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Tonight’s Topics

• File extension mappings

• The SendTo menu

• Drag and drop printing

• Introduction to the Internet

• Web sites of interest

• BSODs: Blue Screens of Death

• Screen savers

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File Extension Mappings

Recall from last week, each file under NThas an extension (.PPT, .HTML, .DOC, etc)Each extension may have an applicationassociated (mapped) to it, known as thefile type extension.

To list the file types, click View, Optionsfrom the menubar of the Explorer window.

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Using File Type mappings

• Double clicking to auto-start

• Right-click to bring up options

• Drag and drop into other applications

• Drag and drop printing

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File extension mappings: Limitations

These mappings are 1 - 1, that is, only oneapplication may be listed as the defaultfor a given file extension. However,other applications may be associated withthe file type and selected from the menuthat pops up from a right-mouse click.

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Creating your own mappings

To create your own extension mapping, open the NT Explorer and click onView, Options and the File Types tag.This presents the current map list. Itwill also allow us to create a new fileextension mapping.

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File extension maps consist of:

• A file extension (.DAN)

• A program to `link’ to the file type– C:\WINNT\SYSTEM32\WRITE.EXE

• A mime type (application/x-dan)

• An Icon to represent the file itself

• A description of the ‘action’ associatedwith the file (line item in a menu)

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Adding applications to mappings

To add other options (applications) for agiven file type, just add them into the list of Actions for a given extension.Whatever is listed first will be the defaultaction (ie, when the icon is double-clicked)unless you choose the Set Default optionfor one specific entry in the list.

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The QuickView program

For the sake of convenience, an generalpurpose reader program is available toallow you to open a file quickly, withoutnecessarily having to run the entireapplication associated with that file type.The QuickView program allows you toview many types of files.

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Some QuickView files:

• Images (BMP, JPG, GIF, TIF, EPS, CDR)

• WordPerfect docs (DOC, WPD)

• Spreadsheets (WKS, WK1, WQ1, WQ2, MOD)

• System info (INI, INF, DLL, EXE)

• Text files (TXT, WRI, ASC)

• Microsoft products:– PowerPoint (PPT)

– Excel (XLS, XLC)

– Works (WDB, WPS)

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The SendTo menu

Part of the User Profile section for your NT

account deals with the menu of options you

will see for a given file type. These options

can allow you to copy a file to a floppy disk,

drop it on a printer or load it into a favourite

application, all of which are listed under the

SendTo menu.

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Adding to the SendTo menuLook in your account’s home directoryand find the SendTo folder. Draggingicons of programs (shortcuts) into thisarea will automatically add them to theSendTo menu. By default, you shouldsee entries for your briefcase, thefloppy drive and perhaps a printer.Add a program, such as Netscape.

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Drag and drop printing

There is a special case, or action, for dragging documents to icons associatedwith Printers. Obviously, different stepsare needed when printing a WordPerfectdocument as opposed to a simple text file.The special action case will be listed inthe Action list as Printto (2 t’s there)

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Web addresses of interest

• http://www.ntinternals.com

• http://www.somar.com

• http://www.microsoft.com

• http://www.ms.uky.edu/~ma194/week5