how to generate barcode using c#.net Letting the User Select Multiple Items or No Items in Microsoft Office

Printer UPC Symbol in Microsoft Office Letting the User Select Multiple Items or No Items

Letting the User Select Multiple Items or No Items
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To allow the user to select multiple items in a choose from list dialog box, add the with multiple selections allowed parameter You don t need to set this to true or false; if you add this parameter to your code, it s true, and if you omit the parameter, it s false Here s an example:
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choose from list {"Madrid", "Paris", "San Francisco"} with multiple selections allowed
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Normally, the OK button in the choose from list dialog box is disabled until the user selects an item This prevents the user from clicking the OK button without making a selection; if they want to dismiss the dialog box without making a selection, they must click the Cancel button (and generate a false value) When you allow multiple selections like this, the choose from list command returns a list of items as usual You can retrieve the items by specifying their position in the list (item 1 of result, item 2 of result, and so on) Don t coerce them to a string, or AppleScript simply smashes them together (for example, MadridSan Francisco) You may sometimes need to allow the user to select no items and click the OK button anyway, as in the choose from list dialog box shown in Figure 8-19 To do so, add the with empty selection allowed parameter like this:
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choose from list {"Fruitarian", "Vegetarian", "Ovo-Vegetarian", "Ovo-Lacto Vegetarian", "Pesco-Ovo-Lacto Vegetarian", "Pullo-Pesco-Ovo-Lacto-Vegetarian", "Vegan", "Kosher"} with prompt "Choose a dietary preference (leave blank for none):" with title "Menu Selection" with empty selection allowed
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Figure 8-19 Sometimes you may need to allow the user to click the OK button in a choose from list dialog box without making a selection
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Creating a Choose From List Dialog Box
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In this example, you will create the Choose From List dialog box shown in Figure 8-20 and display the user s choice in a dialog box
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1 Start a choose from list command:
choose from list
2 Add the list of items, as shown in boldface here:
choose from list {"Mendocino", "Big Sur", "Las Vegas", "Cancun", "Tijuana"}
3 Set a default item in the list, as shown in boldface here:
choose from list {"Mendocino", "Big Sur", "Las Vegas", "Cancun", "Tijuana"} default items {"Mendocino"}
Figure 8-20 The Choose From List dialog box you create in this example
8:
Using Dialog Boxes to Get User Input
4 Add a title and a prompt, as shown in boldface here:
choose from list {"Mendocino", "Big Sur", "Las Vegas", "Cancun", "Tijuana"} default items {"Mendocino"} with title "Holiday Destination" with prompt "Choose your destination:"
5 Now put the whole command in parentheses and add as string to coerce the result to a
string, as shown in boldface here:
(choose from list {"Mendocino", "Big Sur", "Las Vegas", "Cancun", "Tijuana"} default items {"Mendocino"} with title "Holiday Destination" with prompt "Choose your destination:") as string
6 Add a display dialog command at the beginning with the first part of a prompt, add
the result of the choose from list command, and then a period at the end, as shown in boldface here:
display dialog ("You chose " & (choose from list {"Mendocino", "Big Sur", "Las Vegas", "Cancun", "Tijuana"} default items {"Mendocino"} with title "Holiday Destination" with prompt "Choose your destination:") as string) & ""
7 Press z-R or click the Run button on the toolbar to run the script When the Holiday
Destination dialog box appears, click one of the items, and then click the OK button The script then displays your choice in a dialog box
8 Save the script under a name of your choice
Letting the User Choose Files, Folders, Applications, and URLs
AppleScript includes commands for displaying a dialog box so that the user can quickly choose a file, a folder, an application, or a URL This section shows you how to use these commands in your scripts
NOTE
You can use the choose file command, choose folder command, choose application command, and choose URL command either inside a tell block or outside one These commands are part of AppleScript s Standard Additions
AppleScript: A Beginner s Guide
Letting the User Choose a File
Often, you ll need to let the user choose a file for example, to tell your script exactly which document to slice, dice, or spice To do so, use the choose file command On its own, the choose file command displays the Choose A File dialog box shown in Figure 8-21 The dialog box opens to the current working directory (which may be helpful or otherwise) and shows every single file in it, including invisible ones The user can navigate to any other folder in the file system, pick any file they want, and then click the Choose button to tell the script that this is the file he or she wants to open
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