DirExists Method
Checks if a directory exists on the SFTP server.
Syntax
bool DirExists(const QString& qsRemoteDir);
Remarks
RemoteDir specifies the name of the remote directory to check for existence.
Error Handling
This method returns a Boolean value; after it returns, call the GetLastErrorCode() method to obtain its result code; 0 indicates success, while a non-zero error code indicates that this method encountered an error during its execution. If an error occurs, the GetLastError() method can be called to retrieve the associated error message.