切换成x64，同时要注意Opencv在Debug模式下调试时，要使用对应的debug 库文件，否则会报错：无法找到符号。

GameAssist/GameAssist.sln

@@ -8,13 +8,19 @@ EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Win32 = Debug|Win32
+		Debug|x64 = Debug|x64
 		Release|Win32 = Release|Win32
+		Release|x64 = Release|x64
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{A83AED38-393A-4928-BB07-3D5D03CDB242}.Debug|Win32.ActiveCfg = Debug|Win32
 		{A83AED38-393A-4928-BB07-3D5D03CDB242}.Debug|Win32.Build.0 = Debug|Win32
+		{A83AED38-393A-4928-BB07-3D5D03CDB242}.Debug|x64.ActiveCfg = Debug|x64
+		{A83AED38-393A-4928-BB07-3D5D03CDB242}.Debug|x64.Build.0 = Debug|x64
 		{A83AED38-393A-4928-BB07-3D5D03CDB242}.Release|Win32.ActiveCfg = Release|Win32
 		{A83AED38-393A-4928-BB07-3D5D03CDB242}.Release|Win32.Build.0 = Release|Win32
+		{A83AED38-393A-4928-BB07-3D5D03CDB242}.Release|x64.ActiveCfg = Release|x64
+		{A83AED38-393A-4928-BB07-3D5D03CDB242}.Release|x64.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

GameAssist/GameAssist/GameAssist.vcxproj

@@ -5,15 +5,24 @@
       <Configuration>Debug</Configuration>
       <Platform>Win32</Platform>
     </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
     <ProjectConfiguration Include="Release|Win32">
       <Configuration>Release</Configuration>
       <Platform>Win32</Platform>
     </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
     <ProjectGuid>{A83AED38-393A-4928-BB07-3D5D03CDB242}</ProjectGuid>
     <RootNamespace>GameAssist</RootNamespace>
     <Keyword>MFCProj</Keyword>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
@@ -23,21 +32,40 @@
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <PlatformToolset>v142</PlatformToolset>
+    <UseOfMfc>Dynamic</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+  </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <PlatformToolset>v142</PlatformToolset>
     <UseOfMfc>Dynamic</UseOfMfc>
     <CharacterSet>MultiByte</CharacterSet>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <PlatformToolset>v142</PlatformToolset>
+    <UseOfMfc>Dynamic</UseOfMfc>
+    <CharacterSet>MultiByte</CharacterSet>
+  </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
   </ImportGroup>
   <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
   </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
   <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
   </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup>
     <_ProjectFileVersion>16.0.30323.82</_ProjectFileVersion>
@@ -47,11 +75,21 @@
     <IntDir>$(OutDir)$(Configuration)\</IntDir>
     <LinkIncremental>true</LinkIncremental>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LinkIncremental>true</LinkIncremental>
+    <OutDir>..\..\..\bin\$(SolutionName)</OutDir>
+    <IntDir>$(OutDir)\$(Platform)\$(ConfigurationName)\</IntDir>
+  </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <OutDir>..\..\..\bin\$(SolutionName)\</OutDir>
     <IntDir>$(OutDir)$(Configuration)\</IntDir>
     <LinkIncremental>false</LinkIncremental>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LinkIncremental>false</LinkIncremental>
+    <OutDir>..\..\..\bin\$(SolutionName)</OutDir>
+    <IntDir>$(OutDir)\$(Platform)\$(ConfigurationName)\</IntDir>
+  </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <Midl>
       <PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
@@ -80,6 +118,34 @@
       <TargetMachine>MachineX86</TargetMachine>
     </Link>
   </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <Midl>
+      <PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <MkTypLibCompatible>false</MkTypLibCompatible>
+    </Midl>
+    <ClCompile>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
+      <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
+      <PrecompiledHeader>Use</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <AdditionalIncludeDirectories>..\opencv\</AdditionalIncludeDirectories>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <Culture>0x0804</Culture>
+      <AdditionalIncludeDirectories>$(IntDir);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Link>
+      <UACExecutionLevel>RequireAdministrator</UACExecutionLevel>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <SubSystem>Windows</SubSystem>
+      <AdditionalLibraryDirectories>..\opencv\lib</AdditionalLibraryDirectories>
+      <AdditionalDependencies>opencv_core420d.lib;opencv_imgproc420d.lib;opencv_highgui420d.lib;opencv_ml420d.lib;opencv_video420d.lib;opencv_features2d420d.lib;opencv_calib3d420d.lib;opencv_objdetect420d.lib;opencv_flann420d.lib;opencv_dnn420d.lib;opencv_imgcodecs420d.lib;opencv_photo420d.lib;opencv_stitching420d.lib;opencv_videoio420d.lib;opencv_gapi420d.lib;%(AdditionalDependencies)</AdditionalDependencies>
+    </Link>
+  </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <Midl>
       <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
@@ -109,6 +175,39 @@
       <OptimizeReferences>true</OptimizeReferences>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <TargetMachine>MachineX86</TargetMachine>
+      <AdditionalDependencies>%(AdditionalDependencies)</AdditionalDependencies>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <Midl>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <MkTypLibCompatible>false</MkTypLibCompatible>
+    </Midl>
+    <ClCompile>
+      <Optimization>MaxSpeed</Optimization>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <MinimalRebuild>false</MinimalRebuild>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <PrecompiledHeader>Use</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <AdditionalIncludeDirectories>..\opencv\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <Culture>0x0804</Culture>
+      <AdditionalIncludeDirectories>$(IntDir);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Link>
+      <UACExecutionLevel>RequireAdministrator</UACExecutionLevel>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <SubSystem>Windows</SubSystem>
+      <OptimizeReferences>true</OptimizeReferences>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <AdditionalLibraryDirectories>..\opencv\lib</AdditionalLibraryDirectories>
+      <AdditionalDependencies>opencv_core420.lib;opencv_imgproc420.lib;opencv_highgui420.lib;opencv_ml420.lib;opencv_video420.lib;opencv_features2d420.lib;opencv_calib3d420.lib;opencv_objdetect420.lib;opencv_flann420.lib;opencv_dnn420.lib;opencv_imgcodecs420.lib;opencv_photo420.lib;opencv_stitching420.lib;opencv_videoio420.lib;opencv_gapi420.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
@@ -118,7 +217,9 @@
     <ClCompile Include="GameAssistDlg.cpp" />
     <ClCompile Include="stdafx.cpp">
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">Create</PrecompiledHeader>
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">Create</PrecompiledHeader>
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">Create</PrecompiledHeader>
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'">Create</PrecompiledHeader>
     </ClCompile>
     <ClCompile Include="VideoDXGICaptor.cpp" />
   </ItemGroup>