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  • it print something in text mode just use AssignFile with port name var Lst system text begin AssignFile Lst LPT1 or LPT2 or COM1 for serial printer Rewrite Lst open it writeln Lst Some stuff Close Lst flush it end If the printer is not ready present any error write statement will raise an exception in I state in I state check the IOResult variable Regards Robert Cerny Remove both

    Original URL path: http://www.efg2.com/Lab/Library/UseNet/1999/0330.txt (2016-02-14)
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  • der Online Hilfe von Delphi unter IOResult nach Du musst dem Compiler die I O Prüfung ausschalten I damit die Variable IOResult einen Wert bekommt Denn kannst Du dann pruefen In der Online Hilfe ist es wesentlich besser beschrieben z B begin AssignFile v Datei ueb Dateiname I Reset v Datei I if IOResult 0 then else mfg ra Andrei Scheibner schrieb in im Newsbeitrag 36F637D8 5B8A0210 htwm de Hallo

    Original URL path: http://www.efg2.com/Lab/Library/UseNet/1999/0323d.txt (2016-02-14)
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  • simplified sped up and shortened by using FindFirst Note that opening a file requires multiple system calls requires the RTL to allocate structures and buffers and all this must be undone at some time It also runs the risk of exceeding available file handles Really it s so much better to use FindFirst or FSearch and they re somewhat more useful for finding a file which isn t in the

    Original URL path: http://www.efg2.com/Lab/Library/UseNet/1999/0219b.txt (2016-02-14)
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  • This directory is read only 10501 2905 Database is read only 10502 2906 Trying to modify read only field 10503 2907 Encrypted dBASE tables not supported 10504 2908 Insufficient SQL rights for operation Invalid context 10753 2A01 Field is not a BLOB 10754 2A02 BLOB already opened 10755 2A03 BLOB not opened 10756 2A04 Operation not applicable 10757 2A05 Table is not indexed 10758 2A06 Engine not initialized 10759 2A07 Attempt to re initialize Engine 10760 2A08 Attempt to mix objects from different sessions 10761 2A09 Paradox driver not active 10762 2A0A Driver not loaded 10763 2A0B Table is read only 10764 2A0C No associated index 10765 2A0D Table s open Cannot perform this operation 10766 2A0E Table does not support this operation 10767 2A0F Index is read only 10768 2A10 Table does not support this operation because it is not uniquely indexed 10769 2A11 Operation must be performed on the current session 10770 2A12 Invalid use of keyword 10771 2A13 Connection is in use by another statement 10772 2A14 Passthrough SQL connection must be shared Os Error not handled by Idapi 11009 2B01 Invalid function number 11010 2B02 File or directory does not exist 11011 2B03 Path not found 11012 2B04 Too many open files You may need to increase MAXFILEHANDLE limit in IDAPI configuration 11013 2B05 Permission denied 11014 2B06 Bad file number 11015 2B07 Memory blocks destroyed 11016 2B08 Not enough memory 11017 2B09 Invalid memory block address 11018 2B0A Invalid environment 11019 2B0B Invalid format 11020 2B0C Invalid access code 11021 2B0D Invalid data 11023 2B0F Device does not exist 11024 2B10 Attempt to remove current directory 11025 2B11 Not same device 11026 2B12 No more files 11027 2B13 Invalid argument 11028 2B14 Argument list is too long 11029 2B15 Execution format error 11030 2B16 Cross device link 11041 2B21 Math argument 11042 2B22 Result is too large 11043 2B23 File already exists 11047 2B27 Unknown internal operating system error 11058 2B32 Share violation 11059 2B33 Lock violation 11060 2B34 Critical DOS Error 11061 2B35 Drive not ready 11108 2B64 Not exact read write 11109 2B65 Operating system network error 11110 2B66 Error from NOVELL file server 11111 2B67 NOVELL server out of memory 11112 2B68 Record already locked by this workstation 11113 2B69 Record not locked Network related 11265 2C01 Network initialization failed 11266 2C02 Network user limit exceeded 11267 2C03 Wrong NET file version 11268 2C04 Cannot lock network file 11269 2C05 Directory is not private 11270 2C06 Directory is controlled by other NET file 11271 2C07 Unknown network error 11272 2C08 Not initialized for accessing network files 11273 2C09 SHARE not loaded It is required to share local files 11274 2C0A Not on a network Not logged in or wrong network driver 11275 2C0B Lost communication with SQL server 11277 2C0D Cannot locate or connect to SQL server 11278 2C0E Cannot locate or connect to network server Optional parameter related 11521 2D01 Optional parameter is required 11522 2D02 Invalid optional parameter Query related 11777 2E01 obsolete 11778 2E02 obsolete 11779 2E03 Ambiguous use of inclusion operator 11780 2E04 obsolete 11781 2E05 obsolete 11782 2E06 A SET operation cannot be included in its own grouping 11783 2E07 Only numeric and date time fields can be averaged 11784 2E08 Invalid expression 11785 2E09 Invalid OR expression 11786 2E0A obsolete 11787 2E0B bitmap 11788 2E0C CALC expression cannot be used in INSERT DELETE CHANGETO and SET rows 11789 2E0D Type error in CALC expression 11790 2E0E CHANGETO can be used in only one query form at a time 11791 2E0F Cannot modify CHANGED table 11792 2E10 A field can contain only one CHANGETO expression 11793 2E11 A field cannot contain more than one expression to be inserted 11794 2E12 obsolete 11795 2E13 CHANGETO must be followed by the new value for the field 11796 2E14 Checkmark or CALC expressions cannot be used in FIND queries 11797 2E15 Cannot perform operation on CHANGED table together with a CHANGETO query 11798 2E16 chunk 11799 2E17 More than 255 fields in ANSWER table 11800 2E18 AS must be followed by the name for the field in the ANSWER table 11801 2E19 DELETE can be used in only one query form at a time 11802 2E1A Cannot perform operation on DELETED table together with a DELETE query 11803 2E1B Cannot delete from the DELETED table 11804 2E1C Example element is used in two fields with incompatible types or with a BLOB 11805 2E1D Cannot use example elements in an OR expression 11806 2E1E Expression in this field has the wrong type 11807 2E1F Extra comma found 11808 2E20 Extra OR found 11809 2E21 One or more query rows do not contribute to the ANSWER 11810 2E22 FIND can be used in only one query form at a time 11811 2E23 FIND cannot be used with the ANSWER table 11812 2E24 A row with GROUPBY must contain SET operations 11813 2E25 GROUPBY can be used only in SET rows 11814 2E26 Use only INSERT DELETE SET or FIND in leftmost column 11815 2E27 Use only one INSERT DELETE SET or FIND per line 11816 2E28 Syntax error in expression 11817 2E29 INSERT can be used in only one query form at a time 11818 2E2A Cannot perform operation on INSERTED table together with an INSERT query 11819 2E2B INSERT DELETE CHANGETO and SET rows may not be checked 11820 2E2C Field must contain an expression to insert or be blank 11821 2E2D Cannot insert into the INSERTED table 11822 2E2E Variable is an array and cannot be accessed 11823 2E2F Label 11824 2E30 Rows of example elements in CALC expression must be linked 11825 2E31 Variable name is too long 11826 2E32 Query may take a long time to process 11827 2E33 Reserved word or one that can t be used as a variable name 11828 2E34 Missing comma 11829 2E35 Missing 11830 2E36 Missing right quote 11831 2E37 Cannot specify duplicate column names 11832 2E38 Query has no checked fields

    Original URL path: http://www.efg2.com/Lab/Library/Delphi/IO/BDEErrors.txt (2016-02-14)
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  • Newsgroups alt lang delphi In article gottfried pauler aon at says I am new to Delphi please help When using the Exception EInOutError I want to get the specific error code of the IO how to do this One can access the error string returned by the exception as follows try AssignFile except on E EInOutError do ShowMessage E Message end You can then use pos and copy to extract

    Original URL path: http://www.efg2.com/Lab/Library/UseNet/1999/0226a.txt (2016-02-14)
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  • supernews com On Tue 22 Feb 2000 07 52 45 GMT Eric Hurtebis wrote When working with files is it now better to continue using I and IOResult or use the new possibilities of Exceptions handlers which one is cleaner Exceptions In the 2nd case can we still get the old IOResult values or equivalent 100 to 106 to determine the cause of the failure Yes The EInOutError class has

    Original URL path: http://www.efg2.com/Lab/Library/UseNet/2000/0222a.txt (2016-02-14)
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  • found this in the FileCtrl Pas file not globally available it should do it Bjoerge function VolumeID DriveChar Char string var OldErrorMode Integer NotUsed VolFlags DWORD Buf array 0 MAX PATH of Char begin OldErrorMode SetErrorMode SEM FAILCRITICALERRORS try Buf 0 00 if GetVolumeInformation PChar DriveChar Buf DWORD sizeof Buf nil NotUsed VolFlags nil 0 then SetString Result Buf StrLen Buf else Result if DriveChar I have tried unsuccessfully to

    Original URL path: http://www.efg2.com/Lab/Library/UseNet/1999/0419.txt (2016-02-14)
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  • net Mime Version 1 0 Newsgroups es comp lenguajes delphi Eloi prueba con esto var LRec TSearchRec OldMode Cardinal Retcode Integer begin OldMode SetErrorMode SEM FAILCRITICALERRORS try RetCode FindFirst A faAnyFile LRec FindClose LRec case RetCode of 0 ShowMessage Accesible con archivos 2 ShowMessage Accesible sin archivos 21 3 ShowMessage No accesible no hay disco en la torre else ShowMessage No accesible el disco no esta fomateado end finally SetErrorMode

    Original URL path: http://www.efg2.com/Lab/Library/UseNet/1999/0323e.txt (2016-02-14)
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