Solution : https://service.sap.com/sap/support/notes/1731837 (SAP Service marketplace login required)
Key words :
sap gui overwrites pretranslatemessage, user defined window message, implement message handler function, sap gui window, sap gui patch, terms sap gui, wm_keydownsap gui sends, window messages correspondingly, case sap gui, ocx cannnot receive
Related Notes :
| 1053737 | Expected release dates for SAP GUI for Windows & ITS Patches |
| 563161 | SAP GUI, SAP ITS & SAP IGS patches on Service Marketplace |
| 535308 | How to apply a SAP Front End patch? |
| 330793 | Downloading patches |