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Wrap

Visual Basic Form | 1991-09-06 | 18.3 KB | 423 lines

VBBinp PC Book Input Form1 Print Filename on each Page Do It Print Date/Time on each Page Print Page Numbers Cancel Cancel Use Speaker Set Line Wrap On Drive1 File1 Outname Output To: comboutname Picture1 wwwwwwwwwwwwwwp wwwwwwwwwwwwwp Combooutname_Change go_click pcbook' Check1_Click go2_clickN ptrarrayY ErrorDept OUTFILE\ JustCount# PC_LineLen, filename: PC_CurDateJ PC_DoHeadero PC_FileTitle{ PC_PgNumber PC_LineWrap: OutHere GetName Title Default NewName. pcbinp BuildArray pages KeyIn PrintSetupW LeftSide RightSide FirstPass DoPass Bookmark NextPage DoMacro LJLocate HeaderM Buffer3 NextPage1a WaitKey abort PrtReset ERDEV AWayOut Flags pgcount@ MaxLines Offset TotalSize FileLeft MemAvail SixteenK BufAvail BuffSizeJ LnCount GetPage stptr LastLineT PageCheck TempLn| temppg PageBreak6 EndBuild} Label1_load EndMacro PTemp @ printlogo StartMacro Form_Click Dir1_Change file1 patht Dir1_Click} lastchange dirsboxclick> fileboxclickb File1_ClickM frame1 caption File1_DblClick button_Click button index listindex@ drive1l drive inname Inname_DragDrop Source clk1_Click clk2_Click clk3_Click clk4_ClickU clk5_Clickg Outname_DragDropb PCBOUTPUT scroutput PCBOUT Drive1_Change Cancel_Click comboutname_Change @ Form_Load comboutname comboutname_Click comoutname Click> abortit Dennisi Scott, ustCountP lengthW padspc Functionpad msglen Picture1_Click VBbinp vbbout PCLineWrap PCLineLen PCFileTitle PCPgNumber PCCurDate PCDoHeader false value comboutname_GotFocus comboutname_LostFocus LineWrap LineLen FileTitle PgNumber CurDate DoHeader BuildArray Maximum number of lines) Start of file (seek point) Open file to check Get LEN of file so we don't read too far Setup a counter to show whats left FRE is not supported by VB. Just set it to 64Kb FRE(FileName$) - 2048 'Check available string memory Force out of memory error Set a buffer sizer If the file is larger than 16K Set it to 16ks Otherwise set it to file sizeo Initialize page counts First pointer is always 1a Initialize line countl Read the filea Check amount left to readl If less than our buffer, use lessor Otherwise use full buffer size Read in a buffers worthf Pointer into buffer$ remember last position Position of next linefeeds Position of next pagefeeds If there was a page feed was it before our linefeed?r yes then bump page count set next array element set instr pointer reset linecountf and loop back for more Linefeed If Line Wrap, check length Greater than 80? check for line wrapr increment line > 66 lines Increment page count Too may pages - printing only 512. Notice point to next in point in file point ahead 1 byte for next scan keep checking Pointer into file (tally)n Reset Buffer pointer Calculate how much is left If more text in file, keep going Set last pointer to end of fileg Close input file End of BuildArray Sub Label1_load This section is not used at this timee PCBook - PC Magazine Booklet Printing Utility"u Copyright 1990 PC Magazine Ziff Davis Jay Munro"u Converted to Visual Basic by Dennis Scott"u DoMacro y2X"t execute the macro EndMacro y1X"t Send end of macro command y9X"t Make it temporary (10 to be permanent) Header Create a string to print Print the filename Print the current page odd page, right side even page, left side Print the current date even page, left side odd page, right side Print the Header and skip a line for readability LJLocate Laser Jet cursor locatee printlogo Banner logo VB Book Converted to Visual Basic by Dennis Scott." Send Comments/Suggestions to:" CompuDirect 9102 Ocean Gate San Antonio, TX" (512)623-6856 About VB Book" PrintSetup Send codes to prepare printerd Reset laserjet (simple isn't it!)r &l1o5.45C"t Select lineprinter font" (s0p16.66Ht and pitchp &l0Lt Turn off page feed at 66 lines Wrap lines > 80 chars &s0Ct &l2Et Top margin 2 lines Left side macro Reset left - right margins &a0l80M"t set left margin 0, right 80 Right side macro Reset left - right margins &a95l175M"t set left margin 95, right 175 StartMacro Macro will have an id of Num$ &f0Xt Start the macro nowr Form_Click If user clicks on the form, call the about box go_click This is the main code - everything is actually called from here Code for Drive, Directory, and File selections Sorry! You must first select a file." No application chosen. cancel buttonc total number of pages (512) Error trapping Ensure that we have a file name (user may have clicked DoIt withoutt entering a filename) Enter a file name to print: Filename Set title.n Get user input. Check if valid. You did not input a valid Filename." Click on OK to End Program Display message. FOR TESTING: PC.LineWrap = 0p Build index array for pages in FileName$ Have not converted status display Print Print "Reading file "; filename$ Built pointer arrayF Figure number of pages neededn Even multiples of 4 only correct for less Have not converted status display Printn Print "You will print "; Page% \ 4; "sheets" 'Report total number of pages Print JustCount% is set to false always due to status section not beinge converted to VBe Press any key to continue, or ESC to cancel printingu Open printer or output file Set up printer Page parsing variables Open the input filep Have not converted status displayi Print "Printing Side 1 to "; outfile$; 'Track what is going on Start of print routine Flag for halfway through Force 1 if too small Read text and send to printer or file; Print the right side of the page first If blank, then skip it Start on right siden Home the cursorg Header if needed Read in a page If the last character is a PFt print only texth Otherwise print full liney Don't print blank pages Reset margins for left sidee Home the cursorg Header if needed Setup buffer for input If pointing at blank page, skipr Read in a page if the last character is a PFr print only texti print only text otherwise print alln Page feed Calculate next page in seriesi Track our progress Print pages until halfway throught Pause between sides to allow for paper reinsertion If side one, prompt and get 2nd side First Pass has been Completed. Insert paper back in tray and Click OK Press any key to continue loop Waiting" Flag for second pass Have not converted status display msg$ = "Printing Side 2 to " + outfile$t Print msg$ 'Report on progress End of first pass Printing is done now Printing completed." Reset laserjet Close all files" Thats all for noww Error handlero *** Error ***" Printer error. Device is unavailable. Insert a disk in the drive and close the door. Device Input/Output Error (Check Printer!)." Disk is full." That filename is illegal." That path doesn't exist. Can't open your file for that type of access." This file is already open. This file has a nonstandard end-of-file marker or an attempt was made to read beyond the end- of-file marker." Error number " ERROR" If user presses Cancel, Exit End of main module Dir1_Change Dir1_Click File1_Click use the following line to put filename in framef if using a frame: inname.caption = "Load " + file1.filenamee File1_DblClick clk1_Click Toggle on/offe Still have to do the Header if clk2 or clk3 buttons are checked clk2_Click Toggle on/offT Still have to do the Header if clk1 or clk3 buttons are checked clk3_Click Toggle on/offT Still have to do the Header if clk1 or clk2 buttons are checked clk4_Click Toggle on/offT clk5_Click Toggle on/offT Drive1_Change Cancel_Click If user clicks on the cancel button then ... Form_Load Set up the output combo boxo default to LPT1e set default check-box values set some variables Standard ESC codet Page Feed Line Feed CR and LFd Not allowing "just counting" Maximum length of line comboutname_Click Select where to send the output LPT1& LPT2& COM1& COM2& file& You must select an input filename first! set focus to file list box Now make up a default output filename with same name and PRN as extensionn Enter filename to print to:" Output File Name Get a filename put filename in combo boxU set focus to file list box Picture1_Click Show the "about" box