I/O Functions (Magic xpa 4.x)

I/O device-related functions are not supported in Rich Client tasks.

Blb2File – Saves a BLOB object to a file.

DirDlg – Returns a full path to a selected directory by opening the Windows Choose Directory dialog box.

EOF – End-of-file signal in an I/O device.

EOP – End-of-page signal in an I/O device.

File2Blb – Saves a file to a BLOB object.

File2OLE – Moves a file to an OLE variable.

FileCopy – Copies a file.

FileDelete – Deletes a file from the disk.

FileDlg – Accesses a Windows Open File dialog box.

FileExist – Checks the existence of a disk file or folder.

FileInfo – Returns the file properties.

FileListGet – Returns a list of the file names in a directory based on a set of file-name filters.

FileOpenDlg - Opens the Windows Open File dialog box and returns the list of selected files.

FileRename – Renames a file or folder.

FileSaveDlg - Opens the Windows Save File dialog box and returns the selected file.

IOCurr – Returns the position of an I/O device in the I/O Device repository.

Line – Returns the current line number in an output I/O device.

Page – Returns the current page number in an output I/O device.

ImageReload - Reloads an image from the disk.

The following functions only appear on this list for Rich Client tasks and in the Main Program:

ClientBlb2File – Gets a BLOB variable and saves the BLOB as a file.

ClientDbDel – Deletes a local data source.

ClientDbDiscnt – Disconnects from a local database.

ClientDirDlg – Opens a Windows Directory dialog box and returns the selected directory.

ClientFile2Blb – Moves a file into a BLOB variable.

ClientFileCopy – Copies a file.

ClientFileDelete – Deletes a file from the disk.

ClientFileExist – Checks whether a specified file exists on a drive

ClientFileInfo – Returns the client file properties.

ClientFileListGet – Returns a list of the file names in a directory based on a set of file-name filters.

ClientFileOpenDlg – Opens a Windows Open File dialog box and returns the selected files.

ClientFileRename – Renames a file.

ClientFileSaveDlg – Opens a Windows Save File dialog box and returns the selected file.

ClientFileToServer – Copies a file from the client to the server.

ClientImageCapture – Captures an image from the camera or gallery.

ClientSQLExecute – Executes an SQL statement on a local database.

ServerFileToClient – Copies a file from the server to the client cache folder.