SAP CL_GUI_MESSAGE_HANDLER OO Class - Transfers Windows Messages to Method Calls
CL_GUI_MESSAGE_HANDLER is a standard SAP object class available within R/3 SAP systems depending on your version and release level. You can view/maintain the class details by entering its name into the relevant SAP transactions such as SE24, SE80 or even SE84. Below is the documentation available for class CL_GUI_MESSAGE_HANDLER including details of:
- Interface class implementations
- Inheritance details
- Methods defined within class ( including link to full details )
- Attributes ( including initial values )
- Class Events
Inheritance
This OO class has a superclass assigned to it, which means it will inherit its objects and methods. The superclass for CL_GUI_MESSAGE_HANDLER is CL_GUI_CONTROLMethod list of CL_GUI_MESSAGE_HANDLER SAP class
A method is a coding block that performs a certain procedure (i.e. ABAP functionality) on an object within the overall SAP class. In simple terms if the object is an SAP database table a method could be the procedure to add a record or to delete a record. If you are new to OO in many respects, the implementation of a method is similar to a function module and can be called in a very similar way using CALL METHOD.
Instead of "CALL FUNCTION", Methods are referenced using the following syntax: CALL METHOD =>methodname EXPORTING/IMPORTING...
Method Name | Description | Visability |
CONNECT | Connect to Actual Control | Public |
CALL METHOD cl_gui_message_handler=>CONNECT...more details | ||
CONSTRUCTOR | Constructor | Public |
CALL METHOD cl_gui_message_handler=>CONSTRUCTOR...more details |
CL_GUI_MESSAGE_HANDLER attributes
List of attributes within class CL_ABAP_CHAR_UTILITIES. These can be referenced using the following syntax CL_ABAP_CHAR_UTILITIES=>. Although depending on where you are inserting the ABAP code you do need to check if the attribute is public or private.
Name | Level | Description | Initial Value | Type | Visability |
MTHDNAMELOCKEVENTS | Instance Attribute | Name of the event release method | LIKE STRING | Public | |
MTHDNAMEUNLOCKEVENTS | Instance Attribute | Name of the event lock method | LIKE STRING | Public |
Events of Class CL_GUI_MESSAGE_HANDLER
Events are created within your class using special event handler methods. These must be registered at runtime for the event and can then be triggered using the ABAP syntax: RAISE EVENT EXPOTING... EVENT_HAPPENED - Returns a JNet event in XML notationLinks to Related Class(s)
CL_GUI_M...Full list of available SAP object classes
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