主頁 > .NET開發 > （八十四）c#Winform自定義控制元件-導航選單（Ribbon選單）-HZHControls

（八十四）c#Winform自定義控制元件-導航選單（Ribbon選單）-HZHControls

2020-09-10 21:39:04 .NET開發

官網

http://www.hzhcontrols.com

前提

入行已經7,8年了，一直想做一套漂亮點的自定義控制元件，于是就有了本系列文章，

GitHub：https://github.com/kwwwvagaa/NetWinformControl

碼云：https://gitee.com/kwwwvagaa/net_winform_custom_control.git

如果覺得寫的還行，請點個 star 支持一下吧

歡迎前來交流探討： 企鵝群568015492 企鵝群568015492

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NuGet

Install-Package HZH_Controls

目錄

https://www.cnblogs.com/bfyx/p/11364884.html

用處及效果

準備作業

沒什么準備的，就是組裝控制元件

開始

添加一個用戶控制元件UCNavigationMenuOffice

添加屬性

  1 /// <summary>  2         /// The main menu height  3         /// </summary>  4         private int mainMenuHeight = 25;  5   6         /// <summary>  7         /// Gets or sets the height of the main menu.  8         /// </summary>  9         /// <value>The height of the main menu.</value> 10         [Description("主選單高度，大于20的值"), Category("自定義")] 11         public int MainMenuHeight 12         { 13             get { return mainMenuHeight; } 14             set 15             { 16                 if (value < 20) 17                     return; 18                 mainMenuHeight = value; 19                 this.panMenu.Height = value; 20             } 21         } 22         /// <summary> 23         /// The expand height 24         /// </summary> 25         private int expandHeight = 125; 26         /// <summary> 27         /// Gets or sets the height of the expand. 28         /// </summary> 29         /// <value>The height of the expand.</value> 30         [Description("展開后高度"), Category("自定義")] 31         public int ExpandHeight 32         { 33             get { return expandHeight; } 34             set { expandHeight = value; } 35         } 36         /// <summary> 37         /// The is expand 38         /// </summary> 39         private bool isExpand = true; 40         /// <summary> 41         /// Gets or sets a value indicating whether this instance is expand. 42         /// </summary> 43         /// <value><c>true</c> if this instance is expand; otherwise, <c>false</c>.</value> 44         [Description("是否展開"), Category("自定義")] 45         public bool IsExpand 46         { 47             get { return isExpand; } 48             set 49             { 50                 isExpand = value; 51                 if (value) 52                 { 53                     this.Height = expandHeight; 54                     ResetChildControl(); 55                 } 56                 else 57                 { 58                     this.Height = this.panMenu.Height; 59                     this.panChilds.Controls.Clear(); 60                 } 61             } 62         } 63         /// <summary> 64         /// Occurs when [click itemed]. 65         /// </summary> 66         [Description("點擊節點事件"), Category("自定義")] 67  68         public event EventHandler ClickItemed; 69         /// <summary> 70         /// The select item 71         /// </summary> 72         private NavigationMenuItemExt selectItem = null; 73  74         /// <summary> 75         /// Gets the select item. 76         /// </summary> 77         /// <value>The select item.</value> 78         [Description("選中的節點"), Category("自定義")] 79         public NavigationMenuItemExt SelectItem 80         { 81             get { return selectItem; } 82             private set { selectItem = value; } 83         } 84  85         /// <summary> 86         /// The items 87         /// </summary> 88         NavigationMenuItemExt[] items; 89  90         /// <summary> 91         /// Gets or sets the items. 92         /// </summary> 93         /// <value>The items.</value> 94         [Description("節點串列"), Category("自定義")] 95         public NavigationMenuItemExt[] Items 96         { 97             get { return items; } 98             set 99             {100                 items = value;101                 ReloadMenu();102                 if (value != null && value.Length > 0)103                 {104                     selectItem = value[0];105                     ResetChildControl();106                 }107             }108         }109         /// <summary>110         /// The tip color111         /// </summary>112         private Color tipColor = Color.FromArgb(255, 87, 34);113 114         /// <summary>115         /// Gets or sets the color of the tip.116         /// </summary>117         /// <value>The color of the tip.</value>118         [Description("角標顏色"), Category("自定義")]119         public Color TipColor120         {121             get { return tipColor; }122             set { tipColor = value; }123         }124 125         /// <summary>126         /// 獲取或設定控制元件的前景色，127         /// </summary>128         /// <value>The color of the fore.</value>129         /// <PermissionSet>130         ///   <IPermission  version="1" Unrestricted="true" />131         /// </PermissionSet>132         public override System.Drawing.Color ForeColor133         {134             get135             {136                 return base.ForeColor;137             }138             set139             {140                 base.ForeColor = value;141                 foreach (Control c in this.Controls)142                 {143                     c.ForeColor = value;144                 }145             }146         }147         /// <summary>148         /// 獲取或設定控制元件顯示的文字的字體，149         /// </summary>150         /// <value>The font.</value>151         /// <PermissionSet>152         ///   <IPermission  version="1" Unrestricted="true" />153         ///   <IPermission  version="1" Unrestricted="true" />154         ///   <IPermission  version="1" Flags="UnmanagedCode, ControlEvidence" />155         ///   <IPermission  version="1" Unrestricted="true" />156         /// </PermissionSet>157         public override Font Font158         {159             get160             {161                 return base.Font;162             }163             set164             {165                 base.Font = value;166                 foreach (Control c in this.Controls)167                 {168                     c.Font = value;169                 }170             }171         }172 173         /// <summary>174         /// The m LST anchors175         /// </summary>176         Dictionary<NavigationMenuItemExt, FrmAnchor> m_lstAnchors = new Dictionary<NavigationMenuItemExt, FrmAnchor>();

一些事件及輔助函式，處理大小改變時候和重新加載以及滑鼠對應處理

  1   /// <summary>  2         /// Handles the SizeChanged event of the UCNavigationMenuOffice control.  3         /// </summary>  4         /// <param name="sender">The source of the event.</param>  5         /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>  6         void UCNavigationMenuOffice_SizeChanged(object sender, EventArgs e)  7         {  8             if (isExpand)  9             { 10                 expandHeight = this.Height; 11             } 12         } 13  14         /// <summary> 15         /// Resets the child control. 16         /// </summary> 17         public void ResetChildControl() 18         { 19             if (isExpand) 20             { 21                 if (selectItem != null) 22                 { 23                     try 24                     { 25                         ControlHelper.FreezeControl(this, true); 26                         this.panChilds.Controls.Clear(); 27                         if (selectItem.ShowControl != null) 28                         { 29                             HZH_Controls.Controls.UCSplitLine_H split = new UCSplitLine_H(); 30                             split.BackColor = Color.FromArgb(50, 197, 197, 197); 31                             split.Dock = DockStyle.Top; 32                             this.panChilds.Controls.Add(split); 33                             split.BringToFront(); 34                             this.panChilds.Controls.Add(selectItem.ShowControl); 35                             selectItem.ShowControl.Dock = DockStyle.Fill; 36                         } 37                     } 38                     finally 39                     { 40                         ControlHelper.FreezeControl(this, false); 41                     } 42                 } 43             } 44         } 45  46  47         /// <summary> 48         /// Reloads the menu. 49         /// </summary> 50         private void ReloadMenu() 51         { 52             try 53             { 54                 ControlHelper.FreezeControl(this, true); 55                 this.panMenu.Controls.Clear(); 56                 if (items != null && items.Length > 0) 57                 { 58                     foreach (var item in items) 59                     { 60                         var menu = (NavigationMenuItemExt)item; 61                         Label lbl = new Label(); 62                         lbl.AutoSize = false; 63                         lbl.TextAlign = ContentAlignment.MiddleCenter; 64                         lbl.Width = menu.ItemWidth; 65                         lbl.Text = menu.Text; 66  67                         lbl.Font = Font; 68                         lbl.ForeColor = ForeColor; 69  70                         lbl.Paint += lbl_Paint; 71                         lbl.MouseEnter += lbl_MouseEnter; 72                         lbl.Tag = menu; 73                         lbl.Click += lbl_Click; 74                         lbl.DoubleClick += lbl_DoubleClick; 75                         if (menu.AnchorRight) 76                         { 77                             lbl.Dock = DockStyle.Right; 78                         } 79                         else 80                         { 81                             lbl.Dock = DockStyle.Left; 82                         } 83                         this.panMenu.Controls.Add(lbl); 84  85                         lbl.BringToFront(); 86                     } 87                 } 88             } 89             finally 90             { 91                 ControlHelper.FreezeControl(this, false); 92             } 93         } 94  95         /// <summary> 96         /// Handles the DoubleClick event of the lbl control. 97         /// </summary> 98         /// <param name="sender">The source of the event.</param> 99         /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>100         void lbl_DoubleClick(object sender, EventArgs e)101         {102             IsExpand = !IsExpand;103         }104         /// <summary>105         /// Handles the Click event of the lbl control.106         /// </summary>107         /// <param name="sender">The source of the event.</param>108         /// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>109         void lbl_Click(object sender, EventArgs e)110         {111             Label lbl = sender as Label;112             if (lbl.Tag != null)113             {114                 var menu = (NavigationMenuItemExt)lbl.Tag;115                 if (menu.ShowControl == null)116                 {117                     selectItem = menu;118 119                     if (ClickItemed != null)120                     {121                         ClickItemed(this, e);122                     }123                 }124                 else125                 {126                     if (IsExpand)127                     {128                         selectItem = menu;129                         ResetChildControl();130                     }131                 }132             }133         }134         /// <summary>135         /// Handles the MouseEnter event of the lbl control.136         /// </summary>137         /// <param name="sender">The source of the event.</param>138         /// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>139         void lbl_MouseEnter(object sender, EventArgs e)140         {141             if (!IsExpand)142             {143                 Label lbl = sender as Label;144                 var menu = lbl.Tag as NavigationMenuItemExt;145                 foreach (var item in m_lstAnchors)146                 {147                     m_lstAnchors[item.Key].Hide();148                 }149                 if (menu.ShowControl != null)150                 {151                     if (!m_lstAnchors.ContainsKey(menu))152                     {153                         m_lstAnchors[menu] = new FrmAnchor(panMenu, menu.ShowControl, isNotFocus: false);154 155                     }156                     m_lstAnchors[menu].BackColor = this.BackColor;157                     m_lstAnchors[menu].Show(this);158                     m_lstAnchors[menu].Size = new Size(this.panChilds.Width, expandHeight - mainMenuHeight);159                 }160             }161         }162         /// <summary>163         /// Handles the Paint event of the lbl control.164         /// </summary>165         /// <param name="sender">The source of the event.</param>166         /// <param name="e">The <see cref="PaintEventArgs" /> instance containing the event data.</param>167         void lbl_Paint(object sender, PaintEventArgs e)168         {169             Label lbl = sender as Label;170             if (lbl.Tag != null)171             {172                 var menu = (NavigationMenuItemExt)lbl.Tag;173                 e.Graphics.SetGDIHigh();174 175                 if (menu.ShowTip)176                 {177                     if (!string.IsNullOrEmpty(menu.TipText))178                     {179                         var rect = new Rectangle(lbl.Width - 25, lbl.Height / 2 - 10, 20, 20);180                         var path = rect.CreateRoundedRectanglePath(5);181                         e.Graphics.FillPath(new SolidBrush(tipColor), path);182                         e.Graphics.DrawString(menu.TipText, new Font("微軟雅黑", 8f), new SolidBrush(Color.White), rect, new StringFormat() { Alignment = StringAlignment.Center, LineAlignment = StringAlignment.Center });183                     }184                     else185                     {186                         e.Graphics.FillEllipse(new SolidBrush(tipColor), new Rectangle(lbl.Width - 20, lbl.Height / 2 - 10, 10, 10));187                     }188                 }189                 if (menu.Icon != null)190                 {191                     e.Graphics.DrawImage(menu.Icon, new Rectangle(1, (lbl.Height - 25) / 2, 25, 25), 0, 0, menu.Icon.Width, menu.Icon.Height, GraphicsUnit.Pixel);192                 }193             }194         }

完整代碼

  1 // ***********************************************************************  2 // Assembly         : HZH_Controls  3 // Created          : 2019-10-12  4 //  5 // ***********************************************************************  6 // <copyright file="UCNavigationMenuOffice.cs">  7 //     Copyright by Huang Zhenghui(黃正輝) All, QQ group:568015492 QQ:623128629 Email:[email protected]  8 // </copyright>  9 // 10 // Blog: https://www.cnblogs.com/bfyx 11 // GitHub：https://github.com/kwwwvagaa/NetWinformControl 12 // gitee：https://gitee.com/kwwwvagaa/net_winform_custom_control.git 13 // 14 // If you use this code, please keep this note. 15 // *********************************************************************** 16 using System; 17 using System.Collections.Generic; 18 using System.ComponentModel; 19 using System.Drawing; 20 using System.Data; 21 using System.Linq; 22 using System.Text; 23 using System.Windows.Forms; 24 using HZH_Controls.Forms; 25  26 namespace HZH_Controls.Controls 27 { 28     /// <summary> 29     /// Class UCNavigationMenuOffice. 30     /// Implements the <see cref="System.Windows.Forms.UserControl" /> 31     /// </summary> 32     /// <seealso cref="System.Windows.Forms.UserControl" /> 33     public partial class UCNavigationMenuOffice : UserControl 34     { 35         /// <summary> 36         /// The main menu height 37         /// </summary> 38         private int mainMenuHeight = 25; 39  40         /// <summary> 41         /// Gets or sets the height of the main menu. 42         /// </summary> 43         /// <value>The height of the main menu.</value> 44         [Description("主選單高度，大于20的值"), Category("自定義")] 45         public int MainMenuHeight 46         { 47             get { return mainMenuHeight; } 48             set 49             { 50                 if (value < 20) 51                     return; 52                 mainMenuHeight = value; 53                 this.panMenu.Height = value; 54             } 55         } 56         /// <summary> 57         /// The expand height 58         /// </summary> 59         private int expandHeight = 125; 60         /// <summary> 61         /// Gets or sets the height of the expand. 62         /// </summary> 63         /// <value>The height of the expand.</value> 64         [Description("展開后高度"), Category("自定義")] 65         public int ExpandHeight 66         { 67             get { return expandHeight; } 68             set { expandHeight = value; } 69         } 70         /// <summary> 71         /// The is expand 72         /// </summary> 73         private bool isExpand = true; 74         /// <summary> 75         /// Gets or sets a value indicating whether this instance is expand. 76         /// </summary> 77         /// <value><c>true</c> if this instance is expand; otherwise, <c>false</c>.</value> 78         [Description("是否展開"), Category("自定義")] 79         public bool IsExpand 80         { 81             get { return isExpand; } 82             set 83             { 84                 isExpand = value; 85                 if (value) 86                 { 87                     this.Height = expandHeight; 88                     ResetChildControl(); 89                 } 90                 else 91                 { 92                     this.Height = this.panMenu.Height; 93                     this.panChilds.Controls.Clear(); 94                 } 95             } 96         } 97         /// <summary> 98         /// Occurs when [click itemed]. 99         /// </summary>100         [Description("點擊節點事件"), Category("自定義")]101 102         public event EventHandler ClickItemed;103         /// <summary>104         /// The select item105         /// </summary>106         private NavigationMenuItemExt selectItem = null;107 108         /// <summary>109         /// Gets the select item.110         /// </summary>111         /// <value>The select item.</value>112         [Description("選中的節點"), Category("自定義")]113         public NavigationMenuItemExt SelectItem114         {115             get { return selectItem; }116             private set { selectItem = value; }117         }118 119         /// <summary>120         /// The items121         /// </summary>122         NavigationMenuItemExt[] items;123 124         /// <summary>125         /// Gets or sets the items.126         /// </summary>127         /// <value>The items.</value>128         [Description("節點串列"), Category("自定義")]129         public NavigationMenuItemExt[] Items130         {131             get { return items; }132             set133             {134                 items = value;135                 ReloadMenu();136                 if (value != null && value.Length > 0)137                 {138                     selectItem = value[0];139                     ResetChildControl();140                 }141             }142         }143         /// <summary>144         /// The tip color145         /// </summary>146         private Color tipColor = Color.FromArgb(255, 87, 34);147 148         /// <summary>149         /// Gets or sets the color of the tip.150         /// </summary>151         /// <value>The color of the tip.</value>152         [Description("角標顏色"), Category("自定義")]153         public Color TipColor154         {155             get { return tipColor; }156             set { tipColor = value; }157         }158 159         /// <summary>160         /// 獲取或設定控制元件的前景色，161         /// </summary>162         /// <value>The color of the fore.</value>163         /// <PermissionSet>164         ///   <IPermission  version="1" Unrestricted="true" />165         /// </PermissionSet>166         public override System.Drawing.Color ForeColor167         {168             get169             {170                 return base.ForeColor;171             }172             set173             {174                 base.ForeColor = value;175                 foreach (Control c in this.Controls)176                 {177                     c.ForeColor = value;178                 }179             }180         }181         /// <summary>182         /// 獲取或設定控制元件顯示的文字的字體，183         /// </summary>184         /// <value>The font.</value>185         /// <PermissionSet>186         ///   <IPermission  version="1" Unrestricted="true" />187         ///   <IPermission  version="1" Unrestricted="true" />188         ///   <IPermission  version="1" Flags="UnmanagedCode, ControlEvidence" />189         ///   <IPermission  version="1" Unrestricted="true" />190         /// </PermissionSet>191         public override Font Font192         {193             get194             {195                 return base.Font;196             }197             set198             {199                 base.Font = value;200                 foreach (Control c in this.Controls)201                 {202                     c.Font = value;203                 }204             }205         }206 207         /// <summary>208         /// The m LST anchors209         /// </summary>210         Dictionary<NavigationMenuItemExt, FrmAnchor> m_lstAnchors = new Dictionary<NavigationMenuItemExt, FrmAnchor>();211         /// <summary>212         /// Initializes a new instance of the <see cref="UCNavigationMenuOffice"/> class.213         /// </summary>214         public UCNavigationMenuOffice()215         {216             InitializeComponent();217             this.SizeChanged += UCNavigationMenuOffice_SizeChanged;218             items = new NavigationMenuItemExt[0];219             if (ControlHelper.IsDesignMode())220             {221                 items = new NavigationMenuItemExt[4];222                 for (int i = 0; i < 4; i++)223                 {224                     items[i] = new NavigationMenuItemExt()225                     {226                         Text = "選單" + (i + 1),227                         AnchorRight = i >= 2228                     };229                 }230             }231         }232 233         /// <summary>234         /// Handles the SizeChanged event of the UCNavigationMenuOffice control.235         /// </summary>236         /// <param name="sender">The source of the event.</param>237         /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>238         void UCNavigationMenuOffice_SizeChanged(object sender, EventArgs e)239         {240             if (isExpand)241             {242                 expandHeight = this.Height;243             }244         }245 246         /// <summary>247         /// Resets the child control.248         /// </summary>249         public void ResetChildControl()250         {251             if (isExpand)252             {253                 if (selectItem != null)254                 {255                     try256                     {257                         ControlHelper.FreezeControl(this, true);258                         this.panChilds.Controls.Clear();259                         if (selectItem.ShowControl != null)260                         {261                             HZH_Controls.Controls.UCSplitLine_H split = new UCSplitLine_H();262                             split.BackColor = Color.FromArgb(50, 197, 197, 197);263                             split.Dock = DockStyle.Top;264                             this.panChilds.Controls.Add(split);265                             split.BringToFront();266                             this.panChilds.Controls.Add(selectItem.ShowControl);267                             selectItem.ShowControl.Dock = DockStyle.Fill;268                         }269                     }270                     finally271                     {272                         ControlHelper.FreezeControl(this, false);273                     }274                 }275             }276         }277 278 279         /// <summary>280         /// Reloads the menu.281         /// </summary>282         private void ReloadMenu()283         {284             try285             {286                 ControlHelper.FreezeControl(this, true);287                 this.panMenu.Controls.Clear();288                 if (items != null && items.Length > 0)289                 {290                     foreach (var item in items)291                     {292                         var menu = (NavigationMenuItemExt)item;293                         Label lbl = new Label();294                         lbl.AutoSize = false;295                         lbl.TextAlign = ContentAlignment.MiddleCenter;296                         lbl.Width = menu.ItemWidth;297                         lbl.Text = menu.Text;298 299                         lbl.Font = Font;300                         lbl.ForeColor = ForeColor;301 302                         lbl.Paint += lbl_Paint;303                         lbl.MouseEnter += lbl_MouseEnter;304                         lbl.Tag = menu;305                         lbl.Click += lbl_Click;306                         lbl.DoubleClick += lbl_DoubleClick;307                         if (menu.AnchorRight)308                         {309                             lbl.Dock = DockStyle.Right;310                         }311                         else312                         {313                             lbl.Dock = DockStyle.Left;314                         }315                         this.panMenu.Controls.Add(lbl);316 317                         lbl.BringToFront();318                     }319                 }320             }321             finally322             {323                 ControlHelper.FreezeControl(this, false);324             }325         }326 327         /// <summary>328         /// Handles the DoubleClick event of the lbl control.329         /// </summary>330         /// <param name="sender">The source of the event.</param>331         /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>332         void lbl_DoubleClick(object sender, EventArgs e)333         {334             IsExpand = !IsExpand;335         }336         /// <summary>337         /// Handles the Click event of the lbl control.338         /// </summary>339         /// <param name="sender">The source of the event.</param>340         /// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>341         void lbl_Click(object sender, EventArgs e)342         {343             Label lbl = sender as Label;344             if (lbl.Tag != null)345             {346                 var menu = (NavigationMenuItemExt)lbl.Tag;347                 if (menu.ShowControl == null)348                 {349                     selectItem = menu;350 351                     if (ClickItemed != null)352                     {353                         ClickItemed(this, e);354                     }355                 }356                 else357                 {358                     if (IsExpand)359                     {360                         selectItem = menu;361                         ResetChildControl();362                     }363                 }364             }365         }366         /// <summary>367         /// Handles the MouseEnter event of the lbl control.368         /// </summary>369         /// <param name="sender">The source of the event.</param>370         /// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>371         void lbl_MouseEnter(object sender, EventArgs e)372         {373             if (!IsExpand)374             {375                 Label lbl = sender as Label;376                 var menu = lbl.Tag as NavigationMenuItemExt;377                 foreach (var item in m_lstAnchors)378                 {379                     m_lstAnchors[item.Key].Hide();380                 }381                 if (menu.ShowControl != null)382                 {383                     if (!m_lstAnchors.ContainsKey(menu))384                     {385                         m_lstAnchors[menu] = new FrmAnchor(panMenu, menu.ShowControl, isNotFocus: false);386 387                     }388                     m_lstAnchors[menu].BackColor = this.BackColor;389                     m_lstAnchors[menu].Show(this);390                     m_lstAnchors[menu].Size = new Size(this.panChilds.Width, expandHeight - mainMenuHeight);391                 }392             }393         }394         /// <summary>395         /// Handles the Paint event of the lbl control.396         /// </summary>397         /// <param name="sender">The source of the event.</param>398         /// <param name="e">The <see cref="PaintEventArgs" /> instance containing the event data.</param>399         void lbl_Paint(object sender, PaintEventArgs e)400         {401             Label lbl = sender as Label;402             if (lbl.Tag != null)403             {404                 var menu = (NavigationMenuItemExt)lbl.Tag;405                 e.Graphics.SetGDIHigh();406 407                 if (menu.ShowTip)408                 {409                     if (!string.IsNullOrEmpty(menu.TipText))410                     {411                         var rect = new Rectangle(lbl.Width - 25, lbl.Height / 2 - 10, 20, 20);412                         var path = rect.CreateRoundedRectanglePath(5);413                         e.Graphics.FillPath(new SolidBrush(tipColor), path);414                         e.Graphics.DrawString(menu.TipText, new Font("微軟雅黑", 8f), new SolidBrush(Color.White), rect, new StringFormat() { Alignment = StringAlignment.Center, LineAlignment = StringAlignment.Center });415                     }416                     else417                     {418                         e.Graphics.FillEllipse(new SolidBrush(tipColor), new Rectangle(lbl.Width - 20, lbl.Height / 2 - 10, 10, 10));419                     }420                 }421                 if (menu.Icon != null)422                 {423                     e.Graphics.DrawImage(menu.Icon, new Rectangle(1, (lbl.Height - 25) / 2, 25, 25), 0, 0, menu.Icon.Width, menu.Icon.Height, GraphicsUnit.Pixel);424                 }425             }426         }427     }428 }
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  • WebAPI簡介

    Web體系結構： 有三個核心：資源(resource)，URL(統一資源識別符號)和表示 他們的關系是這樣的：一個資源由一個URL進行標識，HTTP客戶端使用URL定位資源，表示是從資源回傳資料，媒體型別是資源回傳的資料格式。 接下來我們說下HTTP. HTTP協議的系統是一種無狀態的方式，使用請求/ ......

    uj5u.com 2020-09-09 22:07:47 more
  • asp.net core 3.1 入口：Program.cs中的Main函式

    本文分析Program.cs 中Main()函式中代碼的運行順序分析asp.net core程式的啟動，重點不是剖析原始碼，而是理清程式開始時執行的順序。到呼叫了哪些實體，哪些法方。asp.net core 3.1 的程式入口在專案Program.cs檔案里，如下。ususing System; us ......

    uj5u.com 2020-09-09 22:07:49 more
  • asp.net網站作為websocket服務端的應用該如何寫

    最近被websocket的一個問題困擾了很久，有一個需求是在web網站中搭建websocket服務。客戶端通過網頁與服務器建立連接，然后服務器根據ip給客戶端網頁發送資訊。 其實，這個需求并不難，只是剛開始對websocket的內容不太了解。上網搜索了一下，有通過asp.net core 實作的、有 ......

    uj5u.com 2020-09-09 22:08:02 more
  • ASP.NET 開源匯入匯出庫Magicodes.IE Docker中使用

    Magicodes.IE在Docker中使用 更新歷史 2019.02.13 【Nuget】版本更新到2.0.2 【匯入】修復單列匯入的Bug，單元測驗“OneColumnImporter_Test”。問題見（https://github.com/dotnetcore/Magicodes.IE/is ......

    uj5u.com 2020-09-09 22:08:05 more
  • 在webform中使用ajax

    如果你用過Asp.net webform， 說明你也算是.NET 開發的老兵了。WEBform應該是2011 2013左右，當時還用visual studio 2005、 visual studio 2008。后來基本都用的是MVC。 如果是新開發的專案，估計沒人會用webform技術。但是有些舊版 ......

    uj5u.com 2020-09-09 22:08:50 more
  • iis添加asp.net網站，訪問提示：由于擴展配置問題而無法提供您請求的

    今天在iis服務器配置asp.net網站，遇到一個問題，記錄一下： 問題：由于擴展配置問題而無法提供您請求的頁面。如果該頁面是腳本，請添加處理程式。如果應下載檔案，請添加 MIME 映射。 WindowServer2012服務器，添加角色安裝完.netframework和iis之后，運行aspx頁面 ......

    uj5u.com 2020-09-09 22:10:00 more
  • WebAPI-處理架構

    帶著問題去思考，大家好！ 問題1：HTTP請求和回傳相應的HTTP回應資訊之間發生了什么？ 1：首先是最底層，托管層，位于WebAPI和底層HTTP堆疊之間 2：其次是 訊息處理程式管道層，這里比如日志和快取。OWIN的參考是將訊息處理程式管道的一些功能下移到堆疊下端的OWIN中間件了。 3：控制器處理 ......

    uj5u.com 2020-09-09 22:11:13 more
  • 微信門戶開發框架-使用指導說明書

    微信門戶應用管理系統，采用基于 MVC + Bootstrap + Ajax + Enterprise Library的技術路線，界面層采用Boostrap + Metronic組合的前端框架，資料訪問層支持Oracle、SQLServer、MySQL、PostgreSQL等資料庫。框架以MVC5，... ......

    uj5u.com 2020-09-09 22:15:18 more
  • WebAPI-HTTP編程模型

    帶著問題去思考，大家好！它是什么？它包含什么？它能干什么？ 訊息 HTTP編程模型的核心就是訊息抽象，表示為：HttPRequestMessage,HttpResponseMessage.用于客戶端和服務端之間交換請求和回應訊息。 HttpMethod類包含了一組靜態屬性： private stat ......

    uj5u.com 2020-09-09 22:15:23 more
  • 部署WebApi隨筆

    一、跨域 NuGet參考Microsoft.AspNet.WebApi.Cors WebApiConfig.cs中配置： // Web API 配置和服務 config.EnableCors(new EnableCorsAttribute("*", "*", "*")); 二、清除默認回傳XML格式 ......

    uj5u.com 2020-09-09 22:15:48 more
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    uj5u.com 2023-04-19 09:17:20 more
  • C#多執行緒學習(二) 如何操縱一個執行緒

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    uj5u.com 2023-04-19 09:16:49 more
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    uj5u.com 2023-04-18 08:39:04 more
  • 記一次 .NET某醫療器械清洗系統 卡死分析

    一：背景 1. 講故事 前段時間協助訓練營里的一位朋友分析了一個程式卡死的問題，回過頭來看這個案例比較經典，這篇稍微整理一下供后來者少踩坑吧。 二：WinDbg 分析 1. 為什么會卡死 因為是表單程式，理所當然就是看主執行緒此時正在做什么? 可以用 ~0s ; k 看一下便知。 0:000> k # ......

    uj5u.com 2023-04-18 08:33:10 more
  • SignalR, No Connection with that ID，IIS

    <a href="https://www.cnblogs.com/smartstar/" target="_blank"><img width="48" height="48" class="pfs" src="https://pic.cnblogs.com/face/u36196.jpg" alt="" /></a>...

    uj5u.com 2023-03-30 17:21:52 more
  • 一次對pool的誤用導致的.net頻繁gc的診斷分析

    <a href="https://www.cnblogs.com/dotnet-diagnostic/" target="_blank"><img width="48" height="48" class="pfs" src="https://pic.cnblogs.com/face/3115652/20230225090434.png" alt=""...

    uj5u.com 2023-03-28 10:15:33 more
  • 一次對pool的誤用導致的.net頻繁gc的診斷分析

    <a href="https://www.cnblogs.com/dotnet-diagnostic/" target="_blank"><img width="48" height="48" class="pfs" src="https://pic.cnblogs.com/face/3115652/20230225090434.png" alt=""...

    uj5u.com 2023-03-28 10:13:31 more
  • C#遍歷指定檔案夾中所有檔案的3種方法

    <a href="https://www.cnblogs.com/xbhp/" target="_blank"><img width="48" height="48" class="pfs" src="https://pic.cnblogs.com/face/957602/20230310105611.png" alt="" /></a&...

    uj5u.com 2023-03-27 14:46:55 more
  • C#/VB.NET：如何將PDF轉為PDF/A

    <a href="https://www.cnblogs.com/Carina-baby/" target="_blank"><img width="48" height="48" class="pfs" src="https://pic.cnblogs.com/face/2859233/20220427162558.png" alt="" />...

    uj5u.com 2023-03-27 14:46:35 more
  • 武裝你的WEBAPI-OData聚合查詢

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    uj5u.com 2023-03-27 14:46:16 more

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