Class interface

[Former Member]

Hi

what is the use of this Class interface. <b>CL_GUI_FRONTEND_SERVICES</b>

PLease explain this.

Regards

Prajwal.

[Former Member]

Call method GET_GUI_VERSION of class CL_GUI_FRONTEND_SERVICES.

from the command line without using any kind of visual user interface

Use the Class cl_gui_frontend_services,In this class use the method ... Presentation - Web Dynpro Component Interface Defintions in Practice

[Former Member]

It is a wrapper class provided for frontend services .

for example FILE_OPEN_DIALOG for opening file.

For this create a instance of the class and call the method desired

[Former Member]

Hi

See the doc of this class

Short text

Frontend Services

Functionality

The class CL_GUI_FRONTEND_SERVICES contains static methods for the following areas:

File functions

Directory functions

Registry

Environment

Write to / read from clipboard

Upload / download files

Execute programs / open documents

Query functions, such as Windows directory, Windows version, and so on

Standard dialogs (open, save, directory selection)

Example

Determine the temp directory on your PC:

DATA: TEMP_DIR TYPE STRING.

CALL METHOD CL_GUI_FRONTEND_SERVICES=>GET_TEMP_DIRECTORY

CHANGING

TEMP_DIR = TEMP_DIR

EXCEPTIONS

CNTL_ERROR = 1

ERROR_NO_GUI = 2.

IF SY-SUBRC <> 0.

• Error handling

ENDIF.

• flush to send previous call to frontend

CALL METHOD CL_GUI_CFW=>FLUSH

EXCEPTIONS

CNTL_SYSTEM_ERROR = 1

CNTL_ERROR = 2

OTHERS = 3.

IF SY-SUBRC <> 0.

• Error handling

ENDIF.

WRITE: / 'Temporary directory is:', TEMP_DIR.

Notes

The class CL_GUI_FRONTEND_SERVICES is based on the Control Framework. See the documentation for more information, in particular on CL_GUI_CFW=>FLUSH which must be called after many CL_GUI_FRONTEND_SERVICES methods.

Migration Information

The old file transfer model was based on function modules of the function group GRAP. The old features have been replaced by the class CL_GUI_FRONTEND_SERVICES. The following list contains the old function modules (italic) and the new methods (bold) that replace them:

CLPB_EXPORT

CLIPBOARD_EXPORT

CLPB_IMPORT

CLIPBOARD_IMPORT

DOWNLOAD

GUI_DOWNLOAD, dialog replaced by FILE_SAVE_DIALOG

PROFILE_GET

No replacement, use REGISTRY_* methods instead

PROFILE_SET

No replacement, use REGISTRY_* methods instead

REGISTRY_GET

REGISTRY_GET_VALUE, REGISTRY_GET_DWORD_VALUE

REGISTRY_SET

REGISTRY_SET_VALUE, REGISTRY_SET_DWORD_VALUE

UPLOAD

GUI_UPLOAD, dialog replaced by FILE_OPEN_DIALOG

WS_DDE

Obsolete: This function is no longer supported.

SET_DOWNLOAD_AUTHORITY

Obsolete: This function is no longer supported.

WS_DOWNLOAD

GUI_DOWNLOAD

WS_DOWNLOAD_WAN

Obsolete: This function is no longer supported.

WS_EXCEL

Obsolete: This function is no longer supported.

WS_EXECUTE

EXECUTE

WS_FILENAME_GET

FILE_SAVE_DIALOG, FILE_OPEN_DIALOG

WS_FILE_ATTRIB

FILE_SET_ATTRIBUTES, FILE_GET_ATTRIBUTES

WS_FILE_COPY

FILE_COPY

WS_FILE_DELETE

FILE_DELETE

WS_MSG

Obsolete: This function is no longer supported.

WS_QUERY

CD (current directory)

DIRECTORY_GET_CURRENT

EN (read/write environment)

ENVIRONMENT_GET_VARIABLE

ENVIRONMENT_SET_VARIABLE

FL (determine file length)

FILE_GET_SIZE

FE (check if file exists)

FILE_EXIST

DE (check if directory exists)

DIRECTORY_EXIST

WS (determine Windows system)

GET_PLATFORM

OS (operating system)

GET_PLATFORM

WS_UPLDL_PATH

Obsolete: This function is no longer supported.

WS_UPLOAD

GUI_UPLOAD

WS_VOLUME_GET

Obsolete: This function is no longer supported.

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Regards

Anji