Method ITcFileAccess:FileFindFirst
Option to scroll through the files in a directory.
Syntax
virtual HRESULT TCOMAPI FileFindFirst (PCCH szFileName, PTcFileFindData pFileFindData , PTcFileFindHandle phFileFind);
Return value
If successful, S_OK ("0") or another positive value will be returned, cf. Return values. Extended messages refer in particular to the column HRESULT in ADS Return Codes.
A particularly interesting error code is ADSERR_DEVICE_TIMEOUT if the timeout (5 seconds) has elapsed.
Parameter
Name | Type | Description |
|---|---|---|
szFileName | PCCH | [in] directory or path and name of the file sought. The file name can contain placeholders such as asterisk (*) or question mark (?). |
pFileFindData | PTcFileFindData | [out] the description of the first file, cf. TcFileAccessServices.h |
phFileFind | PTcFileFindHandle | [out] handle for searching further with FileFindNext. |
Description
This method starts by searching for files in a given directory. The method grants access to PTcFileFindData of the first file found, with the following information:
typedef struct TcFileFindData
{
TcFileHandle hFile;
DWORD dwFileAttributes;
ULONGLONG ui64CreationTime;
ULONGLONG ui64LastAccessTime;
ULONGLONG ui64LastWriteTime;
DWORD dwFileSizeHigh;
DWORD dwFileSizeLow;
DWORD dwReserved1;
DWORD dwReserved2;
CHAR cFileName[260];
CHAR cAlternateFileName[14];
WORD wReserved0;
} TcFileFindData, *PTcFileFindData;