vb.net - Issue with overlapping batch file runs -


i having issue in script things running sequentially. have initial script decompile swf. second searches 1 string in 1 of decompiled files , third recompiling new swf.

how can make each process wait until completes before next started?

i having trouble making second script work. nice if display replaced after finished.

here script far:

  imports system.net      public class form3         private sub button7_click(sender system.object, e system.eventargs) handles button7.click             if textbox4.text = ""                 messagebox.show("please select directory")             else                  dim fd openfiledialog = new ope  nfiledialog()             dim strfilename string             fd.title = "open file dialog"             fd.initialdirectory = textbox1.text             fd.filter = "all files (*.*)|*.*|all files (*.*)|*.*"             fd.filterindex = 2             fd.restoredirectory = true              if fd.showdialog() = dialogresult.ok                 strfilename = fd.filename                 if instr(strfilename, ".swf") <> 0                     textbox2.text = strfilename                 else                     messagebox.show("you have pick .swf silly...")                 end if             end if         end if     end sub      private sub button8_click(sender system.object, e system.eventargs) handles button8.click         me.close()     end sub      private sub button1_click(sender system.object, e system.eventargs) handles button1.click         dim folder = textbox4.text & "\hexed"         if textbox2.text = ""                 messagebox.show("you have pick .swf silly...")             else                 if my.computer.filesystem.directoryexists(folder)                     my.computer.filesystem.deletedirectory(folder, fileio.deletedirectoryoption.deleteallcontents)                 end if             my.computer.filesystem.copydirectory("c:\users\matt\documents\my_games\rotmg\shadygamer\windowsapplication1\windowsapplication1\rabcdasm", folder)                 my.computer.filesystem.copyfile(textbox2.text, folder & "\client.swf", true)              dim file_name string = folder & "\decompile.bat"                 dim integer                 dim arytext(4) string                 arytext(0) = "cd " & folder                 arytext(1) = "swfdecompress client.swf"                 arytext(2) = "abcexport client.swf"                 arytext(3) = "rabcdasm client-1.abc"                 dim objwriter new system.io.streamwriter(file_name, false)                 = 0 3                     objwriter.writeline(arytext(i))                 next                 objwriter.close()              dim psi new processstartinfo(folder & "\decompile.bat")                 psi.redirectstandarderror = true                 psi.redirectstandardoutput = true                 psi.createnowindow = false                 psi.windowstyle = processwindowstyle.hidden                 psi.useshellexecute = false             dim decompile new process             process.start(psi)              messagebox.show("click step 2")             button1.visible = false             button3.visible = true         end if     end sub      private sub textbox4_textchanged(sender system.object, e system.eventargs) handles textbox4.textchanged      end sub      private sub button2_click(sender system.object, e system.eventargs) handles button2.click         dim myfolderbrowser new system.windows.forms.folderbrowserdialog         myfolderbrowser.description = "select folder"         myfolderbrowser.shownewfolderbutton = false         dim dlgresult dialogresult = myfolderbrowser.showdialog()         if dlgresult = windows.forms.dialogresult.ok             textbox4.text = myfolderbrowser.selectedpath         end if     end sub      private sub button3_click(sender system.object, e system.eventargs) handles button3.click         dim folder = textbox4.text & "\hexed"         const quote string = """"         dim myfile string = folder & "\client-1\com\company\assembleegameclient\parameters\parameters.class.asasm"         replace(myfile, quote & textbox1.text & quote, quote & textbox3.text & quote)         messagebox.show("click step 3")         button3.visible = false         button4.visible = true     end sub      private sub button4_click(sender system.object, e system.eventargs) handles button4.click         dim folder = textbox4.text & "\hexed"         dim file_name2 string = folder & "\recompile.bat"         dim j integer         dim arytext2(4) string         arytext2(0) = "cd " & folder         arytext2(1) = "rabcasm client-1\client-1.main.asasm"         arytext2(2) = "abcreplace client.swf 1 client-1\client-1.main.abc"         dim objwriter2 new system.io.streamwriter(file_name2, false)         j = 0 2             objwriter2.writeline(arytext2(j))         next         objwriter2.close()          dim ps new processstartinfo(folder & "\recompile.bat")         ps.redirectstandarderror = true         ps.redirectstandardoutput = true         ps.createnowindow = false         ps.windowstyle = processwindowstyle.hidden         ps.useshellexecute = false         dim recompile process = process.start(ps)          my.computer.filesystem.copyfile(folder & "\client.swf", textbox4.text & "\hexed.swf", true)     end sub     end class

you can use process.waitforexit() - msdn here - http://msdn.microsoft.com/en-us/library/system.diagnostics.process.waitforexit.aspx

update

you'll need change way start process use this:

        dim ps new system.diagnostics.process()         dim psi new system.diagnostics.processstartinfo(folder & "\decompile.bat")         psi.redirectstandarderror = true         psi.redirectstandardoutput = true         psi.createnowindow = false         psi.windowstyle = processwindowstyle.hidden         psi.useshellexecute = false          ps.startinfo = psi          ps.start()         ps.waitforexit()

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