*UIForm：恢复了WindowState，增加了窗体可拉拽调整大小ShowDragStretch

SunnyUI.Demo/FMain.Designer.cs

@@ -37,7 +37,6 @@
             this.uiLogo1 = new Sunny.UI.UILogo();
             this.uiAvatar = new Sunny.UI.UIAvatar();
             this.StyleManager = new Sunny.UI.UIStyleManager(this.components);
-            this.imageList1 = new System.Windows.Forms.ImageList(this.components);
             this.Header.SuspendLayout();
             this.SuspendLayout();
             // 
@@ -46,17 +45,18 @@
             this.Aside.ForeColor = System.Drawing.Color.FromArgb(((int)(((byte)(240)))), ((int)(((byte)(240)))), ((int)(((byte)(240)))));
             this.Aside.ItemHeight = 36;
             this.Aside.LineColor = System.Drawing.Color.Black;
+            this.Aside.Location = new System.Drawing.Point(2, 145);
             this.Aside.MenuStyle = Sunny.UI.UIMenuStyle.Black;
             this.Aside.ShowOneNode = true;
             this.Aside.ShowTips = true;
-            this.Aside.Size = new System.Drawing.Size(250, 575);
+            this.Aside.Size = new System.Drawing.Size(250, 573);
             this.Aside.Style = Sunny.UI.UIStyle.Custom;
             // 
             // Header
             // 
             this.Header.Controls.Add(this.uiAvatar);
             this.Header.Controls.Add(this.uiLogo1);
-            this.Header.ImageList = this.imageList1;
+            this.Header.Location = new System.Drawing.Point(2, 35);
             treeNode1.ImageIndex = 1;
             treeNode1.Name = "节点0";
             treeNode1.Text = "控件";
@@ -72,7 +72,7 @@
             treeNode3,
             treeNode4});
             this.Header.SelectedIndex = 0;
-            this.Header.Size = new System.Drawing.Size(1024, 110);
+            this.Header.Size = new System.Drawing.Size(1020, 110);
             this.Header.Style = Sunny.UI.UIStyle.Custom;
             this.Header.MenuItemClick += new Sunny.UI.UINavBar.OnMenuItemClick(this.Header_MenuItemClick);
             // 
@@ -92,19 +92,12 @@
             // 
             this.uiAvatar.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
             this.uiAvatar.Font = new System.Drawing.Font("微软雅黑", 12F);
-            this.uiAvatar.Location = new System.Drawing.Point(943, 25);
+            this.uiAvatar.Location = new System.Drawing.Point(939, 25);
             this.uiAvatar.Name = "uiAvatar";
             this.uiAvatar.Size = new System.Drawing.Size(66, 70);
             this.uiAvatar.TabIndex = 4;
             this.uiAvatar.Text = "uiAvatar1";
             // 
-            // imageList1
-            // 
-            this.imageList1.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imageList1.ImageStream")));
-            this.imageList1.TransparentColor = System.Drawing.Color.Transparent;
-            this.imageList1.Images.SetKeyName(0, "002.png");
-            this.imageList1.Images.SetKeyName(1, "025.png");
-            // 
             // FMain
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(10F, 21F);
@@ -112,8 +105,10 @@
             this.ClientSize = new System.Drawing.Size(1024, 720);
             this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
             this.Name = "FMain";
+            this.Padding = new System.Windows.Forms.Padding(2, 35, 2, 2);
+            this.ShowDragStretch = true;
+            this.ShowRadius = false;
             this.Text = "SunnyUI.Net";
-            this.WindowStateChange += new Sunny.UI.UIForm.OnWindowStateChange(this.FMain_WindowStateChange);
             this.Header.ResumeLayout(false);
             this.ResumeLayout(false);
 
@@ -124,6 +119,5 @@
         private UILogo uiLogo1;
         private UIAvatar uiAvatar;
         private UIStyleManager StyleManager;
-        private System.Windows.Forms.ImageList imageList1;
     }
 }

SunnyUI.Demo/FMain.resx

@@ -117,56 +117,6 @@
   <resheader name="writer">
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
-  <metadata name="imageList1.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
-    <value>150, 17</value>
-  </metadata>
-  <data name="imageList1.ImageStream" mimetype="application/x-microsoft.net.object.binary.base64">
-    <value>
-        AAEAAAD/////AQAAAAAAAAAMAgAAAFdTeXN0ZW0uV2luZG93cy5Gb3JtcywgVmVyc2lvbj00LjAuMC4w
-        LCBDdWx0dXJlPW5ldXRyYWwsIFB1YmxpY0tleVRva2VuPWI3N2E1YzU2MTkzNGUwODkFAQAAACZTeXN0
-        ZW0uV2luZG93cy5Gb3Jtcy5JbWFnZUxpc3RTdHJlYW1lcgEAAAAERGF0YQcCAgAAAAkDAAAADwMAAABS
-        CQAAAk1TRnQBSQFMAgEBAgEAARABAAEQAQABEAEAARABAAT/AQkBAAj/AUIBTQE2AQQGAAE2AQQCAAEo
-        AwABQAMAARADAAEBAQABCAYAAQQYAAGAAgABgAMAAoABAAGAAwABgAEAAYABAAKAAgADwAEAAcAB3AHA
-        AQAB8AHKAaYBAAEzBQABMwEAATMBAAEzAQACMwIAAxYBAAMcAQADIgEAAykBAANVAQADTQEAA0IBAAM5
-        AQABgAF8Af8BAAJQAf8BAAGTAQAB1gEAAf8B7AHMAQABxgHWAe8BAAHWAucBAAGQAakBrQIAAf8BMwMA
-        AWYDAAGZAwABzAIAATMDAAIzAgABMwFmAgABMwGZAgABMwHMAgABMwH/AgABZgMAAWYBMwIAAmYCAAFm
-        AZkCAAFmAcwCAAFmAf8CAAGZAwABmQEzAgABmQFmAgACmQIAAZkBzAIAAZkB/wIAAcwDAAHMATMCAAHM
-        AWYCAAHMAZkCAALMAgABzAH/AgAB/wFmAgAB/wGZAgAB/wHMAQABMwH/AgAB/wEAATMBAAEzAQABZgEA
-        ATMBAAGZAQABMwEAAcwBAAEzAQAB/wEAAf8BMwIAAzMBAAIzAWYBAAIzAZkBAAIzAcwBAAIzAf8BAAEz
-        AWYCAAEzAWYBMwEAATMCZgEAATMBZgGZAQABMwFmAcwBAAEzAWYB/wEAATMBmQIAATMBmQEzAQABMwGZ
-        AWYBAAEzApkBAAEzAZkBzAEAATMBmQH/AQABMwHMAgABMwHMATMBAAEzAcwBZgEAATMBzAGZAQABMwLM
-        AQABMwHMAf8BAAEzAf8BMwEAATMB/wFmAQABMwH/AZkBAAEzAf8BzAEAATMC/wEAAWYDAAFmAQABMwEA
-        AWYBAAFmAQABZgEAAZkBAAFmAQABzAEAAWYBAAH/AQABZgEzAgABZgIzAQABZgEzAWYBAAFmATMBmQEA
-        AWYBMwHMAQABZgEzAf8BAAJmAgACZgEzAQADZgEAAmYBmQEAAmYBzAEAAWYBmQIAAWYBmQEzAQABZgGZ
-        AWYBAAFmApkBAAFmAZkBzAEAAWYBmQH/AQABZgHMAgABZgHMATMBAAFmAcwBmQEAAWYCzAEAAWYBzAH/
-        AQABZgH/AgABZgH/ATMBAAFmAf8BmQEAAWYB/wHMAQABzAEAAf8BAAH/AQABzAEAApkCAAGZATMBmQEA
-        AZkBAAGZAQABmQEAAcwBAAGZAwABmQIzAQABmQEAAWYBAAGZATMBzAEAAZkBAAH/AQABmQFmAgABmQFm
-        ATMBAAGZATMBZgEAAZkBZgGZAQABmQFmAcwBAAGZATMB/wEAApkBMwEAApkBZgEAA5kBAAKZAcwBAAKZ
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-        AcwBAAH/AZkB/wEAAf8BzAIAAf8BzAEzAQAB/wHMAWYBAAH/AcwBmQEAAf8CzAEAAf8BzAH/AQAC/wEz
-        AQABzAH/AWYBAAL/AZkBAAL/AcwBAAJmAf8BAAFmAf8BZgEAAWYC/wEAAf8CZgEAAf8BZgH/AQAC/wFm
-        AQABIQEAAaUBAANfAQADdwEAA4YBAAOWAQADywEAA7IBAAPXAQAD3QEAA+MBAAPqAQAD8QEAA/gBAAHw
-        AfsB/wEAAaQCoAEAA4ADAAH/AgAB/wMAAv8BAAH/AwAB/wEAAf8BAAL/AgAD/xIAAW8BJQFGAUwCbwKT
-        Am8BTAFGASUBbzIAAbQMGQG0IQABCQK0AQkBAAEJBLQBCQEAAQkCtAEJAQABtAH0CgcB9AG0IQABtAIZ
-        AbUBiwG1BBkBtQGLAbUCGQG0AQABtAH0AQcC/wEHAv8BBwL/AQcB9AG0IQABtA4ZAbQBAAG0AfQKBwH0
-        AbQhAAG0AfQGCQH0AfEB8AG8AgcB9AG0AQABuwH0AQcC/wEHAv8BBwL/AQcB9AG7IQABtAH0ARkBCQK0
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-        AbQBdQL2AXUBtAH/AfEB8AG8AgcB/wHcAQAB3Az/AdwhAAHcAf8B1QIiAZoBIgHVB/8B3AEADiUhAAHc
-        Af8B1QQVAdUB/wLcAbsCtAH/AdwBAAElAUcB3AH/AbQIRwElIQAB3A7/AdwBAAFGAeMBbwHrAW8E4wFv
-        AesBbwHjAUYhAAEZAtwCCQYZAgkC3AEZAQABFgFHAewBvAHsBE0B7AG8AewBRwEWNAABkgHzAZIEAAGS
-        AfMBkjYAAfEB7wHxBAAB8QHvAfEjAAFCAU0BPgcAAT4DAAEoAwABQAMAARADAAEBAQABAQUAAYAXAAP/
-        AQAC/wGAAQEEAAL/AYABAQQAAQgBEAGAAQEGAAGAAQEGAAGAAQEGAAGAAQEGAAGAAQEGAAGAAQEGAAGA
-        AQEGAAGAAQEGAAGAAQEGAAGAAQEGAAGAAQEGAAGAAQEEAAL/AeMBxwQAAv8B4wHHBAAL
-</value>
-  </data>
   <metadata name="StyleManager.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
     <value>17, 17</value>
   </metadata>

SunnyUI/Controls/UINavMenu.cs

@@ -40,7 +40,12 @@ namespace Sunny.UI
 
         public UINavMenu()
         {
-            SetStyle(ControlStyles.AllPaintingInWmPaint | ControlStyles.SupportsTransparentBackColor | ControlStyles.ResizeRedraw | ControlStyles.OptimizedDoubleBuffer, true);
+            SetStyle(ControlStyles.DoubleBuffer |
+                     ControlStyles.AllPaintingInWmPaint |
+                     ControlStyles.OptimizedDoubleBuffer, true);
+
+            base.UpdateStyles();
+
             BorderStyle = BorderStyle.None;
             //HideSelection = false;
             DrawMode = TreeViewDrawMode.OwnerDrawAll;

SunnyUI/Forms/UIForm.cs

@@ -19,7 +19,8 @@
  * 2020-01-01: V2.2.0 增加文件说明
  * 2020-05-30: V2.2.5 更新标题移动、双击最大化/正常、到顶最大化、最大化后拖拽正常
  * 2020-07-01: V2.2.6 仿照QQ，重绘标题栏按钮
- * 2020-07-05: V2.2.6 UIForm：更新窗体控制按钮圆角和跟随窗体圆角变化。
+ * 2020-07-05: V2.2.6 更新窗体控制按钮圆角和跟随窗体圆角变化。
+ * 2020-09-17: V2.2.7 重写WindowState相关代码
 ******************************************************************************/
 
 using System;
@@ -39,10 +40,6 @@ namespace Sunny.UI
 
         private UIStatusForm statusForm;
 
-        public delegate void OnWindowStateChange(object sender, FormWindowState state);
-
-        public event OnWindowStateChange WindowStateChange;
-
         public UIForm()
         {
             InitializeComponent();
@@ -52,11 +49,32 @@ namespace Sunny.UI
                 SetStyle(UIStyles.Style);
             }
 
-            SetStyle(ControlStyles.UserPaint, true);
+            base.SetStyle(
-            SetStyle(ControlStyles.AllPaintingInWmPaint, true);
+                ControlStyles.UserPaint |
-            SetStyle(ControlStyles.DoubleBuffer, true);
+                ControlStyles.DoubleBuffer |
+                ControlStyles.OptimizedDoubleBuffer |
+                ControlStyles.AllPaintingInWmPaint |
+                ControlStyles.ResizeRedraw |
+                ControlStyles.SupportsTransparentBackColor, true);
             UpdateStyles();
+
             Version = UIGlobal.Version;
+            FormBorderStyle = FormBorderStyle.None;
+            base.MaximumSize = ShowFullScreen ? Screen.PrimaryScreen.Bounds.Size : Screen.PrimaryScreen.WorkingArea.Size;
+        }
+
+        //不显示FormBorderStyle属性
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+        public new FormBorderStyle FormBorderStyle
+        {
+            get { return base.FormBorderStyle; }
+            set
+            {
+                base.FormBorderStyle = FormBorderStyle.None;
+                Console.WriteLine(value);
+            }
         }
 
         public void Render()
@@ -357,8 +375,7 @@ namespace Sunny.UI
 
                 if (MinimizeBox)
                 {
-                    MinimizeBoxRect = new Rectangle(MaximizeBox ? MaximizeBoxRect.Left - 28 - 2 : ControlBoxRect.Left - 28 - 2,
+                    MinimizeBoxRect = new Rectangle(MaximizeBox ? MaximizeBoxRect.Left - 28 - 2 : ControlBoxRect.Left - 28 - 2, ControlBoxRect.Top, 28, 28);
-                            ControlBoxRect.Top, 28, 28);
                     ControlBoxLeft = MinimizeBoxRect.Left - 2;
                 }
                 else
@@ -458,21 +475,20 @@ namespace Sunny.UI
             {
                 if (InControlBox)
                 {
-                    Close();
                     InControlBox = false;
+                    Close();
                 }
 
                 if (InMinBox)
                 {
-                    base.WindowState = FormWindowState.Minimized;
-                    WindowStateChange?.Invoke(this, FormWindowState.Minimized);
                     InMinBox = false;
+                    WindowState = FormWindowState.Minimized;
                 }
 
                 if (InMaxBox)
                 {
-                    ShowMaximize();
                     InMaxBox = false;
+                    ShowMaximize();
                 }
             }
         }
@@ -490,7 +506,8 @@ namespace Sunny.UI
         private void ShowMaximize(bool IsOnMoving = false)
         {
             Screen screen = Screen.FromPoint(MousePosition);
-            if (windowState == FormWindowState.Normal)
+            base.MaximumSize = ShowFullScreen ? Screen.PrimaryScreen.Bounds.Size : Screen.PrimaryScreen.WorkingArea.Size;
+            if (WindowState == FormWindowState.Normal)
             {
                 size = Size;
                 // 若窗体从正常模式->最大化模式，该操作是由移动窗体至顶部触发的，记录的是移动前的窗体位置
@@ -500,11 +517,9 @@ namespace Sunny.UI
                 Left = screen.Bounds.Left;
                 Top = screen.Bounds.Top;
                 SetFormRoundRectRegion(this, 0);
-                if (ShowFullScreen) base.WindowState = FormWindowState.Maximized;
+                WindowState = FormWindowState.Maximized;
-                windowState = FormWindowState.Maximized;
-                WindowStateChange?.Invoke(this, FormWindowState.Maximized);
             }
-            else if (windowState == FormWindowState.Maximized)
+            else if (WindowState == FormWindowState.Maximized)
             {
                 if (size.Width == 0 || size.Height == 0)
                 {
@@ -516,11 +531,9 @@ namespace Sunny.UI
                     screen.Bounds.Top + screen.WorkingArea.Height / 2 - Size.Height / 2);
 
                 if (location.X == 0 && location.Y == 0) location = center;
-                Location = StartPosition == FormStartPosition.CenterScreen ? center : location;
+                Location = location;
                 SetFormRoundRectRegion(this, ShowRadius ? 5 : 0);
-                windowState = FormWindowState.Normal;
+                WindowState = FormWindowState.Normal;
-                base.WindowState = FormWindowState.Normal;
-                WindowStateChange?.Invoke(this, FormWindowState.Normal);
             }
 
             Invalidate();
@@ -625,7 +638,7 @@ namespace Sunny.UI
         {
             if (FormMoveMouseDown && !MousePosition.Equals(mouseOffset))
             {
-                if (windowState == FormWindowState.Maximized)
+                if (WindowState == FormWindowState.Maximized)
                 {
                     int MaximizedWidth = Width;
                     int LocationX = Left;
@@ -695,6 +708,8 @@ namespace Sunny.UI
                     InControlBox = InMaxBox = InMinBox = false;
                 }
             }
+
+            base.OnMouseMove(e);
         }
 
         protected override void OnMouseLeave(EventArgs e)
@@ -754,7 +769,7 @@ namespace Sunny.UI
             if (ShowRect)
             {
                 Point[] points;
-                bool unShowRadius = !ShowRadius || windowState == FormWindowState.Maximized ||
+                bool unShowRadius = !ShowRadius || WindowState == FormWindowState.Maximized ||
                                     (Width == Screen.PrimaryScreen.WorkingArea.Width &&
                                      Height == Screen.PrimaryScreen.WorkingArea.Height);
                 if (unShowRadius)
@@ -840,7 +855,7 @@ namespace Sunny.UI
                 //         ? FontAwesomeIcons.fa_window_restore
                 //         : FontAwesomeIcons.fa_window_maximize, 24, Color.White, MaximizeBoxRect, 1);
 
-                if (windowState == FormWindowState.Maximized)
+                if (WindowState == FormWindowState.Maximized)
                 {
                     e.Graphics.DrawRectangle(Color.White,
                         MaximizeBoxRect.Left + MaximizeBoxRect.Width / 2 - 5,
@@ -872,7 +887,7 @@ namespace Sunny.UI
                         MaximizeBoxRect.Top + MaximizeBoxRect.Height / 2 + 3);
                 }
 
-                if (windowState == FormWindowState.Normal)
+                if (WindowState == FormWindowState.Normal)
                 {
                     e.Graphics.DrawRectangle(Color.White,
                         MaximizeBoxRect.Left + MaximizeBoxRect.Width / 2 - 5,
@@ -1137,7 +1152,7 @@ namespace Sunny.UI
         /// <param name="e">The <see cref="MouseEventArgs" /> instance containing the event data.</param>
         private void CtrlMouseDown(object sender, MouseEventArgs e)
         {
-            if (windowState == FormWindowState.Maximized)
+            if (WindowState == FormWindowState.Maximized)
             {
                 return;
             }
@@ -1162,7 +1177,7 @@ namespace Sunny.UI
                 return;
             }
 
-            if (windowState == FormWindowState.Maximized)
+            if (WindowState == FormWindowState.Maximized)
             {
                 SetFormRoundRectRegion(this, 0);
             }
@@ -1200,35 +1215,15 @@ namespace Sunny.UI
 
         public string CloseAskString { get; set; }
 
-        private FormWindowState windowState = FormWindowState.Normal;
-
-        public new FormWindowState WindowState
-        {
-            get => windowState;
-            set
-            {
-                if (value == FormWindowState.Minimized)
-                {
-                    base.WindowState = FormWindowState.Minimized;
-                    return;
-                }
-
-                ShowMaximize();
-                windowState = value;
-            }
-        }
-
         protected override CreateParams CreateParams
         {
             get
             {
-                if (this.FormBorderStyle == FormBorderStyle.None)
+                if (base.FormBorderStyle == FormBorderStyle.None)
                 {
-                    // 当边框样式为FormBorderStyle.None时
                     // 点击窗体任务栏图标，可以进行最小化
-                    const int WS_MINIMIZEBOX = 0x00020000;
                     CreateParams cp = base.CreateParams;
-                    cp.Style = cp.Style | WS_MINIMIZEBOX;
+                    cp.Style |= 0x00020000;
                     return cp;
                 }
                 else
@@ -1238,27 +1233,67 @@ namespace Sunny.UI
             }
         }
 
-        public void Show(FormWindowState state)
+        private bool showDragStretch;
+        [Description("显示边框可拖拽调整窗体大小"), Category("SunnyUI"), DefaultValue(false)]
+        public bool ShowDragStretch
         {
-            ShowFullScreen = false;
+            get => showDragStretch;
-
+            set
-            switch (state)
             {
-                case FormWindowState.Minimized:
+                showDragStretch = value;
-                    WindowState = FormWindowState.Minimized;
+                if (value)
-                    base.WindowState = FormWindowState.Minimized;
+                {
-                    break;
+                    ShowRect = true;
-                case FormWindowState.Maximized:
+                    ShowRadius = false;
-                    base.WindowState = FormWindowState.Normal;
+                    Padding = new Padding(2, showTitle ? TitleHeight : 2, 2, 2);
-                    WindowState = FormWindowState.Normal;
+                }
-                    ShowMaximize();
-                    break;
-                case FormWindowState.Normal:
-                    base.WindowState = FormWindowState.Normal;
-                    WindowState = FormWindowState.Maximized;
-                    ShowMaximize();
-                    break;
             }
         }
+
+        #region 拉拽调整窗体大小
+        const int WM_LEFT = 10;
+        const int WM_RIGHT = 11;
+        const int WM_TOP = 12;
+        const int WM_TOPLEFT = 13;
+        const int WM_TOPRIGHT = 14;
+        const int WM_BOTTOM = 15;
+        const int WM_BOTTOMLEFT = 0x10;
+        const int WM_BOTTOMRIGHT = 17;
+        protected override void WndProc(ref Message m)
+        {
+            base.WndProc(ref m);
+
+            if (ShowDragStretch && WindowState == FormWindowState.Normal && m.Msg == 0x0084)
+            {
+                Point vPoint = new Point((int)m.LParam & 0xFFFF, (int)m.LParam >> 16 & 0xFFFF);
+                vPoint = PointToClient(vPoint);
+                int dragSize = 5;
+                if (vPoint.X <= dragSize)
+                {
+                    if (vPoint.Y <= dragSize)
+                        m.Result = (IntPtr)WM_TOPLEFT;
+                    else if (vPoint.Y >= ClientSize.Height - dragSize)
+                        m.Result = (IntPtr)WM_BOTTOMLEFT;
+                    else m.Result = (IntPtr)WM_LEFT;
+                }
+                else if (vPoint.X >= ClientSize.Width - dragSize)
+                {
+                    if (vPoint.Y <= dragSize)
+                        m.Result = (IntPtr)WM_TOPRIGHT;
+                    else if (vPoint.Y >= ClientSize.Height - dragSize)
+                        m.Result = (IntPtr)WM_BOTTOMRIGHT;
+                    else m.Result = (IntPtr)WM_RIGHT;
+                }
+                else if (vPoint.Y <= dragSize)
+                {
+                    m.Result = (IntPtr)WM_TOP;
+                }
+                else if (vPoint.Y >= ClientSize.Height - dragSize)
+                {
+                    m.Result = (IntPtr)WM_BOTTOM;
+                }
+            }
+        }
+        #endregion
     }
 }

SunnyUI/Properties/AssemblyInfo.cs

@@ -31,5 +31,5 @@ using System.Runtime.InteropServices;
 // 可以指定所有这些值，也可以使用“内部版本号”和“修订号”的默认值，
 // 方法是按如下所示使用“*”:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("2.2.7.0")]
+[assembly: AssemblyVersion("2.2.8.0")]
-[assembly: AssemblyFileVersion("2.2.7.0")]
+[assembly: AssemblyFileVersion("2.2.8.0")]

SunnyUI/SunnyUI.csproj

@@ -411,6 +411,7 @@
     <Compile Include="Units\UConcurrentDoubleKeyDictionary.cs" />
     <Compile Include="Units\UConcurrentGroupDictionary.cs" />
     <Compile Include="Units\USnowflakeID.cs" />
+    <Compile Include="Units\USuspendCtrlAltDel.cs" />
     <Compile Include="Units\UThunder.cs" />
     <Compile Include="Controls\UILine.cs">
       <SubType>Component</SubType>

SunnyUI/Units/USuspendCtrlAltDel.cs

@@ -0,0 +1,180 @@
+/******************************************************************************
+ * SunnyUI 开源控件库、工具类库、扩展类库、多页面开发框架。
+ * CopyRight (C) 2012-2020 ShenYongHua(沈永华).
+ * QQ群：56829229 QQ：17612584 EMail：SunnyUI@qq.com
+ *
+ * Blog:   https://www.cnblogs.com/yhuse
+ * Gitee:  https://gitee.com/yhuse/SunnyUI
+ * GitHub: https://github.com/yhuse/SunnyUI
+ *
+ * SunnyUI.dll can be used for free under the GPL-3.0 license.
+ * If you use this code, please keep this note.
+ * 如果您使用此代码，请保留此说明。
+ ******************************************************************************
+ * 文件名称: USuspendCtrlAltDel.cs
+ * 文件说明: 通过挂起winlogon线程来屏蔽Ctrl+Alt+Delete
+ * 当前版本: V2.2
+ * 创建日期: 2020-01-01
+ *
+ * 2020-09-17: V2.2.7 增加文件说明
+******************************************************************************/
+
+using System;
+using System.Diagnostics;
+using System.Runtime.InteropServices;
+
+namespace Sunny.UI
+{
+    /// <summary>
+    /// 通过挂起winlogon.exe线程来屏蔽Ctrl+Alt+Delete
+    /// 程序需要管理员权限
+    /// 需要提升进程权限为SE_PRIVILEGE_ENABLED权限
+    /// winlogon管理着开关机登录界面等功能
+    /// 调用Suspend挂起winlogon.exe，用完后需要Resume，否则无法调用关机界面
+    /// </summary>
+    public static class SuspendCtrlAltDelete
+    {
+        public static void GetSeDebugPrivilege()
+        {
+            IntPtr hToken;
+            LUID luidSEDebugNameValue = new LUID();
+
+
+            if (!OpenProcessToken(Process.GetCurrentProcess().Handle, TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, out hToken))
+            {
+                Console.WriteLine("OpenProcessToken() failed, error = {0} . SeDebugPrivilege is not available", Marshal.GetLastWin32Error());
+                return;
+            }
+            else
+            {
+                Console.WriteLine("OpenProcessToken() successfully");
+            }
+
+            if (!LookupPrivilegeValue(null, SE_DEBUG_NAME, ref luidSEDebugNameValue))
+            {
+                Console.WriteLine("LookupPrivilegeValue() failed, error = {0} .SeDebugPrivilege is not available", Marshal.GetLastWin32Error());
+                CloseHandle(hToken);
+                return;
+            }
+            else
+            {
+                Console.WriteLine("LookupPrivilegeValue() successfully");
+            }
+
+            TOKEN_PRIVILEGES tkpPrivileges = new TOKEN_PRIVILEGES();
+            tkpPrivileges.PrivilegeCount = 1;
+            tkpPrivileges.Privilege.Luid = luidSEDebugNameValue;
+            tkpPrivileges.Privilege.Attributes = SE_PRIVILEGE_ENABLED;
+
+            if (!AdjustTokenPrivileges(hToken, false, ref tkpPrivileges, 0, IntPtr.Zero, 0))
+            {
+                Console.WriteLine("LookupPrivilegeValue() failed, error = {0} .SeDebugPrivilege is not available", Marshal.GetLastWin32Error());
+            }
+            else
+            {
+                Console.WriteLine("SeDebugPrivilege is now available");
+            }
+            CloseHandle(hToken);
+            Console.ReadLine();
+        }
+
+        public static void Suspend()
+        {
+            Process[] processes = Process.GetProcesses();
+            foreach (Process process in processes)
+            {
+                if (process.ProcessName == "winlogon")
+                {
+
+                    IntPtr p = OpenThread(PROCESS_ALL_ACCESS, false, (IntPtr)process.Threads[0].Id);
+                    SuspendThread(p);
+                    CloseHandle(p);
+                }
+            }
+        }
+
+        public static void Resume()
+        {
+            Process[] processes = Process.GetProcesses();
+            foreach (Process process in processes)
+            {
+                if (process.ProcessName == "winlogon")
+                {
+                    IntPtr p = OpenThread(PROCESS_ALL_ACCESS, false, (IntPtr)process.Threads[0].Id);
+                    ResumeThread(p);
+                    CloseHandle(p);
+                }
+            }
+        }
+
+        const int PROCESS_ALL_ACCESS = 0x001F03FF;
+        const string SE_DEBUG_NAME = "SeDebugPrivilege";
+        const uint SE_PRIVILEGE_ENABLED = 0x00000002;
+        const uint STANDARD_RIGHTS_REQUIRED = 0x000F0000;
+        const uint STANDARD_RIGHTS_READ = 0x00020000;
+        const uint TOKEN_ASSIGN_PRIMARY = 0x0001;
+        const uint TOKEN_DUPLICATE = 0x0002;
+        const uint TOKEN_IMPERSONATE = 0x0004;
+        const uint TOKEN_QUERY = 0x0008;
+        const uint TOKEN_QUERY_SOURCE = 0x0010;
+        const uint TOKEN_ADJUST_PRIVILEGES = 0x0020;
+        const uint TOKEN_ADJUST_GROUPS = 0x0040;
+        const uint TOKEN_ADJUST_DEFAULT = 0x0080;
+        const uint TOKEN_ADJUST_SESSIONID = 0x0100;
+        const uint TOKEN_READ = STANDARD_RIGHTS_READ | TOKEN_QUERY;
+        const uint TOKEN_ALL_ACCESS = (STANDARD_RIGHTS_REQUIRED | TOKEN_ASSIGN_PRIMARY |
+                                                TOKEN_DUPLICATE | TOKEN_IMPERSONATE | TOKEN_QUERY | TOKEN_QUERY_SOURCE |
+                                                TOKEN_ADJUST_PRIVILEGES | TOKEN_ADJUST_GROUPS | TOKEN_ADJUST_DEFAULT |
+                                                TOKEN_ADJUST_SESSIONID);
+
+
+        [DllImport("kernel32.dll")]
+        private static extern IntPtr OpenThread(int dwDesiredAccess, bool bInheritHandle, IntPtr dwThreadId);
+
+        [DllImport("kernel32.dll")]
+        private static extern bool CloseHandle(IntPtr hObject);
+
+        [DllImport("kernel32")]
+        private static extern int SuspendThread(IntPtr hThread);
+
+        [DllImport("kernel32")]
+        private static extern int ResumeThread(IntPtr hThread);
+
+        [DllImport("advapi32.dll", SetLastError = true)]
+        private static extern bool OpenProcessToken(IntPtr processHandle, uint desiredAccess, out IntPtr tokenHandle);
+
+        [DllImport("advapi32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
+        [return: MarshalAs(UnmanagedType.Bool)]
+        private static extern bool LookupPrivilegeValue(string lpSystemName, string lpName,
+            [MarshalAs(UnmanagedType.Struct)] ref LUID lpLuid);
+
+        [DllImport("advapi32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
+        [return: MarshalAs(UnmanagedType.Bool)]
+        private static extern bool AdjustTokenPrivileges(IntPtr TokenHandle,
+            [MarshalAs(UnmanagedType.Bool)] bool DisableAllPrivileges,
+            [MarshalAs(UnmanagedType.Struct)] ref TOKEN_PRIVILEGES NewState,
+            uint BufferLength, IntPtr PreviousState, uint ReturnLength);
+
+        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
+        private struct LUID
+        {
+            internal int LowPart;
+            internal uint HighPart;
+        }
+
+        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
+        private struct TOKEN_PRIVILEGES
+        {
+            internal int PrivilegeCount;
+            internal LUID_AND_ATTRIBUTES Privilege;
+        }
+
+
+        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
+        private struct LUID_AND_ATTRIBUTES
+        {
+            internal LUID Luid;
+            internal uint Attributes;
+        }
+    }
+}