（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
（八十四）c#Winform自定义控件-导航菜单（类Office菜单）的更多相关文章
- （八十三）c#Winform自定义控件-导航菜单（扩展）
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:ht ...
- （八十）c#Winform自定义控件-分割线标签-HZHControls
官网 http://www.hzhcontrols.com 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/kww ...
- 第三百八十四节，Django+Xadmin打造上线标准的在线教育平台—路由映射与静态文件配置以及会员注册
第三百八十四节,Django+Xadmin打造上线标准的在线教育平台—路由映射与静态文件配置以及会员注册 基于类的路由映射 from django.conf.urls import url, incl ...
- “全栈2019”Java第八十四章：接口中嵌套接口详解
难度 初级 学习时间 10分钟 适合人群 零基础 开发语言 Java 开发环境 JDK v11 IntelliJ IDEA v2018.3 文章原文链接 "全栈2019"Java第 ...
- 孤荷凌寒自学python第八十四天搭建jTessBoxEditor来训练tesseract模块
孤荷凌寒自学python第八十四天搭建jTessBoxEditor来训练tesseract模块 (完整学习过程屏幕记录视频地址在文末) 由于本身tesseract模块针对普通的验证码图片的识别率并不高 ...
- 《手把手教你》系列基础篇（八十四）-java+ selenium自动化测试-框架设计基础-TestNG日志-上篇（详解教程）
1.简介 TestNG还为我们提供了测试的记录功能-日志.例如,在运行测试用例期间,用户希望在控制台中记录一些信息.信息可以是任何细节取决于目的.牢记我们正在使用Selenium进行测试,我们需要有助 ...
- （七十九）c#Winform自定义控件-导航菜单
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:ht ...
- （三十）c#Winform自定义控件-文本框（三）
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. 开源地址:https://gitee.com/kwwwvagaa/net_winform_custom_control ...
- （二十）c#Winform自定义控件-有后退的窗体
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. 开源地址:https://gitee.com/kwwwvagaa/net_winform_custom_control ...
- （五十）c#Winform自定义控件-滑块
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:ht ...
随机推荐
- javascript删除数组元素的7个方法
在JavaScript中,除了Object之外,Array类型(数组)恐怕就是最常用的类型了.与其他语言的数组相比,JavaScript中的Array非常灵活.这种灵活性有利有弊,好处是其富有创造性, ...
- vim 同时操作多行
使用 vim 的时候,经常会有同时注释或解开注释的情况,逐行编辑很浪费时间,下面的同时操作多行的方式 删除操作 control+v 进入 visual block 模式 选中要删除几行文字 d删除 插 ...
- 文档打印 js print调用打印dom内容
1.首先按目前研究 print可以打印dom 2.被设置overflow:hidden 的模块,打印时会被截掉. 3.被设置成 display:none 的dom 打印不会有样式 边框等. 4.如果需 ...
- 【Offer】[61] 【扑克牌中的顺子】
题目描述 思路分析 测试用例 Java代码 代码链接 题目描述 从扑克牌中随机抽5张牌,判断是不是一个顺子,即这5张牌是不是连续的.2~10 为数字本身,A为1, J为11, Q为12,K为13,而大 ...
- Python函数编程——闭包和装饰器
Python函数编程--闭包和装饰器 一.闭包 关于闭包,即函数定义和函数表达式位于另一个函数的函数体内(嵌套函数).而且,这些内部函数可以访问它们所在的外部函数中声明的所有局部变量.参数.当其中一个 ...
- android中shape 的使用
android 开发中 对于 shape 和 selector的使用,一直都不是很熟练, 记录一下.便于以后参考. 举个项目中例子图 对于上面的2个radiobutton ,背景我们可以让美工做一个. ...
- 作为Java开发人员不会饿死的5个理由
尽管已有20多年的历史,Java仍然是最广泛使用的编程语言之一.只需看看统计数据:根据2018年Stack Overflow开发人员调查,Java是世界上第三大最受欢迎的技术. TIOBE指数,这是一 ...
- 应用上下文webApplicationContext
一.先说ServletContext javaee标准规定了,servlet容器需要在应用项目启动时,给应用项目初始化一个ServletContext作为公共环境容器存放公共信息.ServletCon ...
- mysql8.0版本忘记root密码
1.先关掉系统服务 net stop mysql 2.进入mysql安装目录的bin文件中,以管理员的方式运行cmd,然后输入如下命令,实现无密码登陆 mysqld --console --skip- ...
- [AWS] S3 Bucket
云存储服务 2.1 为网站打开属性 属性和权限设置 设置bucket属性,打开功能:Static website hosting(静态网站托管) 设置bucket权限,Permissions ---- ...