clc;

%Recreate?needed?property?constants?defined?in?nilibddc_m.h
DDC_FILE_NAME					=	‘name‘;
DDC_FILE_DEscriptION			=	‘description‘;
DDC_FILE_title					=	‘title‘;
DDC_FILE_AUTHOR					=	‘a(chǎn)uthor‘;
DDC_FILE_DATETIME				=	‘datetime‘;
DDC_CHANNELGROUP_NAME			=	‘name‘;
DDC_CHANNELGROUP_DEscriptION	=	‘description‘;
DDC_CHANNEL_NAME				=	‘name‘;

%Check?if?the?paths?to?‘nilibddc.dll‘?and?‘nilibddc_m.h‘?have?been
%selected.?If?not?prompt?the?user?to?browse?to?each?of?the?files.
if?exist（‘NI_TDM_DLL_Path‘‘var‘）==0
????[dllfiledllfolder]=uigetfile（‘*dll‘‘Select?nilibddc.dll‘）;
????libname=strtok（dllfile‘.‘）;
????NI_TDM_DLL_Path=fullfile（dllfolderdllfile）;
end
if?exist（‘NI_TDM_H_Path‘‘var‘）==0
????[hfilehfolder]=uigetfile（‘*h‘‘Select?nilibddc_m.h‘）;
????NI_TDM_H_Path=fullfile（hfolderhfile）;
end

%Prompt?the?user?to?browse?to?the?path?of?the?TDM?or?TDMS?file?to?read
[filepathfilefolder]=uigetfile（{‘*.tdm‘;‘*.tdms‘}‘Select?a?TDM?or?TDMS?file‘）;
Data_Path=fullfile（filefolderfilepath）;

%Load?nilibddc.dll?（Always?call?‘unloadlibrary（libname）‘?after?finished?using?the?library）
loadlibrary（NI_TDM_DLL_PathNI_TDM_H_Path）;

%Open?the?file?（Always?call?‘DDC_CloseFile‘?when?you?are?finished?using?a?file）
fileIn?=?0;
[errdummyVardummyVarfile]=calllib（libname‘DDC_OpenFileEx‘Data_Path‘‘1fileIn）;

%Read?and?display?file?name?property
filenamelenIn?=?0;
%Get?the?length?of?the?‘DDC_FILE_NAME‘?string?property
[errdummyVarfilenamelen]=calllib（libname‘DDC_GetFileStringPropertyLength‘fileDDC_FILE_NAMEfilenamelenIn）;
if?err==0?%Only?proceed?if?the?property?is?found
????%Initialize?a?string?to?the?length?of?the?property?value
????pfilename=libpointer（‘stringPtr‘blanks（filenamelen））;
????[errdummyVarfilename]=calllib（libname‘DDC_GetFileProperty‘fileDDC_FILE_NAMEpfilenamefilenamelen+1）;
????setdatatype（filename‘int8Ptr‘1filenamelen）;
????disp（[‘File?Name:?‘?char（filename.Value）]）;
end

%Read?and?display?file?description?property
filedesclenIn?=?0;
%Get?the?length?of?the?‘DDC_FILE_DEscriptION‘?string?property
[errdummyVarfiledesclen]=calllib（libname‘DDC_GetFileStringPropertyLength‘fileDDC_FILE_DEscriptIONfiledesclenIn）;
if?err==0?%Only?proceed?if?the?property?is?found
????%Initialize?a?string?to?the?length?of?the?property?value
????pfiledesc=libpointer（‘stringPtr‘blanks（filedesclen））;
????[errdummyVarfiledesc]=calllib（libname‘DDC_GetFileProperty‘fileDDC_FILE_DEscriptIONpfiledescfiledesclen+1）;
????setdatatype（filedesc‘int8Ptr‘1filedesclen）;
????disp（[‘File?Description:?‘?char（filedesc.Value）]）;
end

%Read?and?display?file?title?property
filetitlelenIn?=?0;
%Get?the?length?of?the?‘DDC_FILE_title‘?string?property
[errdummyVarfiletitlelen]=calllib（libname‘DDC_GetFileStringPropertyLength‘fileDDC_FILE_titlefiletitlelenIn）;
if?err==0?%Only?proceed?if?the?property?is?found
????%Initialize?a?string?to?the?length?of?the?property?value
????pfiletitle=libpointer（‘strin

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2020-04-22?19:59??MATLAB?TDM?Example\
?????目錄???????????0??2010-04-30?17:54??MATLAB?TDM?Example\dev\
?????目錄???????????0??2010-04-30?17:54??MATLAB?TDM?Example\dev\bin\
?????目錄???????????0??2010-04-30?17:54??MATLAB?TDM?Example\dev\bin\32-bit\
?????文件?????2306048??2009-10-20?03:48??MATLAB?TDM?Example\dev\bin\32-bit\dacasr.dll
?????目錄???????????0??2010-04-30?17:54??MATLAB?TDM?Example\dev\bin\32-bit\DataModels\
?????目錄???????????0??2010-04-30?17:54??MATLAB?TDM?Example\dev\bin\32-bit\DataModels\USI\
?????目錄???????????0??2010-04-30?17:54??MATLAB?TDM?Example\dev\bin\32-bit\DataModels\USI\1_0\
?????文件???????18725??2009-10-20?03:44??MATLAB?TDM?Example\dev\bin\32-bit\DataModels\USI\1_0\usi_1_0.xsd
?????目錄???????????0??2010-04-30?17:54??MATLAB?TDM?Example\dev\bin\32-bit\DataModels\USI\TDM\
?????目錄???????????0??2010-04-30?17:54??MATLAB?TDM?Example\dev\bin\32-bit\DataModels\USI\TDM\1_0\
?????文件????????6032??2009-10-20?03:44??MATLAB?TDM?Example\dev\bin\32-bit\DataModels\USI\TDM\1_0\USI_TDM_1_0.xml
?????文件???????24470??2009-10-20?05:16??MATLAB?TDM?Example\dev\bin\32-bit\embeddedUSICopyrights.chm
?????文件??????839680??2008-10-15?17:03??MATLAB?TDM?Example\dev\bin\32-bit\hdf5dll.dll
?????文件??????143360??2010-01-29?17:51??MATLAB?TDM?Example\dev\bin\32-bit\nilibddc.dll
?????文件??????671744??2008-10-16?17:02??MATLAB?TDM?Example\dev\bin\32-bit\stlport.5.0.dll
?????文件??????516608??2009-05-25?04:32??MATLAB?TDM?Example\dev\bin\32-bit\tdms_ebd.dll
?????文件??????602112??2009-10-20?03:52??MATLAB?TDM?Example\dev\bin\32-bit\uds.dll
?????文件??????880640??2009-10-20?03:53??MATLAB?TDM?Example\dev\bin\32-bit\usiEx.dll
?????文件??????655360??2009-10-20?03:51??MATLAB?TDM?Example\dev\bin\32-bit\usiPluginTDM.dll
?????文件????????2591??2009-04-23?17:02??MATLAB?TDM?Example\dev\bin\32-bit\USI_STLport_Notice.txt
?????文件???????11560??2009-04-23?17:02??MATLAB?TDM?Example\dev\bin\32-bit\USI_Xerces_License.txt
?????文件?????????570??2009-04-23?17:02??MATLAB?TDM?Example\dev\bin\32-bit\USI_Xerces_Notice.txt
?????文件??????786432??2009-10-20?03:54??MATLAB?TDM?Example\dev\bin\32-bit\uspTdms.dll
?????文件?????1888256??2008-10-15?17:08??MATLAB?TDM?Example\dev\bin\32-bit\xerces-c_2_8_usi.dll
?????目錄???????????0??2010-04-30?17:54??MATLAB?TDM?Example\dev\bin\64-bit\
?????文件?????3460096??2009-10-20?04:47??MATLAB?TDM?Example\dev\bin\64-bit\dacasr.dll
?????目錄???????????0??2010-04-30?17:54??MATLAB?TDM?Example\dev\bin\64-bit\DataModels\
?????目錄???????????0??2010-04-30?17:54??MATLAB?TDM?Example\dev\bin\64-bit\DataModels\USI\
?????目錄???????????0??2010-04-30?17:54??MATLAB?TDM?Example\dev\bin\64-bit\DataModels\USI\1_0\
?????文件???????18725??2009-10-20?03:44??MATLAB?TDM?Example\dev\bin\64-bit\DataModels\USI\1_0\usi_1_0.xsd
............此處省略47個(gè)文件信息