* UIListBox：增加多选行

SunnyUI.Net5.Demo/bin/net5.0-windows/SunnyUI.Net5.Demo.deps.json

@@ -0,0 +1,59 @@
+{
+  "runtimeTarget": {
+    "name": ".NETCoreApp,Version=v5.0",
+    "signature": ""
+  },
+  "compilationOptions": {},
+  "targets": {
+    ".NETCoreApp,Version=v5.0": {
+      "SunnyUI.Net5.Demo/3.0.5": {
+        "dependencies": {
+          "SunnyUI": "3.0.5"
+        },
+        "runtime": {
+          "SunnyUI.Net5.Demo.dll": {}
+        }
+      },
+      "SunnyUI/3.0.5": {
+        "dependencies": {
+          "SunnyUI.Common": "3.0.5"
+        },
+        "runtime": {
+          "lib/net5.0-windows7.0/SunnyUI.dll": {
+            "assemblyVersion": "3.0.5.0",
+            "fileVersion": "3.0.5.0"
+          }
+        }
+      },
+      "SunnyUI.Common/3.0.5": {
+        "runtime": {
+          "lib/net5.0/SunnyUI.Common.dll": {
+            "assemblyVersion": "3.0.5.0",
+            "fileVersion": "3.0.5.0"
+          }
+        }
+      }
+    }
+  },
+  "libraries": {
+    "SunnyUI.Net5.Demo/3.0.5": {
+      "type": "project",
+      "serviceable": false,
+      "sha512": ""
+    },
+    "SunnyUI/3.0.5": {
+      "type": "package",
+      "serviceable": true,
+      "sha512": "sha512-0+U39GWGWBQFmoZom+UOzuST9FxsbUol5RWZgnBLzfGDlR+O4C72HjQ38u9G/SppWBswr5+dmGvFYHBA2HS4uQ==",
+      "path": "sunnyui/3.0.5",
+      "hashPath": "sunnyui.3.0.5.nupkg.sha512"
+    },
+    "SunnyUI.Common/3.0.5": {
+      "type": "package",
+      "serviceable": true,
+      "sha512": "sha512-bP9fQW8P4fJAV6FfU2Xfw3MtOduLoj/j+MRfdIn3eq9bGqDepg/w5/xqXi393Vuxvxk24eY9+5YMRVyeS+tiRg==",
+      "path": "sunnyui.common/3.0.5",
+      "hashPath": "sunnyui.common.3.0.5.nupkg.sha512"
+    }
+  }
+}

SunnyUI.Net5.Demo/bin/net5.0-windows/SunnyUI.Net5.Demo.runtimeconfig.dev.json

@@ -0,0 +1,8 @@
+{
+  "runtimeOptions": {
+    "additionalProbingPaths": [
+      "C:\\Users\\Administrator\\.dotnet\\store\\|arch|\\|tfm|",
+      "C:\\Users\\Administrator\\.nuget\\packages"
+    ]
+  }
+}

SunnyUI.Net5.Demo/bin/net5.0-windows/SunnyUI.Net5.Demo.runtimeconfig.json

@@ -0,0 +1,9 @@
+{
+  "runtimeOptions": {
+    "tfm": "net5.0",
+    "framework": {
+      "name": "Microsoft.WindowsDesktop.App",
+      "version": "5.0.0"
+    }
+  }
+}

SunnyUI/Controls/UIListBox.cs

@@ -27,6 +27,7 @@ using System.ComponentModel;
 using System.Drawing;
 using System.Drawing.Design;
 using System.Windows.Forms;
+using static System.Windows.Forms.ListBox;
 
 namespace Sunny.UI
 {
@@ -84,6 +85,22 @@ namespace Sunny.UI
             set => listbox.TextAlignment = value;
         }
 
+        [DefaultValue(SelectionMode.One)]
+        [Description("选择项所用方法"), Category("SunnyUI")]
+        public SelectionMode SelectionMode
+        {
+            get => listbox.SelectionMode;
+            set => listbox.SelectionMode = value;
+        }
+
+        [DefaultValue(SelectionMode.One)]
+        [Description("选择项所用方法"), Category("SunnyUI")]
+        public SelectedIndexCollection SelectedIndices
+        {
+            get => listbox.SelectedIndices;
+        }
+
+
         protected override void OnContextMenuStripChanged(EventArgs e)
         {
             base.OnContextMenuStripChanged(e);
@@ -737,12 +754,14 @@ namespace Sunny.UI
         protected override void OnMouseMove(MouseEventArgs e)
         {
             base.OnMouseMove(e);
+            if (SelectionMode != SelectionMode.One) return;
             MouseIndex = IndexFromPoint(e.Location);
         }
 
         protected override void OnMouseLeave(EventArgs e)
         {
             base.OnMouseLeave(e);
+            if (SelectionMode != SelectionMode.One) return;
             MouseIndex = -1;
         }
     }