文件名称:twainapp.source.2.0.8
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- 上传时间：2012-10-17
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文件大小：2.2mb
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.NET TWAIN image scanner-Abstract
In Windows imaging applications, the most used API for scanning is TWAIN www.twain.org. Unfortunately, the new .NET Framework has no built-in support for TWAIN. So we have to work with the interop methods of .NET to access this API. This article doesn t explain this interop techniques, and good knowledge of the TWAIN 1.9 specifications is assumed! The sample code included doesn t present a finished library, only some essential steps for a minimal TWAIN adaption to .NET applications.
Details
First step was to port the most important parts of TWAIN.H, these are found in TwainDefs.cs. The real logic for calling TWAIN is coded in the class Twain, in file TwainLib.cs.. As the TWAIN API is exposed by the Windows DLL, twain_32.dll, we have to use the .NET DllImport mechanism for interop with legacy code. This DLL has the central DSM_Entry(), ordinal#1 function exported as the entry point to TWAIN. This call has numerous parameters, and the last one is of variable type! It was f
In Windows imaging applications, the most used API for scanning is TWAIN www.twain.org. Unfortunately, the new .NET Framework has no built-in support for TWAIN. So we have to work with the interop methods of .NET to access this API. This article doesn t explain this interop techniques, and good knowledge of the TWAIN 1.9 specifications is assumed! The sample code included doesn t present a finished library, only some essential steps for a minimal TWAIN adaption to .NET applications.
Details
First step was to port the most important parts of TWAIN.H, these are found in TwainDefs.cs. The real logic for calling TWAIN is coded in the class Twain, in file TwainLib.cs.. As the TWAIN API is exposed by the Windows DLL, twain_32.dll, we have to use the .NET DllImport mechanism for interop with legacy code. This DLL has the central DSM_Entry(), ordinal#1 function exported as the entry point to TWAIN. This call has numerous parameters, and the last one is of variable type! It was f
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下载文件列表
Twain_App_sample01/ChangeLog.txt
Twain_App_sample01/Doxyfile
Twain_App_sample01/Installer/
Twain_App_sample01/Installer/App Installer 32.vdproj
Twain_App_sample01/Installer/App Installer 64.vdproj
Twain_App_sample01/Installer/App Installer.sln
Twain_App_sample01/Installer/BannerTWAIN.bmp
Twain_App_sample01/Installer/twain.ico
Twain_App_sample01/license.txt
Twain_App_sample01/README.txt
Twain_App_sample01/src/
Twain_App_sample01/src/DSMInterface.cpp
Twain_App_sample01/src/DSMInterface.h
Twain_App_sample01/src/main.cpp
Twain_App_sample01/src/main.h
Twain_App_sample01/src/src.pro
Twain_App_sample01/src/Twain_App_sample01.cpp
Twain_App_sample01/src/TwainApp.cpp
Twain_App_sample01/src/TwainApp.h
Twain_App_sample01/src/TwainApp_ui.cpp
Twain_App_sample01/src/TwainApp_ui.h
Twain_App_sample01/src/TwainAppCMD.cpp
Twain_App_sample01/src/TwainAppCMD.h
Twain_App_sample01/src/VerifySignature.cpp
Twain_App_sample01/templates/
Twain_App_sample01/templates/cpp
Twain_App_sample01/templates/h
Twain_App_sample01/TODO.txt
Twain_App_sample01/Twain_App_sample01.pro
Twain_App_sample01/TWAIN1.9_compliancy_checklist.txt
Twain_App_sample01/visual_studio/
Twain_App_sample01/visual_studio/TWAIN_APP_VS2003.sln
Twain_App_sample01/visual_studio/TWAIN_APP_VS2003.vcproj
Twain_App_sample01/visual_studio/TWAIN_APP_VS2005.sln
Twain_App_sample01/visual_studio/TWAIN_APP_VS2005.vcproj
Twain_App_sample01/visual_studio_mfc/
Twain_App_sample01/visual_studio_mfc/mfc.cpp
Twain_App_sample01/visual_studio_mfc/mfc.h
Twain_App_sample01/visual_studio_mfc/mfc.rc
Twain_App_sample01/visual_studio_mfc/mfcDlgConfigure.cpp
Twain_App_sample01/visual_studio_mfc/mfcDlgConfigure.h
Twain_App_sample01/visual_studio_mfc/mfcDlgMain.cpp
Twain_App_sample01/visual_studio_mfc/mfcDlgMain.h
Twain_App_sample01/visual_studio_mfc/res/
Twain_App_sample01/visual_studio_mfc/res/mfc.rc2
Twain_App_sample01/visual_studio_mfc/res/twain.ico
Twain_App_sample01/visual_studio_mfc/resource.h
Twain_App_sample01/visual_studio_mfc/stdafx.cpp
Twain_App_sample01/visual_studio_mfc/stdafx.h
Twain_App_sample01/visual_studio_mfc/TW_Array_Dlg.cpp
Twain_App_sample01/visual_studio_mfc/TW_Array_Dlg.h
Twain_App_sample01/visual_studio_mfc/TWAIN_APP_VS2003_mfc.sln
Twain_App_sample01/visual_studio_mfc/TWAIN_APP_VS2003_mfc.vcproj
Twain_App_sample01/visual_studio_mfc/TWAIN_APP_VS2005_mfc.sln
Twain_App_sample01/visual_studio_mfc/TWAIN_APP_VS2005_mfc.vcproj
Twain_App_sample01/visual_studio_mfc/TWAIN_APP_VS6_mfc.dsp
Twain_App_sample01/visual_studio_mfc/TWAIN_APP_VS6_mfc.dsw
common/Common.h
common/CommonTWAIN.cpp
common/CommonTWAIN.h
common/CTiffWriter.cpp
common/CTiffWriter.h
common/TwainString.cpp
common/TwainString.h
pub/bin/
pub/bin/TWAIN_logo.png
pub/external/
pub/external/bin/
pub/external/bin/FreeImage.dll
pub/external/bin/FreeImagedx64.dll
pub/external/bin/FreeImagex64.dll
pub/external/include/
pub/external/include/FreeImage.h
pub/external/include/twain.h
pub/external/lib/
pub/external/lib/FreeImage.lib
pub/external/lib/FreeImagedx64.lib
pub/external/lib/FreeImagex64.lib
pub/include/
pub/lib/
Twain_App_sample01/Doxyfile
Twain_App_sample01/Installer/
Twain_App_sample01/Installer/App Installer 32.vdproj
Twain_App_sample01/Installer/App Installer 64.vdproj
Twain_App_sample01/Installer/App Installer.sln
Twain_App_sample01/Installer/BannerTWAIN.bmp
Twain_App_sample01/Installer/twain.ico
Twain_App_sample01/license.txt
Twain_App_sample01/README.txt
Twain_App_sample01/src/
Twain_App_sample01/src/DSMInterface.cpp
Twain_App_sample01/src/DSMInterface.h
Twain_App_sample01/src/main.cpp
Twain_App_sample01/src/main.h
Twain_App_sample01/src/src.pro
Twain_App_sample01/src/Twain_App_sample01.cpp
Twain_App_sample01/src/TwainApp.cpp
Twain_App_sample01/src/TwainApp.h
Twain_App_sample01/src/TwainApp_ui.cpp
Twain_App_sample01/src/TwainApp_ui.h
Twain_App_sample01/src/TwainAppCMD.cpp
Twain_App_sample01/src/TwainAppCMD.h
Twain_App_sample01/src/VerifySignature.cpp
Twain_App_sample01/templates/
Twain_App_sample01/templates/cpp
Twain_App_sample01/templates/h
Twain_App_sample01/TODO.txt
Twain_App_sample01/Twain_App_sample01.pro
Twain_App_sample01/TWAIN1.9_compliancy_checklist.txt
Twain_App_sample01/visual_studio/
Twain_App_sample01/visual_studio/TWAIN_APP_VS2003.sln
Twain_App_sample01/visual_studio/TWAIN_APP_VS2003.vcproj
Twain_App_sample01/visual_studio/TWAIN_APP_VS2005.sln
Twain_App_sample01/visual_studio/TWAIN_APP_VS2005.vcproj
Twain_App_sample01/visual_studio_mfc/
Twain_App_sample01/visual_studio_mfc/mfc.cpp
Twain_App_sample01/visual_studio_mfc/mfc.h
Twain_App_sample01/visual_studio_mfc/mfc.rc
Twain_App_sample01/visual_studio_mfc/mfcDlgConfigure.cpp
Twain_App_sample01/visual_studio_mfc/mfcDlgConfigure.h
Twain_App_sample01/visual_studio_mfc/mfcDlgMain.cpp
Twain_App_sample01/visual_studio_mfc/mfcDlgMain.h
Twain_App_sample01/visual_studio_mfc/res/
Twain_App_sample01/visual_studio_mfc/res/mfc.rc2
Twain_App_sample01/visual_studio_mfc/res/twain.ico
Twain_App_sample01/visual_studio_mfc/resource.h
Twain_App_sample01/visual_studio_mfc/stdafx.cpp
Twain_App_sample01/visual_studio_mfc/stdafx.h
Twain_App_sample01/visual_studio_mfc/TW_Array_Dlg.cpp
Twain_App_sample01/visual_studio_mfc/TW_Array_Dlg.h
Twain_App_sample01/visual_studio_mfc/TWAIN_APP_VS2003_mfc.sln
Twain_App_sample01/visual_studio_mfc/TWAIN_APP_VS2003_mfc.vcproj
Twain_App_sample01/visual_studio_mfc/TWAIN_APP_VS2005_mfc.sln
Twain_App_sample01/visual_studio_mfc/TWAIN_APP_VS2005_mfc.vcproj
Twain_App_sample01/visual_studio_mfc/TWAIN_APP_VS6_mfc.dsp
Twain_App_sample01/visual_studio_mfc/TWAIN_APP_VS6_mfc.dsw
common/Common.h
common/CommonTWAIN.cpp
common/CommonTWAIN.h
common/CTiffWriter.cpp
common/CTiffWriter.h
common/TwainString.cpp
common/TwainString.h
pub/bin/
pub/bin/TWAIN_logo.png
pub/external/
pub/external/bin/
pub/external/bin/FreeImage.dll
pub/external/bin/FreeImagedx64.dll
pub/external/bin/FreeImagex64.dll
pub/external/include/
pub/external/include/FreeImage.h
pub/external/include/twain.h
pub/external/lib/
pub/external/lib/FreeImage.lib
pub/external/lib/FreeImagedx64.lib
pub/external/lib/FreeImagex64.lib
pub/include/
pub/lib/
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