FINDTEXTEX  GDALKC 

Contains information about text to search for in a rich edit control. This structure is used with the EM_FINDTEXTEXMI9HXT message.

typedef struct _findtextex { 
    CHARRANGE chrg;      // range to search
    LPSTR lpstrText;     // null-terminated string to find
    CHARRANGE chrgText;  // range in which text is found
} FINDTEXTEX;