Use LibraryImport for native APIs

Author: 2dust

v2rayN/v2rayN/Common/WindowsUtils.cs

@@ -5,7 +5,7 @@
 
 namespace v2rayN.Common;
 
-internal static class WindowsUtils
+internal static partial class WindowsUtils
 {
     private static readonly string _tag = "WindowsUtils";
 
@@ -39,8 +39,8 @@ public static void SetClipboardData(string strData)
         }
     }
 
-    [DllImport("dwmapi.dll")]
-    public static extern int DwmSetWindowAttribute(nint hwnd, DWMWINDOWATTRIBUTE attribute, ref int attributeValue, uint attributeSize);
+    [LibraryImport("dwmapi.dll")]
+    public static partial int DwmSetWindowAttribute(nint hwnd, DWMWINDOWATTRIBUTE attribute, ref int attributeValue, uint attributeSize);
 
     public static ImageSource IconToImageSource(Icon icon)
     {

v2rayN/v2rayN/Manager/HotkeyManager.cs

@@ -1,6 +1,6 @@
 namespace v2rayN.Manager;
 
-public sealed class HotkeyManager
+public sealed partial class HotkeyManager
 {
     private static readonly Lazy<HotkeyManager> _instance = new(() => new());
     public static HotkeyManager Instance = _instance.Value;
@@ -165,11 +165,13 @@ private void OnThreadPreProcessMessage(ref MSG msg, ref bool handled)
         }
     }
 
-    [DllImport("user32.dll", SetLastError = true)]
-    private static extern bool RegisterHotKey(nint hWnd, int id, int fsModifiers, int vlc);
+    [LibraryImport("user32.dll", SetLastError = true)]
+    [return: MarshalAs(UnmanagedType.Bool)]
+    private static partial bool RegisterHotKey(nint hWnd, int id, int fsModifiers, int vlc);
 
-    [DllImport("user32.dll", SetLastError = true)]
-    private static extern bool UnregisterHotKey(nint hWnd, int id);
+    [LibraryImport("user32.dll", SetLastError = true)]
+    [return: MarshalAs(UnmanagedType.Bool)]
+    private static partial bool UnregisterHotKey(nint hWnd, int id);
 
     [Flags]
     private enum KeyModifiers

v2rayN/v2rayN/v2rayN.csproj

@@ -8,6 +8,7 @@
 		<ApplicationIcon>Resources\v2rayN.ico</ApplicationIcon>
 		<ApplicationManifest>app.manifest</ApplicationManifest>
 		<SupportedOSPlatformVersion>7.0</SupportedOSPlatformVersion>
+		<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
 	</PropertyGroup>
 
 	<ItemGroup>
@@ -35,4 +36,4 @@
 		<ProjectReference Include="..\ServiceLib\ServiceLib.csproj" />
 	</ItemGroup>
 
-</Project>
+</Project>