zxing barcode generator example c# Part 3: Customizing Windows in Visual C#

Maker QR in Visual C# Part 3: Customizing Windows

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reg query %key% /v %hiddenvalue% | find "0x2" > NUL if errorlevel 1 goto Hide :Show reg add %key% /v %hiddenvalue% /t REG_DWORD /d 1 /f > NUL reg add %key% /v %superhiddenvalue% /t REG_DWORD /d 1 /f > NUL reg add %key% /v %fileextvalue% /t REG_DWORD /d 0 /f > NUL
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Part 3: Customizing Windows
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Automating Windows XP
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echo. echo Windows Explorer will show hidden files and file name extensions. echo You might need to change to another folder or press F5 to refresh echo the view for the change to take effect. goto :eof :Hide reg add %key% /v %hiddenvalue% /t REG_DWORD /d 2 /f > NUL reg add %key% /v %superhiddenvalue% /t REG_DWORD /d 0 /f > NUL reg add %key% /v %fileextvalue% /t REG_DWORD /d 1 /f > NUL echo. echo Windows Explorer will not show hidden files and file name extensions. echo (These are the default settings.) You might need to change to another echo folder or press F5 to refresh the view for the change to take effect.
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Here s the equivalent script version, ToggleHiddenExplorerStuff.vbs, written in VBScript:
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' Script to toggle Windows Explorer display of hidden files, ' super-hidden files, and file name extensions Option Explicit Dim dblHiddenData, strHiddenKey, strSuperHiddenKey, strFileExtKey Dim strKey, WshShell On Error Resume Next strKey = "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced" strHiddenKey = strKey & "\Hidden" strSuperHiddenKey = strKey & "\ShowSuperHidden" strFileExtKey = strKey & "\HideFileExt" Set WshShell = WScript.CreateObject("WScript.Shell") dblHiddenData = WshShell.RegRead(strHiddenKey) If dblHiddenData = 2 Then WshShell.RegWrite strHiddenKey, 1, "REG_DWORD" WshShell.RegWrite strSuperHiddenKey, 1, "REG_DWORD" WshShell.RegWrite strFileExtKey, 0, "REG_DWORD" WScript.Echo "Windows Explorer will show hidden files and file " & _ "name extensions. You might need to change to another folder " & _ "or press F5 to refresh the view for the change to take effect." Else WshShell.RegWrite strHiddenKey, 2, "REG_DWORD" WshShell.RegWrite strSuperHiddenKey, 0, "REG_DWORD" WshShell.RegWrite strFileExtKey, 1, "REG_DWORD" WScript.Echo "Windows Explorer will not show hidden files or file " & _ "name extensions. (These are the default settings.) You might " & _ "need to change to another folder or press F5 to refresh the " & _ "view for the change to take effect." End If
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Both programs are included on the companion CD.
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Part 3: Customizing Windows
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Microsoft Windows XP Inside Out, Second Edition
Finding Scripting Resources
You won t learn how to write a script in this chapter. You must know a scripting language, or else use the resources described in the following paragraphs to learn one. (If you know Visual Basic, you already know a scripting language.) Our intent here is to show you some of what you can do with Windows Script Host and help you find the widely scattered information you need to use it effectively.
Wscript vs. Cscript
Windows XP includes two programs that run WSH scripts. Cscript.exe is the command-line version, and Wscript.exe is the GUI version. Although this sounds like a big distinction, for most scripts the differences are pretty small. Try running Hello.vbs a one-line program described on page 545 with each program to see the difference. At the command prompt, type these two lines:
cscript hello.vbs wscript hello.vbs
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Figure 15-6 shows the results. Cscript displays the words Hello World in a Command Prompt window. Wscript displays a small dialog box with the message Hello World and an OK button. With Cscript, you use command-line parameters to change the properties of a script file. Wscript, in contrast, provides a dialog box to set the properties. Type wscript at a command prompt to display the properties dialog box.
Output from Cscript.exe
Graphical output from Wscript.exe
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Figure 15-6. Cscript.exe, the console version, displays its result in a Command Prompt window, whereas Wscript.exe generates a dialog box. Note that Cscript and Wscript command-line options use two slashes. This differentiates them from command-line options for the script being executed, which use a single slash. To see all the command-line options, type cscript // (or wscript // ) at a command prompt.
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