调整代码

ShrlAlgoToolkit.RevitAddins/DrawSheet/SwitchBackgroundCmd.cs

@@ -0,0 +1,21 @@
+using Autodesk.Revit.DB;
+using Nice3point.Revit.Toolkit.External;
+
+using ShrlAlgoToolkit.RevitAddins.RvView;
+using ShrlAlgoToolkit;
+using ShrlAlgoToolkit.RevitAddins;
+
+namespace ShrlAlgoToolkit.RevitAddins.DrawSheet;
+
+[Autodesk.Revit.Attributes.Transaction(Autodesk.Revit.Attributes.TransactionMode.Manual)]
+[Autodesk.Revit.Attributes.Regeneration(Autodesk.Revit.Attributes.RegenerationOption.Manual)]
+public class SwitchBackgroundCmd : ExternalCommand
+{
+    public override void Execute()
+    {
+        var col = Application.BackgroundColor;
+        Application.BackgroundColor = col.Red == 255 && col.Green == 255 && col.Blue == 255
+            ? new Color(32, 40, 49)
+            : new Color(255, 255, 255);
+    }
+}