Declaring DLL of a compressed decompressed file

xiaoxiao2021-03-06  119

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The function declaration in .NET:

Public static extern int myzip_addfile (String srcfile);

Public static extern int myzip_adddirectory (string srcpath, string zipfile);

Public static extern int myzip_extractfileAll (String Zipfile, String Pathname);

Public static extern int myzip_extractfile (string zipfile, string srcname, string dstname);

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(Compressed file)

Function myzip_addfile (srcfile, zipfile: pchar): integer; stdcall;

Function: Add file srcfile to the compressed document zipfile

Parameters: SRCFILE ????? to be compressed file (full path)

?????? zipfile ?????? Target file (full path)

Return: <0 ???????????

??????> 0 ??????????? success

Description: The same name file will be automatically replaced (OVERWRITE)

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2. (Compressed Directory)

Function myzip_adddirectory (srcpath, zipfile: pchar): integer; stdcall;

Function: Add all files (subdirectory) in the directory SRCPATH to the compressed document zipfile

Parameters: srcpath ????? Standby Resistment Directory (full path)

?????? zipfile ?????? Target file (full path)

Return: <0 ???????????

??????> 0 ??????????? success

Description: The same name file will be automatically replaced (OVERWRITE)

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(Unzipped all files in the shrink)

Function myzip_extractfileAll (zipfile, Pathname: Pchar): integer; stdcall;

Function: Unpack all files contained in ZipFile to folder Pathname

Parameters: zipfile ????? Compressed file (full path)

?????? Pathname ????? file output path (if not, you automatically create this directory)

Return: <0 ???????????

?????? = 0 ??????????? The compressed file is not included in any file

??????> 0? ?????????? Unpacking file number

Description: The same name file will be automatically replaced (OVERWRITE)

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2. (Unzip the specified file in the zoom)

Function myzip_extractfile (zipfile, srcname, dstname: pchar): integer; stdcall;

Function: Unpack the file specified by srcname from zipfile to the target file specified by Dstname

Parameters: zipfile ????? Compressed file (full path)

?????? srcname ?????? Need to unpack the file (not included with the path)

?????? dstname ?????? Target file (full path)

Return: <0 ???????????

?????? = 0 ??????????? the compressed file is not included in the SRCNAME

??????> 0 ??????????? success

Description: The same name file will be automatically replaced (OVERWRITE)

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1. (error message)

Function myzip_getlasterror (out msg: shortstring): integer; stdcall;

Function: In the process of compression / decompression, if there is an error occurs, you can immediately call the function to get the relevant error message and return by MSG.

Parameters: MSG ?????????? Used to return related error information

Return: <0 ???????????

??????> 0 ??????????? success

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