Vielen Dank für den Hinweis. Hat aber leider auch nix gebracht. Beim 20. Aufruf des Fensters kommt "External SIGSERV". Der Aufrufstack sieht wie folgt aus:
Delphi-Quellcode:
#0 SYSTEM_SMALLFORWARDMOVE_3 at :0
#1 MYSQL51CONN_TCONNECTIONNAME_$__MYSQLWRITEDATA$crc1AADA6FD at :0
#2 MYSQL51CONN_TCONNECTIONNAME_$__LOADFIELD$TSQLCURSOR$TFIELDDEF$POINTER$BOOLEAN$$BOOLEAN at :0
#3 SQLDB_TCUSTOMSQLQUERY_$__LOADFIELD$TFIELDDEF$POINTER$BOOLEAN$$BOOLEAN at :0
#4 BUFDATASET_TCUSTOMBUFDATASET_$__LOADBUFFER$PCHAR$$TGETRESULT at :0
#5 BUFDATASET_TCUSTOMBUFDATASET_$__GETNEXTPACKET$$LONGINT at :0
#6 ?? at :0
#7 DBCTRLS_TDBLOOKUP_$__FETCHLOOKUPDATA at :0
#8 DBCTRLS_TDBLOOKUP_$__INITIALIZE$TFIELDDATALINK$TSTRINGS at :0
#9 DBCTRLS_TDBLOOKUP_$__ACTIVECHANGE$TOBJECT at :0
#10 DBCTRLS_TFIELDDATALINK_$__ACTIVECHANGED at :0
#11 DB_TDATALINK_$__CHECKACTIVEANDEDITING at :0
#12 ?? at :0
#13 DB_TDATASET_$__SETACTIVE$BOOLEAN at :0
#14 SQLDB_TCUSTOMSQLQUERY_$__SETACTIVE$BOOLEAN at :0
#15 ?? at :0
#16 MEN_TERMINEDITCLICK(0x1, 0x4c7947d) at frm_main.pas:386
#17 CONTROLS_TCONTROL_$__DBLCLICK at :0
#18 GRIDS_TCUSTOMGRID_$__DBLCLICK at :0
#19 CONTROLS_TCONTROL_$__WMLBUTTONDBLCLK$TLMMOUSE at :0
#20 SYSTEM_TOBJECT_$__DISPATCH$formal at :0
#21 CONTROLS_TCONTROL_$__WMXBUTTONDOWN$TLMMOUSE at :0
#22 CONTROLS_TWINCONTROL_$__WNDPROC$TMESSAGE at :0
#23 GRIDS_TCUSTOMGRID_$__WNDPROC$TMESSAGE at :0
#24 DBGRIDS_TCUSTOMDBGRID_$__WNDPROC$TMESSAGE at :0
#25 LCLMESSAGEGLUE_DELIVERMESSAGE$TOBJECT$formal$$LONGINT at :0
#26 WIN32INT_WINDOWPROC$LONGWORD$LONGWORD$LONGINT$LONGINT$$LONGINT at :0
#27 USER32!GetDC at :0
#28 ?? at :0
#29 USER32!GetDC at :0
#30 WIN32INT_DISPOSECOMBOEDITWINDOWINFO$TCUSTOMCOMBOBOX at :0
#31 USER32!GetWindowLongW at :0
#32 ?? at :0
Hilft Euch das weiter? Seltsam bei #1 finde ich, daß dort MYSQLWRITEDATA$ steht. Ich schreibe gar keine Daten in die Datenbank. Habe das Fenster jeweils mit Cancel beendet.