AutoHotkey Community

(From WinDll.txt included in the download:)
BOOL WINAPI ZpSetOptions(ZPOPT)
typedef struct {
LPSTR Date;             /* Date to include after */
LPSTR szRootDir;        /* Directory to use as base for zipping */
LPSTR szTempDir;        /* Temporary directory used during zipping */
BOOL fTemp;             /* Use temporary directory '-b' during zipping */
BOOL fSuffix;           /* include suffixes (not implemented in WiZ) */
BOOL fEncrypt;          /* encrypt files */
BOOL fSystem;           /* include system and hidden files */
BOOL fVolume;           /* Include volume label */
BOOL fExtra;            /* Exclude extra attributes */
BOOL fNoDirEntries;     /* Do not add directory entries */
BOOL fExcludeDate;      /* Exclude files earlier than specified date */
BOOL fIncludeDate;      /* Include only files earlier than specified date */
BOOL fVerbose;          /* Mention oddities in zip file structure */
BOOL fQuiet;            /* Quiet operation */
BOOL fCRLF_LF;          /* Translate CR/LF to LF */
BOOL fLF_CRLF;          /* Translate LF to CR/LF */
BOOL fJunkDir;          /* Junk directory names */
BOOL fGrow;             /* Allow appending to a zip file */
BOOL fForce;            /* Make entries using DOS names (k for Katz) */
BOOL fMove;             /* Delete files added or updated in zip file */
BOOL fDeleteEntries;    /* Delete files from zip file */
BOOL fUpdate;           /* Update zip file--overwrite only if newer */
BOOL fFreshen;          /* Freshen zip file--overwrite only */
BOOL fJunkSFX;          /* Junk SFX prefix */
BOOL fLatestTime;       /* Set zip file time to time of latest file in it */
BOOL fComment;          /* Put comment in zip file */
BOOL fOffsets;          /* Update archive offsets for SFX files */
BOOL fPrivilege;        /* Use privileges (WIN32 only) */
BOOL fEncryption;       /* TRUE if encryption supported, else FALSE.
                           this is a read-only flag */
int  fRecurse;          /* Recurse into subdirectories. 1 => -r, 2 => -R */
int  fRepair;           /* Repair archive. 1 => -F, 2 => -FF */
char fLevel;            /* Compression level (0 - 9) */
} ZPOPT, _far *LPZPOPT;

VarSetCapacity( struct, struct_size, 0 )

date = Sunday, January 15, 2006

EncodeInteger( &date, 4, &struct, 0 )
etc.

void __stdcall SetDefaultParams(ParamStruct* dps);

typedef struct {
    int size;
    DWORD VersionLow;
    DWORD VersionHigh;
    char FileName[MAX_PATH];
} ParamStruct;

ParamStruct_FileName=C:\test.txt
VarSetCapacity(ParamStruct, 16, 0)
NumPut(16, ParamStruct, 0, "int")
NumPut(2 , ParamStruct, 4, "uint")
NumPut(0 , ParamStruct, 8, "uint")
;NumPut(0 , ParamStruct, 12, "uint")
EncodeInteger(&ParamStruct + 12, &ParamStruct_FileName)
DllCall("dllfile.dll\SetDefaultParams" ,"uint", &ParamStruct)

EncodeInteger(Destination, Value)
{
    DllCall("ntdll\RtlFillMemoryUlong", "Uint", Destination, "Uint", 4, "Uint", Value)
}

File := "C:\test.txt"
StructLen := 12 + StrLen( File ) + 1
VarSetCapacity( ParamStruct, StructLen, 0 )
NumPut( StructLen, ParamStruct, 0, "Int"  )
NumPut(  2, ParamStruct, 4, "UInt" )
StrPut( File, &ParamStruct+12 )

;DllCall("dllfile.dll\SetDefaultParams" ,"uint", &ParamStruct)

_=_______________________________________________________________________

; A function pair to read/write strings from/to memory address.

StrPut( Str, @ ) {
Return DllCall( "RtlMoveMemory", UInt,@, UInt,&Str, UInt,StrLen(Str) )
}

StrGet( @ ) {
Return DllCall( "MulDiv", int,@, int,1, int,1, "Str" )
}