/// <summary>
/// Xoa tat ca cac tap tin va thu muc con ben trong thu muc strFolder,
/// va ca thu muc strFolder tren FTP server
/// Tham so:
/// strFolder: ten thu muc muon xoa
/// Tra ve:
/// true: thanh cong
/// false: that bai
/// </summary>
public bool DeleteFolder(String strFolder)
{
bool flag = _DeleteFolder(strFolder);
return(flag && CWinINet.FtpRemoveDirectory(m_HConnect, strFolder));
}
/// <summary>
/// Xoa tat ca cac tap tin va thu muc con ben trong thu muc strFolder
/// tren FTP server
/// Tham so:
/// strFolder: ten thu muc muon xoa
/// </summary>
private bool _DeleteFolder(String strFolder)
{
StringBuilder szPath = new StringBuilder(256);
uint uiLen = 256;
WIN32_FIND_DATA FindFileData = new WIN32_FIND_DATA();
IntPtr hFindFile;
if (CWinINet.FtpSetCurrentDirectory(m_HConnect, strFolder) == false)
{
return(false);
}
hFindFile = CWinINet.FtpFindFirstFile(m_HConnect, null, FindFileData,
CWinINet.INTERNET_FLAG_RELOAD, 0);
if (hFindFile.ToPointer() != null)
{
// Xoa tat ca cac tap tin
if (!((FindFileData.dwFileAttributes & FileAttribute.FILE_ATTRIBUTE_DIRECTORY) == FileAttribute.FILE_ATTRIBUTE_DIRECTORY))
{
if (CWinINet.FtpDeleteFile(m_HConnect, FindFileData.cFileName) == false)
{
return(false);
}
}
while (CWinINet.InternetFindNextFile(hFindFile, FindFileData))
{
if (!((FindFileData.dwFileAttributes & FileAttribute.FILE_ATTRIBUTE_DIRECTORY) == FileAttribute.FILE_ATTRIBUTE_DIRECTORY))
{
if (!CWinINet.FtpDeleteFile(m_HConnect, FindFileData.cFileName))
{
return(false);
}
}
}
CWinINet.InternetCloseHandle(hFindFile);
// Xoa tat ca cac thu muc
do
{
hFindFile = CWinINet.FtpFindFirstFile(m_HConnect, null, FindFileData,
CWinINet.INTERNET_FLAG_RELOAD, 0);
if (hFindFile.ToPointer() != null)
{
CWinINet.InternetFindNextFile(hFindFile, FindFileData); // Bo qua thu muc ".."
if (CWinINet.InternetFindNextFile(hFindFile, FindFileData))
{
CWinINet.InternetCloseHandle(hFindFile);
return(_DeleteFolder(FindFileData.cFileName));
if (!CWinINet.FtpRemoveDirectory(m_HConnect, FindFileData.cFileName))
{
return(false);
}
}
else
{
CWinINet.InternetCloseHandle(hFindFile);
break;
}
}
else
{
break;
}
}while (true);
// Tra ve thu muc hien hanh
uiLen = 256;
if (CWinINet.FtpGetCurrentDirectory(m_HConnect, szPath, ref uiLen) == false)
{
return(false);
}
if (CWinINet.FtpSetCurrentDirectory(m_HConnect, szPath.ToString() + "//..") == false)
{
return(false);
}
}
return(true);
}