/// <summary>
/// Get a RAPIFileTime structure for the specified file
/// </summary>
/// <param name="FileName">Name of the file to check</param>
/// <param name="DesiredTime">A RAPIFileTime</param>
/// <returns>The DateTime for the specified value</returns>
public DateTime GetDeviceFileTime(string FileName, RAPIFileTime DesiredTime)
{
CheckConnection();
IntPtr hFile = IntPtr.Zero;
long created = 0;
long modified = 0;
long accessed = 0;
hFile = CeCreateFile(FileName, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);
if((int)hFile == INVALID_HANDLE_VALUE)
{
throw new RAPIException("Could not open remote file");
}
if(! Convert.ToBoolean(CeGetFileTime(hFile, ref created, ref modified, ref accessed)))
{
CeCloseHandle(hFile);
throw new RAPIException("Could not get file time");
}
CeCloseHandle(hFile);
switch(DesiredTime)
{
case RAPIFileTime.CreateTime:
return DateTime.FromFileTime(created);
case RAPIFileTime.LastAccessTime:
return DateTime.FromFileTime(accessed);
case RAPIFileTime.LastModifiedTime:
return DateTime.FromFileTime(modified);
default:
throw new RAPIException("Invalid DesiredTime parameter");
}
}
/// <summary>
/// Modified a FileTime for the specified file
/// </summary>
/// <param name="FileName">File to modify</param>
/// <param name="DesiredTime">Time to modify</param>
/// <param name="NewTime">New time to set</param>
public void SetDeviceFileTime(string FileName, RAPIFileTime DesiredTime, DateTime NewTime)
{
CheckConnection();
IntPtr hFile = IntPtr.Zero;
hFile = CeCreateFile(FileName, GENERIC_WRITE, FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);
if((int)hFile == INVALID_HANDLE_VALUE)
{
throw new RAPIException("Could not open remote file");
}
SYSTEMTIME st = new SYSTEMTIME(NewTime);
long ft = (long)st;
long empty = 0;
switch(DesiredTime)
{
case RAPIFileTime.CreateTime:
if(! Convert.ToBoolean(CeSetFileTime(hFile, ref ft, ref empty, ref empty)))
{
CeCloseHandle(hFile);
throw new RAPIException("Could not get file time");
}
break;
case RAPIFileTime.LastAccessTime:
if(! Convert.ToBoolean(CeSetFileTime(hFile, ref empty, ref ft, ref empty)))
{
CeCloseHandle(hFile);
throw new RAPIException("Could not get file time");
}
break;
case RAPIFileTime.LastModifiedTime:
if(! Convert.ToBoolean(CeSetFileTime(hFile, ref empty, ref empty, ref ft)))
{
CeCloseHandle(hFile);
throw new RAPIException("Could not get file time");
}
break;
default:
throw new RAPIException("Invalid DesiredTime parameter");
}
CeCloseHandle(hFile);
}
/// <summary>
/// Modified a FileTime for the specified file
/// </summary>
/// <param name="FileName">File to modify</param>
/// <param name="DesiredTime">Time to modify</param>
/// <param name="NewTime">New time to set</param>
public bool SetDeviceFileTime(string FileName, RAPIFileTime DesiredTime, DateTime NewTime)
{
CheckConnection();
IntPtr hFile = IntPtr.Zero;
hFile = CeCreateFile(FileName, GENERIC_WRITE, FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);
if((int)hFile == INVALID_HANDLE_VALUE)
{
return false;
}
SYSTEMTIME st = new SYSTEMTIME(NewTime);
long ft = (long)st;
long empty = 0;
switch(DesiredTime)
{
case RAPIFileTime.CreateTime:
if(! Convert.ToBoolean(CeSetFileTime(hFile, ref ft, ref empty, ref empty)))
{
CeCloseHandle(hFile);
return false;
}
break;
case RAPIFileTime.LastAccessTime:
if(! Convert.ToBoolean(CeSetFileTime(hFile, ref empty, ref ft, ref empty)))
{
CeCloseHandle(hFile);
return false;
}
break;
case RAPIFileTime.LastModifiedTime:
if(! Convert.ToBoolean(CeSetFileTime(hFile, ref empty, ref empty, ref ft)))
{
CeCloseHandle(hFile);
return false;
}
break;
default:
return false;
}
CeCloseHandle(hFile);
return true;
}
