Send it as a pointer

SendMessage(GetDlgItem(hdlg, DLG_HELPSIZE), CB_ADDSTRING, 0, LParam
(@MyString));
or
SendMessage(GetDlgItem(hdlg, DLG_HELPSIZE), CB_ADDSTRING, 0,
LongInt(PChar(MyString)));


and to retrieve (if needed)

MyString := PShortString(msg.wparam)^;

>>>>  How do I send a string as the lparam in the sendmessage command?


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