")]
- public int MainMenuHeight
- {
- get { return mainMenuHeight; }
- set
- {
- if (value < )
- return;
- mainMenuHeight = value;
- this.panMenu.Height = value;
- }
- }
- /// <summary>
- /// The expand height
- /// </summary>
- private int expandHeight = ;
- /// <summary>
- /// Gets or sets the height of the expand.
- /// </summary>
- /// <value>The height of the expand.</value>
- [Description("展开后高度"), Category("自定义")]
- public int ExpandHeight
- {
- get { return expandHeight; }
- set { expandHeight = value; }
- }
- /// <summary>
- /// The is expand
- /// </summary>
- private bool isExpand = true;
- /// <summary>
- /// Gets or sets a value indicating whether this instance is expand.
- /// </summary>
- /// <value><c>true</c> if this instance is expand; otherwise, <c>false</c>.</value>
- [Description("是否展开"), Category("自定义")]
- public bool IsExpand
- {
- get { return isExpand; }
- set
- {
- isExpand = value;
- if (value)
- {
- this.Height = expandHeight;
- ResetChildControl();
- }
- else
- {
- this.Height = this.panMenu.Height;
- this.panChilds.Controls.Clear();
- }
- }
- }
- /// <summary>
- /// Occurs when [click itemed].
- /// </summary>
- [Description("点击节点事件"), Category("自定义")]
- public event EventHandler ClickItemed;
- /// <summary>
- /// The select item
- /// </summary>
- private NavigationMenuItemExt selectItem = null;
- /// <summary>
- /// Gets the select item.
- /// </summary>
- /// <value>The select item.</value>
- [Description("选中的节点"), Category("自定义")]
- public NavigationMenuItemExt SelectItem
- {
- get { return selectItem; }
- private set { selectItem = value; }
- }
- /// <summary>
- /// The items
- /// </summary>
- NavigationMenuItemExt[] items;
- /// <summary>
- /// Gets or sets the items.
- /// </summary>
- /// <value>The items.</value>
- [Description("节点列表"), Category("自定义")]
- public NavigationMenuItemExt[] Items
- {
- get { return items; }
- set
- {
- items = value;
- ReloadMenu();
- if (value != null && value.Length > )
- {
- selectItem = value[];
- ResetChildControl();
- }
- }
- }
- /// <summary>
- /// The tip color
- /// </summary>
- private Color tipColor = Color.FromArgb(, , );
- /// <summary>
- /// Gets or sets the color of the tip.
- /// </summary>
- /// <value>The color of the tip.</value>
- [Description("角标颜色"), Category("自定义")]
- public Color TipColor
- {
- get { return tipColor; }
- set { tipColor = value; }
- }
- /// <summary>
- /// 获取或设置控件的前景色。
- /// </summary>
- /// <value>The color of the fore.</value>
- /// <PermissionSet>
- /// <IPermission class="System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
- /// </PermissionSet>
- public override System.Drawing.Color ForeColor
- {
- get
- {
- return base.ForeColor;
- }
- set
- {
- base.ForeColor = value;
- foreach (Control c in this.Controls)
- {
- c.ForeColor = value;
- }
- }
- }
- /// <summary>
- /// 获取或设置控件显示的文字的字体。
- /// </summary>
- /// <value>The font.</value>
- /// <PermissionSet>
- /// <IPermission class="System.Security.Permissions.EnvironmentPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
- /// <IPermission class="System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
- /// <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="UnmanagedCode, ControlEvidence" />
- /// <IPermission class="System.Diagnostics.PerformanceCounterPermission, System, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
- /// </PermissionSet>
- public override Font Font
- {
- get
- {
- return base.Font;
- }
- set
- {
- base.Font = value;
- foreach (Control c in this.Controls)
- {
- c.Font = value;
- }
- }
- }
- /// <summary>
- /// The m LST anchors
- /// </summary>
- Dictionary<NavigationMenuItemExt, FrmAnchor> m_lstAnchors = new Dictionary<NavigationMenuItemExt, FrmAnchor>();
一些事件及辅助函数,处理大小改变时候和重新加载以及鼠标对应处理
- /// <summary>
- /// Handles the SizeChanged event of the UCNavigationMenuOffice control.
- /// </summary>
- /// <param name="sender">The source of the event.</param>
- /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
- void UCNavigationMenuOffice_SizeChanged(object sender, EventArgs e)
- {
- if (isExpand)
- {
- expandHeight = this.Height;
- }
- }
- /// <summary>
- /// Resets the child control.
- /// </summary>
- public void ResetChildControl()
- {
- if (isExpand)
- {
- if (selectItem != null)
- {
- try
- {
- ControlHelper.FreezeControl(this, true);
- this.panChilds.Controls.Clear();
- if (selectItem.ShowControl != null)
- {
- HZH_Controls.Controls.UCSplitLine_H split = new UCSplitLine_H();
- split.BackColor = Color.FromArgb(, , , );
- split.Dock = DockStyle.Top;
- this.panChilds.Controls.Add(split);
- split.BringToFront();
- this.panChilds.Controls.Add(selectItem.ShowControl);
- selectItem.ShowControl.Dock = DockStyle.Fill;
- }
- }
- finally
- {
- ControlHelper.FreezeControl(this, false);
- }
- }
- }
- }
- /// <summary>
- /// Reloads the menu.
- /// </summary>
- private void ReloadMenu()
- {
- try
- {
- ControlHelper.FreezeControl(this, true);
- this.panMenu.Controls.Clear();
- if (items != null && items.Length > )
- {
- foreach (var item in items)
- {
- var menu = (NavigationMenuItemExt)item;
- Label lbl = new Label();
- lbl.AutoSize = false;
- lbl.TextAlign = ContentAlignment.MiddleCenter;
- lbl.Width = menu.ItemWidth;
- lbl.Text = menu.Text;
- lbl.Font = Font;
- lbl.ForeColor = ForeColor;
- lbl.Paint += lbl_Paint;
- lbl.MouseEnter += lbl_MouseEnter;
- lbl.Tag = menu;
- lbl.Click += lbl_Click;
- lbl.DoubleClick += lbl_DoubleClick;
- if (menu.AnchorRight)
- {
- lbl.Dock = DockStyle.Right;
- }
- else
- {
- lbl.Dock = DockStyle.Left;
- }
- this.panMenu.Controls.Add(lbl);
- lbl.BringToFront();
- }
- }
- }
- finally
- {
- ControlHelper.FreezeControl(this, false);
- }
- }
- /// <summary>
- /// Handles the DoubleClick event of the lbl control.
- /// </summary>
- /// <param name="sender">The source of the event.</param>
- /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
- void lbl_DoubleClick(object sender, EventArgs e)
- {
- IsExpand = !IsExpand;
- }
- /// <summary>
- /// Handles the Click event of the lbl control.
- /// </summary>
- /// <param name="sender">The source of the event.</param>
- /// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
- void lbl_Click(object sender, EventArgs e)
- {
- Label lbl = sender as Label;
- if (lbl.Tag != null)
- {
- var menu = (NavigationMenuItemExt)lbl.Tag;
- if (menu.ShowControl == null)
- {
- selectItem = menu;
- if (ClickItemed != null)
- {
- ClickItemed(this, e);
- }
- }
- else
- {
- if (IsExpand)
- {
- selectItem = menu;
- ResetChildControl();
- }
- }
- }
- }
- /// <summary>
- /// Handles the MouseEnter event of the lbl control.
- /// </summary>
- /// <param name="sender">The source of the event.</param>
- /// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
- void lbl_MouseEnter(object sender, EventArgs e)
- {
- if (!IsExpand)
- {
- Label lbl = sender as Label;
- var menu = lbl.Tag as NavigationMenuItemExt;
- foreach (var item in m_lstAnchors)
- {
- m_lstAnchors[item.Key].Hide();
- }
- if (menu.ShowControl != null)
- {
- if (!m_lstAnchors.ContainsKey(menu))
- {
- m_lstAnchors[menu] = new FrmAnchor(panMenu, menu.ShowControl, isNotFocus: false);
- }
- m_lstAnchors[menu].BackColor = this.BackColor;
- m_lstAnchors[menu].Show(this);
- m_lstAnchors[menu].Size = new Size(this.panChilds.Width, expandHeight - mainMenuHeight);
- }
- }
- }
- /// <summary>
- /// Handles the Paint event of the lbl control.
- /// </summary>
- /// <param name="sender">The source of the event.</param>
- /// <param name="e">The <see cref="PaintEventArgs" /> instance containing the event data.</param>
- void lbl_Paint(object sender, PaintEventArgs e)
- {
- Label lbl = sender as Label;
- if (lbl.Tag != null)
- {
- var menu = (NavigationMenuItemExt)lbl.Tag;
- e.Graphics.SetGDIHigh();
- if (menu.ShowTip)
- {
- if (!string.IsNullOrEmpty(menu.TipText))
- {
- var rect = new Rectangle(lbl.Width - , lbl.Height / - , , );
- var path = rect.CreateRoundedRectanglePath();
- e.Graphics.FillPath(new SolidBrush(tipColor), path);
- e.Graphics.DrawString(menu.TipText, new Font("微软雅黑", 8f), new SolidBrush(Color.White), rect, new StringFormat() { Alignment = StringAlignment.Center, LineAlignment = StringAlignment.Center });
- }
- else
- {
- e.Graphics.FillEllipse(new SolidBrush(tipColor), new Rectangle(lbl.Width - , lbl.Height / - , , ));
- }
- }
- if (menu.Icon != null)
- {
- e.Graphics.DrawImage(menu.Icon, new Rectangle(, (lbl.Height - ) / , , ), , , menu.Icon.Width, menu.Icon.Height, GraphicsUnit.Pixel);
- }
- }
- }
完整代码
- // ***********************************************************************
- // Assembly : HZH_Controls
- // Created : 2019-10-12
- //
- // ***********************************************************************
- // <copyright file="UCNavigationMenuOffice.cs">
- // Copyright by Huang Zhenghui(黄正辉) All, QQ group:568015492 QQ:623128629 Email:623128629@qq.com
- // </copyright>
- //
- // Blog: https://www.cnblogs.com/bfyx
- // GitHub:https://github.com/kwwwvagaa/NetWinformControl
- // gitee:https://gitee.com/kwwwvagaa/net_winform_custom_control.git
- //
- // If you use this code, please keep this note.
- // ***********************************************************************
- 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 HZH_Controls.Forms;
- namespace HZH_Controls.Controls
- {
- /// <summary>
- /// Class UCNavigationMenuOffice.
- /// Implements the <see cref="System.Windows.Forms.UserControl" />
- /// </summary>
- /// <seealso cref="System.Windows.Forms.UserControl" />
- public partial class UCNavigationMenuOffice : UserControl
- {
- /// <summary>
- /// The main menu height
- /// </summary>
- private int mainMenuHeight = ;
- /// <summary>
- /// Gets or sets the height of the main menu.
- /// </summary>
- /// <value>The height of the main menu.</value>
- [Description("主菜单高度,大于20的值"), Category("自定义")]
- public int MainMenuHeight
- {
- get { return mainMenuHeight; }
- set
- {
- if (value < )
- return;
- mainMenuHeight = value;
- this.panMenu.Height = value;
- }
- }
- /// <summary>
- /// The expand height
- /// </summary>
- private int expandHeight = ;
- /// <summary>
- /// Gets or sets the height of the expand.
- /// </summary>
- /// <value>The height of the expand.</value>
- [Description("展开后高度"), Category("自定义")]
- public int ExpandHeight
- {
- get { return expandHeight; }
- set { expandHeight = value; }
- }
- /// <summary>
- /// The is expand
- /// </summary>
- private bool isExpand = true;
- /// <summary>
- /// Gets or sets a value indicating whether this instance is expand.
- /// </summary>
- /// <value><c>true</c> if this instance is expand; otherwise, <c>false</c>.</value>
- [Description("是否展开"), Category("自定义")]
- public bool IsExpand
- {
- get { return isExpand; }
- set
- {
- isExpand = value;
- if (value)
- {
- this.Height = expandHeight;
- ResetChildControl();
- }
- else
- {
- this.Height = this.panMenu.Height;
- this.panChilds.Controls.Clear();
- }
- }
- }
- /// <summary>
- /// Occurs when [click itemed].
- /// </summary>
- [Description("点击节点事件"), Category("自定义")]
- public event EventHandler ClickItemed;
- /// <summary>
- /// The select item
- /// </summary>
- private NavigationMenuItemExt selectItem = null;
- /// <summary>
- /// Gets the select item.
- /// </summary>
- /// <value>The select item.</value>
- [Description("选中的节点"), Category("自定义")]
- public NavigationMenuItemExt SelectItem
- {
- get { return selectItem; }
- private set { selectItem = value; }
- }
- /// <summary>
- /// The items
- /// </summary>
- NavigationMenuItemExt[] items;
- /// <summary>
- /// Gets or sets the items.
- /// </summary>
- /// <value>The items.</value>
- [Description("节点列表"), Category("自定义")]
- public NavigationMenuItemExt[] Items
- {
- get { return items; }
- set
- {
- items = value;
- ReloadMenu();
- if (value != null && value.Length > )
- {
- selectItem = value[];
- ResetChildControl();
- }
- }
- }
- /// <summary>
- /// The tip color
- /// </summary>
- private Color tipColor = Color.FromArgb(, , );
- /// <summary>
- /// Gets or sets the color of the tip.
- /// </summary>
- /// <value>The color of the tip.</value>
- [Description("角标颜色"), Category("自定义")]
- public Color TipColor
- {
- get { return tipColor; }
- set { tipColor = value; }
- }
- /// <summary>
- /// 获取或设置控件的前景色。
- /// </summary>
- /// <value>The color of the fore.</value>
- /// <PermissionSet>
- /// <IPermission class="System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
- /// </PermissionSet>
- public override System.Drawing.Color ForeColor
- {
- get
- {
- return base.ForeColor;
- }
- set
- {
- base.ForeColor = value;
- foreach (Control c in this.Controls)
- {
- c.ForeColor = value;
- }
- }
- }
- /// <summary>
- /// 获取或设置控件显示的文字的字体。
- /// </summary>
- /// <value>The font.</value>
- /// <PermissionSet>
- /// <IPermission class="System.Security.Permissions.EnvironmentPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
- /// <IPermission class="System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
- /// <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="UnmanagedCode, ControlEvidence" />
- /// <IPermission class="System.Diagnostics.PerformanceCounterPermission, System, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
- /// </PermissionSet>
- public override Font Font
- {
- get
- {
- return base.Font;
- }
- set
- {
- base.Font = value;
- foreach (Control c in this.Controls)
- {
- c.Font = value;
- }
- }
- }
- /// <summary>
- /// The m LST anchors
- /// </summary>
- Dictionary<NavigationMenuItemExt, FrmAnchor> m_lstAnchors = new Dictionary<NavigationMenuItemExt, FrmAnchor>();
- /// <summary>
- /// Initializes a new instance of the <see cref="UCNavigationMenuOffice"/> class.
- /// </summary>
- public UCNavigationMenuOffice()
- {
- InitializeComponent();
- this.SizeChanged += UCNavigationMenuOffice_SizeChanged;
- items = new NavigationMenuItemExt[];
- if (ControlHelper.IsDesignMode())
- {
- items = new NavigationMenuItemExt[];
- for (int i = ; i < ; i++)
- {
- items[i] = new NavigationMenuItemExt()
- {
- Text = "菜单" + (i + ),
- AnchorRight = i >=
- };
- }
- }
- }
- /// <summary>
- /// Handles the SizeChanged event of the UCNavigationMenuOffice control.
- /// </summary>
- /// <param name="sender">The source of the event.</param>
- /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
- void UCNavigationMenuOffice_SizeChanged(object sender, EventArgs e)
- {
- if (isExpand)
- {
- expandHeight = this.Height;
- }
- }
- /// <summary>
- /// Resets the child control.
- /// </summary>
- public void ResetChildControl()
- {
- if (isExpand)
- {
- if (selectItem != null)
- {
- try
- {
- ControlHelper.FreezeControl(this, true);
- this.panChilds.Controls.Clear();
- if (selectItem.ShowControl != null)
- {
- HZH_Controls.Controls.UCSplitLine_H split = new UCSplitLine_H();
- split.BackColor = Color.FromArgb(, , , );
- split.Dock = DockStyle.Top;
- this.panChilds.Controls.Add(split);
- split.BringToFront();
- this.panChilds.Controls.Add(selectItem.ShowControl);
- selectItem.ShowControl.Dock = DockStyle.Fill;
- }
- }
- finally
- {
- ControlHelper.FreezeControl(this, false);
- }
- }
- }
- }
- /// <summary>
- /// Reloads the menu.
- /// </summary>
- private void ReloadMenu()
- {
- try
- {
- ControlHelper.FreezeControl(this, true);
- this.panMenu.Controls.Clear();
- if (items != null && items.Length > )
- {
- foreach (var item in items)
- {
- var menu = (NavigationMenuItemExt)item;
- Label lbl = new Label();
- lbl.AutoSize = false;
- lbl.TextAlign = ContentAlignment.MiddleCenter;
- lbl.Width = menu.ItemWidth;
- lbl.Text = menu.Text;
- lbl.Font = Font;
- lbl.ForeColor = ForeColor;
- lbl.Paint += lbl_Paint;
- lbl.MouseEnter += lbl_MouseEnter;
- lbl.Tag = menu;
- lbl.Click += lbl_Click;
- lbl.DoubleClick += lbl_DoubleClick;
- if (menu.AnchorRight)
- {
- lbl.Dock = DockStyle.Right;
- }
- else
- {
- lbl.Dock = DockStyle.Left;
- }
- this.panMenu.Controls.Add(lbl);
- lbl.BringToFront();
- }
- }
- }
- finally
- {
- ControlHelper.FreezeControl(this, false);
- }
- }
- /// <summary>
- /// Handles the DoubleClick event of the lbl control.
- /// </summary>
- /// <param name="sender">The source of the event.</param>
- /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
- void lbl_DoubleClick(object sender, EventArgs e)
- {
- IsExpand = !IsExpand;
- }
- /// <summary>
- /// Handles the Click event of the lbl control.
- /// </summary>
- /// <param name="sender">The source of the event.</param>
- /// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
- void lbl_Click(object sender, EventArgs e)
- {
- Label lbl = sender as Label;
- if (lbl.Tag != null)
- {
- var menu = (NavigationMenuItemExt)lbl.Tag;
- if (menu.ShowControl == null)
- {
- selectItem = menu;
- if (ClickItemed != null)
- {
- ClickItemed(this, e);
- }
- }
- else
- {
- if (IsExpand)
- {
- selectItem = menu;
- ResetChildControl();
- }
- }
- }
- }
- /// <summary>
- /// Handles the MouseEnter event of the lbl control.
- /// </summary>
- /// <param name="sender">The source of the event.</param>
- /// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
- void lbl_MouseEnter(object sender, EventArgs e)
- {
- if (!IsExpand)
- {
- Label lbl = sender as Label;
- var menu = lbl.Tag as NavigationMenuItemExt;
- foreach (var item in m_lstAnchors)
- {
- m_lstAnchors[item.Key].Hide();
- }
- if (menu.ShowControl != null)
- {
- if (!m_lstAnchors.ContainsKey(menu))
- {
- m_lstAnchors[menu] = new FrmAnchor(panMenu, menu.ShowControl, isNotFocus: false);
- }
- m_lstAnchors[menu].BackColor = this.BackColor;
- m_lstAnchors[menu].Show(this);
- m_lstAnchors[menu].Size = new Size(this.panChilds.Width, expandHeight - mainMenuHeight);
- }
- }
- }
- /// <summary>
- /// Handles the Paint event of the lbl control.
- /// </summary>
- /// <param name="sender">The source of the event.</param>
- /// <param name="e">The <see cref="PaintEventArgs" /> instance containing the event data.</param>
- void lbl_Paint(object sender, PaintEventArgs e)
- {
- Label lbl = sender as Label;
- if (lbl.Tag != null)
- {
- var menu = (NavigationMenuItemExt)lbl.Tag;
- e.Graphics.SetGDIHigh();
- if (menu.ShowTip)
- {
- if (!string.IsNullOrEmpty(menu.TipText))
- {
- var rect = new Rectangle(lbl.Width - , lbl.Height / - , , );
- var path = rect.CreateRoundedRectanglePath();
- e.Graphics.FillPath(new SolidBrush(tipColor), path);
- e.Graphics.DrawString(menu.TipText, new Font("微软雅黑", 8f), new SolidBrush(Color.White), rect, new StringFormat() { Alignment = StringAlignment.Center, LineAlignment = StringAlignment.Center });
- }
- else
- {
- e.Graphics.FillEllipse(new SolidBrush(tipColor), new Rectangle(lbl.Width - , lbl.Height / - , , ));
- }
- }
- if (menu.Icon != null)
- {
- e.Graphics.DrawImage(menu.Icon, new Rectangle(, (lbl.Height - ) / , , ), , , menu.Icon.Width, menu.Icon.Height, GraphicsUnit.Pixel);
- }
- }
- }
- }
- }
最后的话
如果你喜欢的话,请到 https://gitee.com/kwwwvagaa/net_winform_custom_control 点个星星吧
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