我的 Visual Studio 2010 解决方案有 C DLL 和调用 C DLL 的 C# 项目。 在 32 位 Windows-7 Pro 计算机上构建时解决方案工作正常。 在 64 位 Windows-7 Pro 上，构建正常，但运行时，C# 调用 DLL 中的函数并出现错误:
A first chance exception of type 'System.BadImageFormatException'
解决方案配置管理器设置为:
<DLL project> Platform = Win32 (<<< no option to change to "Any CPU")
<C# project> Platform = "Any CPU"
下面的输出是:
C DLL 构建输出
C# 构建输出
运行输出
C DLL 构建输出:
1>------ Rebuild All started: Project: Ultrasound_Frame_Grabber, Configuration: Debug Win32 ------
1> Processing ..\..\..\include\USGFWSDK\include\Usgfw2.idl
1> Usgfw2.idl
1> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\oaidl.idl
1> oaidl.idl
1> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\objidl.idl
1> objidl.idl
1> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\unknwn.idl
1> unknwn.idl
1> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\wtypes.idl
1> wtypes.idl
1> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\basetsd.h
1> basetsd.h
1> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\guiddef.h
1> guiddef.h
1> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\ocidl.idl
1> ocidl.idl
1> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\oleidl.idl
1> oleidl.idl
1> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\servprov.idl
1> servprov.idl
1> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\urlmon.idl
1> urlmon.idl
1> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\msxml.idl
1> msxml.idl
1> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\strmif.idl
1> strmif.idl
1> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\control.odl
1> control.odl
1> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\oaidl.acf
1> oaidl.acf
1> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\ocidl.acf
1> ocidl.acf
1> stdafx.cpp
1> DIBSectn.cpp
1> sample.cpp
1> sampleDlg.cpp
1> Ultrasound_Frame_Grabber.cpp
1> Generating Code...
1> Usgfw2_i.c
1> .NETFramework,Version=v4.0.AssemblyAttributes.cpp
1> Creating library C:\Primary\PROJECTS\VasoNova\WORK\Win7 VPS\Debug\Ultrasound_Frame_Grabber.lib and object C:\Primary\PROJECTS\VasoNova\WORK\Win7 VPS\Debug\Ultrasound_Frame_Grabber.exp
1>strmbasd.lib(mtype.obj) : warning LNK4075: ignoring '/EDITANDCONTINUE' due to '/INCREMENTAL:NO' specification
1> sample.vcxproj -> C:\Primary\PROJECTS\VasoNova\WORK\Win7 VPS\Debug\Ultrasound_Frame_Grabber.dll
========== Rebuild All: 1 succeeded, 0 failed, 0 skipped ==========
2) C# 构建输出:
1>------ Skipped Rebuild All: Project: VNMath, Configuration: Debug Win32 ------
1>Project not selected to build for this solution configuration
2>------ Skipped Rebuild All: Project: GuiManager, Configuration: Debug Any CPU ------
2>Project not selected to build for this solution configuration
3>------ Rebuild All started: Project: Ultrasound_Frame_Grabber, Configuration: Debug Win32 ------
4>------ Skipped Rebuild All: Project: VNCommon, Configuration: Debug Any CPU ------
4>Project not selected to build for this solution configuration
5>------ Skipped Rebuild All: Project: AudioUtility, Configuration: Debug Any CPU ------
5>Project not selected to build for this solution configuration
6>------ Skipped Rebuild All: Project: VNDevices, Configuration: Debug Any CPU ------
6>Project not selected to build for this solution configuration
7>------ Skipped Rebuild All: Project: SimpleRPC, Configuration: Debug Any CPU ------
7>Project not selected to build for this solution configuration
8>------ Skipped Rebuild All: Project: VNSockCommunication, Configuration: Debug Any CPU ------
8>Project not selected to build for this solution configuration
9>------ Skipped Rebuild All: Project: PdfSharp, Configuration: Debug Any CPU ------
9>Project not selected to build for this solution configuration
10>------ Skipped Rebuild All: Project: VNUserControls, Configuration: Debug Any CPU ------
10>Project not selected to build for this solution configuration
11>------ Skipped Rebuild All: Project: GuiServer, Configuration: Debug Any CPU ------
11>Project not selected to build for this solution configuration
3> Processing ..\..\..\include\USGFWSDK\include\Usgfw2.idl
3> Usgfw2.idl
3> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\oaidl.idl
3> oaidl.idl
3> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\objidl.idl
3> objidl.idl
3> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\unknwn.idl
3> unknwn.idl
3> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\wtypes.idl
3> wtypes.idl
3> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\basetsd.h
3> basetsd.h
3> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\guiddef.h
3> guiddef.h
3> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\ocidl.idl
3> ocidl.idl
3> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\oleidl.idl
3> oleidl.idl
3> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\servprov.idl
3> servprov.idl
3> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\urlmon.idl
3> urlmon.idl
3> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\msxml.idl
3> msxml.idl
3> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\strmif.idl
3> strmif.idl
3> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\control.odl
3> control.odl
3> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\oaidl.acf
3> oaidl.acf
3> Processing C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\ocidl.acf
3> ocidl.acf
3> stdafx.cpp
3> DIBSectn.cpp
3> sample.cpp
3> sampleDlg.cpp
3> Ultrasound_Frame_Grabber.cpp
3> Generating Code...
3> Usgfw2_i.c
3> .NETFramework,Version=v4.0.AssemblyAttributes.cpp
3> Creating library C:\Primary\PROJECTS\my_project\WORK\Win7 VPS\Debug\Ultrasound_Frame_Grabber.lib and object C:\Primary\PROJECTS\my_project\WORK\Win7 VPS\Debug\Ultrasound_Frame_Grabber.exp
3>strmbasd.lib(mtype.obj) : warning LNK4075: ignoring '/EDITANDCONTINUE' due to '/INCREMENTAL:NO' specification
3> sample.vcxproj -> C:\Primary\PROJECTS\my_project\WORK\Win7 VPS\Debug\Ultrasound_Frame_Grabber.dll
12>------ Rebuild All started: Project: MY_APP, Configuration: Debug Any CPU ------
C:\Primary\PROJECTS\my_project\WORK\Win7 VPS\MY_APP\FrmMY_APP.cs(291,4): warning CS0162: Unreachable code detected
C:\Primary\PROJECTS\my_project\WORK\Win7 VPS\MY_APP\FrmMY_APP.cs(441,4): warning CS0164: This label has not been referenced
C:\Primary\PROJECTS\my_project\WORK\Win7 VPS\MY_APP\FrmMY_APP.cs(1276,13): warning CS0219: The variable 'exportFrmIsUp' is assigned but its value is never used
C:\Primary\PROJECTS\my_project\WORK\Win7 VPS\MY_APP\FrmMY_APP.cs(91,66): warning CS0067: The event 'VN.Forms.MY_APPForm.m_eventTabletConnectionStatusChanged' is never used
Compile complete -- 0 errors, 4 warnings
12> MY_APP -> C:\Primary\PROJECTS\my_project\WORK\Win7 VPS\MY_APP\bin\Debug\MY_APP.exe
12> C:\Primary\PROJECTS\my_project\WORK\Win7 VPS\\CommsLibrary\Common.Logging.dll
12> C:\Primary\PROJECTS\my_project\WORK\Win7 VPS\\CommsLibrary\Common.Logging.Log4Net.dll
12> C:\Primary\PROJECTS\my_project\WORK\Win7 VPS\\CommsLibrary\DistributedFileSystem.dll
12> C:\Primary\PROJECTS\my_project\WORK\Win7 VPS\\CommsLibrary\ICSharpCode.SharpZipLib.dll
12> C:\Primary\PROJECTS\my_project\WORK\Win7 VPS\\CommsLibrary\libMobiledevice.dll
12> C:\Primary\PROJECTS\my_project\WORK\Win7 VPS\\CommsLibrary\log4net.config
12> C:\Primary\PROJECTS\my_project\WORK\Win7 VPS\\CommsLibrary\log4net.dll
12> C:\Primary\PROJECTS\my_project\WORK\Win7 VPS\\CommsLibrary\NetworkCommsDotNet.dll
12> C:\Primary\PROJECTS\my_project\WORK\Win7 VPS\\CommsLibrary\protobuf-net.dll
12> C:\Primary\PROJECTS\my_project\WORK\Win7 VPS\\CommsLibrary\QuickLZCompressor.dll
12> C:\Primary\PROJECTS\my_project\WORK\Win7 VPS\\CommsLibrary\SerializerBase.dll
12> C:\Primary\PROJECTS\my_project\WORK\Win7 VPS\\CommsLibrary\SevenZipLZMACompressor.dll
12> C:\Primary\PROJECTS\my_project\WORK\Win7 VPS\\CommsLibrary\SharpZipLibCompressor.dll
12> 13 file(s) copied.
========== Rebuild All: 2 succeeded, 0 failed, 10 skipped ==========
3) 运行输出:
'MY_APP.vshost.exe' (Managed (v4.0.30319)): Loaded 'C:\Windows\Microsoft.Net\assembly\GAC_64\mscorlib\v4.0_4.0.0.0__b77a5c561934e089\mscorlib.dll', Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'MY_APP.vshost.exe' (Managed (v4.0.30319)): Loaded 'C:\Windows\assembly\GAC_MSIL\Microsoft.VisualStudio.HostingProcess.Utilities\10.0.0.0__b03f5f7f11d50a3a\Microsoft.VisualStudio.HostingProcess.Utilities.dll', Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'MY_APP.vshost.exe' (Managed (v4.0.30319)): Loaded 'C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.Windows.Forms\v4.0_4.0.0.0__b77a5c561934e089\System.Windows.Forms.dll', Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'MY_APP.vshost.exe' (Managed (v4.0.30319)): Loaded 'C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.Drawing\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Drawing.dll', Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'MY_APP.vshost.exe' (Managed (v4.0.30319)): Loaded 'C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System\v4.0_4.0.0.0__b77a5c561934e089\System.dll', Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'MY_APP.vshost.exe' (Managed (v4.0.30319)): Loaded 'C:\Windows\assembly\GAC_MSIL\Microsoft.VisualStudio.HostingProcess.Utilities.Sync\10.0.0.0__b03f5f7f11d50a3a\Microsoft.VisualStudio.HostingProcess.Utilities.Sync.dll', Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'MY_APP.vshost.exe' (Managed (v4.0.30319)): Loaded 'C:\Windows\assembly\GAC_MSIL\Microsoft.VisualStudio.Debugger.Runtime\10.0.0.0__b03f5f7f11d50a3a\Microsoft.VisualStudio.Debugger.Runtime.dll', Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'MY_APP.vshost.exe' (Managed (v4.0.30319)): Loaded 'C:\Primary\PROJECTS\VasoNova\WORK\Win7 VPS\MY_APPG4\bin\Debug\MY_APP.vshost.exe', Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'MY_APP.vshost.exe' (Managed (v4.0.30319)): Loaded 'C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.Configuration\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Configuration.dll', Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'MY_APP.vshost.exe' (Managed (v4.0.30319)): Loaded 'C:\Windows\Microsoft.Net\assembly\GAC_64\System.Data\v4.0_4.0.0.0__b77a5c561934e089\System.Data.dll', Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'MY_APP.vshost.exe' (Managed (v4.0.30319)): Loaded 'C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.Core\v4.0_4.0.0.0__b77a5c561934e089\System.Core.dll', Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'MY_APP.vshost.exe' (Managed (v4.0.30319)): Loaded 'C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.Deployment\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Deployment.dll', Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'MY_APP.vshost.exe' (Managed (v4.0.30319)): Loaded 'C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.ServiceModel\v4.0_4.0.0.0__b77a5c561934e089\System.ServiceModel.dll', Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'MY_APP.vshost.exe' (Managed (v4.0.30319)): Loaded 'C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.ServiceProcess\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.ServiceProcess.dll', Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'MY_APP.vshost.exe' (Managed (v4.0.30319)): Loaded 'C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.Web.Extensions\v4.0_4.0.0.0__31bf3856ad364e35\System.Web.Extensions.dll', Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'MY_APP.vshost.exe' (Managed (v4.0.30319)): Loaded 'C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.Xml\v4.0_4.0.0.0__b77a5c561934e089\System.Xml.dll', Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
The thread 'vshost.NotifyLoad' (0x197c) has exited with code 0 (0x0).
The thread '<No Name>' (0x838) has exited with code 0 (0x0).
The thread 'vshost.LoadReference' (0x1744) has exited with code 0 (0x0).
'MY_APP.vshost.exe' (Managed (v4.0.30319)): Loaded 'C:\Primary\PROJECTS\VasoNova\WORK\Win7 VPS\MY_APPG4\bin\Debug\MY_APP.exe', Symbols loaded.
'MY_APP.vshost.exe' (Managed (v4.0.30319)): Loaded 'C:\Primary\PROJECTS\VasoNova\WORK\Win7 VPS\MY_APPG4\bin\Debug\VN.Common.dll', Symbols loaded.
'MY_APP.vshost.exe' (Managed (v4.0.30319)): Loaded 'C:\Primary\PROJECTS\VasoNova\WORK\Win7 VPS\MY_APPG4\bin\Debug\GuiServer.dll', Symbols loaded.
'MY_APP.vshost.exe' (Managed (v4.0.30319)): Loaded 'C:\Primary\PROJECTS\VasoNova\WORK\Win7 VPS\MY_APPG4\bin\Debug\GuiManager.dll', Symbols loaded.
'MY_APP.vshost.exe' (Managed (v4.0.30319)): Loaded 'C:\Primary\PROJECTS\VasoNova\WORK\Win7 VPS\MY_APPG4\bin\Debug\VNUserControls.dll', Symbols loaded.
'MY_APP.vshost.exe' (Managed (v4.0.30319)): Loaded 'C:\Primary\PROJECTS\VasoNova\WORK\Win7 VPS\MY_APPG4\bin\Debug\VNSockCommunication.dll', Symbols loaded.
通信步骤 0:MY_APPForm_Load。我的应用程序现在调用 DLL 中的 C 函数，这会导致此错误:
A first chance exception of type 'System.BadImageFormatException' occurred in MY_APP.exe
最佳答案
Loaded 'C:\Windows\Microsoft.Net\assembly\GAC_64\mscorlib...
您的程序作为 64 位进程运行。您的 DLL 包含 32 位非托管代码。轰隆隆。
您需要强制您的 EXE 作为 32 位进程运行，以便可以加载 DLL。在“解决方案资源管理器”窗口中右键单击您的 EXE 项目。 Properties，Build 选项卡，将 Platform target 设置从 AnyCPU 更改为 x86。在 VS2012 及更高版本上勾选“首选 32 位”选项。重复发布配置。
关于c# - "A first chance exception of type ' System.BadImageFormatException ' "在 64 位计算机上构建后，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/18625394/
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