P/Invoke&C++ -> C#/Win32

hanmin0822 · May 29, 2023 · 90d74ab · 90d74ab
1 parent f193dd2
commit 90d74ab
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Showing 30 changed files with 411 additions and 626 deletions.
diff --git a/Directory.Build.props b/Directory.Build.props
@@ -1,6 +1,6 @@
 <Project>
 
-  <PropertyGroup Condition="'$(MSBuildProjectExtension)' == '.csproj'">
+  <PropertyGroup>
     <TargetPlatformVersion>10.0.22621.0</TargetPlatformVersion>
     <TargetPlatformMinVersion>7.0</TargetPlatformMinVersion>
     <TargetFrameworks>netframework4.7.2;netcoreapp7.0-windows$(TargetPlatformVersion)</TargetFrameworks>
@@ -9,27 +9,8 @@
     <Version>2.12.2.0</Version>
   </PropertyGroup>
 
-  <ItemGroup Condition="'$(MSBuildProjectExtension)' == '.vcxproj'">
-    <ProjectCapability Include="PackageReferences" />
-  </ItemGroup>
-  <PropertyGroup Condition="'$(MSBuildProjectExtension)' == '.vcxproj'">
-    <AssetTargetFallback>$(AssetTargetFallback);native</AssetTargetFallback>
-    <TargetFrameworkMoniker>native,Version=v0.0</TargetFrameworkMoniker>
-    <NuGetTargetMoniker>native,Version=v0.0</NuGetTargetMoniker>
-    <RuntimeIdentifiers>win;win-x86;win-x64</RuntimeIdentifiers>
-  </PropertyGroup>
-
-  <PropertyGroup Condition="'$(MSBuildProjectExtension)' == '.csproj' and $(TargetFramework.StartsWith('netcoreapp'))">
-    <IncludeWindowsSDKRefFrameworkReferences>false</IncludeWindowsSDKRefFrameworkReferences>
-  </PropertyGroup>
-
-  <ItemGroup Condition="'$(MSBuildProjectExtension)' == '.csproj' and $(TargetFramework.StartsWith('netframework'))">
+  <ItemGroup Condition="$(TargetFramework.StartsWith('netframework'))">
     <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.3" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(MSBuildProjectExtension)' == '.vcxproj'">
-    <PackageReference Include="VC-LTL" Version="5.0.5" />
-    <PackageReference Include="Microsoft.Windows.SDK.CPP.$(PlatformShortName)" Version="10.0.22621.*" />
-  </ItemGroup>
-
 </Project>
diff --git a/Directory.Build.targets b/Directory.Build.targets
@@ -0,0 +1,30 @@
+<Project Condition="'$(MSBuildProjectExtension)' == '.csproj'">
+
+  <ItemGroup Condition="'$(UseWin32)' == 'true'">
+    <PackageReference Include="Microsoft.Windows.CsWin32" Version="0.3.2-beta" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.Windows.SDK.Win32Metadata" Version="52.0.65-preview" PrivateAssets="all" />
+    <None Remove="NativeMethods.txt" Condition="Exists('NativeMethods.txt')" />
+    <AdditionalFiles Update="NativeMethods.txt" Link="Properties\NativeMethods.txt" Condition="Exists('NativeMethods.txt')" />
+    <AdditionalFiles Include="Properties\NativeMethods.txt" Condition="Exists('Properties\NativeMethods.txt')" />
+    <None Remove="NativeMethods.json" Condition="Exists('NativeMethods.json')" />
+    <AdditionalFiles Include="$(MSBuildThisFileDirectory)\NativeMethods.json" Link="Properties\NativeMethods.json" Condition="Exists('$(MSBuildThisFileDirectory)\NativeMethods.json')" />
+  </ItemGroup>
+
+  <Choose>
+    <When Condition="'$(TargetFrameworkIdentifier)' == '.NETCoreApp' and '$(_TargetFrameworkVersionWithoutV)' &gt;= '5.0'">
+      <PropertyGroup>
+        <IncludeWindowsSDKRefFrameworkReferences Condition="'$(UseWinRT)' != 'true'">false</IncludeWindowsSDKRefFrameworkReferences>
+        <IncludeWindowsSDKRefFrameworkReferences Condition="'$(UseWinRT)' == 'true'">true</IncludeWindowsSDKRefFrameworkReferences>
+      </PropertyGroup>
+      <ItemGroup Condition="'$(UseWinRT)' == 'true'">
+        <PackageReference Include="Microsoft.Windows.CsWinRT" Version="2.0.2" PrivateAssets="all" />
+      </ItemGroup>
+    </When>
+    <Otherwise>
+      <ItemGroup Condition="'$(UseWinRT)' == 'true'">
+        <PackageReference Include="Microsoft.Windows.SDK.Contracts" Version="$([System.Version]::Parse('$(TargetPlatformVersion)').ToString(3)).*" PrivateAssets="all" />
+      </ItemGroup>
+    </Otherwise>
+  </Choose>
+
+</Project>
diff --git a/KeyboardMouseHookLibrary/FindWindowInfo.cs b/KeyboardMouseHookLibrary/FindWindowInfo.cs
@@ -1,62 +1,37 @@
 using System;
 using System.Collections.Generic;
+using System.Drawing;
 using System.Linq;
 using System.Runtime.InteropServices;
 using System.Text;
 using System.Threading.Tasks;
+using Windows.Win32;
+using Windows.Win32.Foundation;
 
 namespace KeyboardMouseHookLibrary
 {
     public class FindWindowInfo
     {
-        [DllImport("user32.dll", EntryPoint = "WindowFromPoint")]//指定坐标处窗体句柄
-        public static extern int WindowFromPoint(
-            int xPoint,
-            int yPoint
-        );
-
-        [DllImport("user32.dll", EntryPoint = "GetWindowText")]
-        public static extern int GetWindowText(
-            int hWnd,
-            StringBuilder lpString,
-            int nMaxCount
-        );
-
-        [DllImport("user32.dll", EntryPoint = "GetClassName")]
-        public static extern int GetClassName(
-            int hWnd,
-            StringBuilder lpString,
-            int nMaxCont
-        );
-
-        [DllImport("User32.dll", CharSet = CharSet.Auto)]
-        public static extern int GetWindowThreadProcessId(
-            IntPtr hwnd,
-            out int ID
-        );
-
         /// <summary>
         /// 获取指定坐标处窗口的句柄
         /// </summary>
-        /// <param name="mouseX"></param>
-        /// <param name="mouseY"></param>
-        /// <returns></returns>
-        public static int GetWindowHWND(int mouseX, int mouseY)
+        public static IntPtr GetWindowHWND(Point point)
         {
-
-            int hwnd = WindowFromPoint(mouseX, mouseY);
-            return hwnd;
+            return PInvoke.WindowFromPoint(point);
         }
 
         /// <summary>
         /// 根据HWND获得窗口标题
         /// </summary>
         /// <param name="hwnd"></param>
         /// <returns></returns>
-        public static string GetWindowName(int hwnd)
+        public static unsafe string GetWindowName(IntPtr hwnd)
         {
-            StringBuilder name = new StringBuilder(256);
-            GetWindowText(hwnd, name, 256);
+            Span<char> name = stackalloc char[PInvoke.GetWindowTextLength((HWND)hwnd) + 1];
+            fixed(char* pName = name)
+            {
+                PInvoke.GetWindowText((HWND)hwnd, pName, name.Length);
+            }
             return name.ToString();
         }
 
@@ -65,10 +40,13 @@ public static string GetWindowName(int hwnd)
         /// </summary>
         /// <param name="hwnd"></param>
         /// <returns></returns>
-        public static string GetWindowClassName(int hwnd)
+        public static unsafe string GetWindowClassName(IntPtr hwnd)
         {
-            StringBuilder name = new StringBuilder(256);
-            GetClassName(hwnd, name, 256);
+            Span<char> name = stackalloc char[256];
+            fixed(char* pName = name)
+            {
+                name = name.Slice(0, PInvoke.GetClassName((HWND)hwnd, pName, 256) + 1);
+            }
             return name.ToString();
         }
 
@@ -77,13 +55,11 @@ public static string GetWindowClassName(int hwnd)
         /// </summary>
         /// <param name="hwnd"></param>
         /// <returns></returns>
-        public static int GetProcessIDByHWND(int hwnd)
+        public static unsafe uint GetProcessIDByHWND(IntPtr hWnd)
         {
-            int oo;
-            IntPtr ip = new IntPtr(hwnd);
-            GetWindowThreadProcessId(ip, out oo);
-            return oo;
+            uint result;
+            PInvoke.GetWindowThreadProcessId((HWND)hWnd, &result);
+            return result;
         }
-
     }
 }