直接使用指针生成 PWSTR

wherewhere · Aug 20, 2024 · a305ede · a305ede
1 parent 1f2f792
commit a305ede
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Showing 2 changed files with 4 additions and 8 deletions.
diff --git a/CoreAppUWP/Pages/MainPage.xaml.cs b/CoreAppUWP/Pages/MainPage.xaml.cs
@@ -13,7 +13,6 @@
 using Windows.Graphics;
 using Windows.UI.Core;
 
-
 // To learn more about WinUI, the WinUI project structure,
 // and more about our project templates, see: http://aka.ms/winui-project-info.
 

diff --git a/CoreAppUWP/Program.cs b/CoreAppUWP/Program.cs
@@ -30,13 +30,10 @@ private static unsafe bool IsPackagedApp
                 PWSTR str = new();
                 _ = PInvoke.GetCurrentPackageFullName(ref length, str);
 
-                char[] array = new char[length];
-                fixed (char* ptr = array)
-                {
-                    str = new(ptr);
-                    WIN32_ERROR result = PInvoke.GetCurrentPackageFullName(ref length, str);
-                    return result != WIN32_ERROR.APPMODEL_ERROR_NO_PACKAGE;
-                }
+                char* ptr = stackalloc char[(int)length];
+                str = new(ptr);
+                WIN32_ERROR result = PInvoke.GetCurrentPackageFullName(ref length, str);
+                return result != WIN32_ERROR.APPMODEL_ERROR_NO_PACKAGE;
             }
         }