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error 404 answer | revDocs | RunRev
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answer [iconType] prompt [with button1 [or buttons]] [titled windowTitle] [as sheet]

Platform Support
MacOS,Mac OS X,Windows,Linux
None required
Displays a dialog box with a message and up to seven buttons.

answer "Go ahead?" with "Yes" or "No" or "Maybe"
answer information filesProcessed && "files were exported."
answer "Greetings!" with "Log In" or "Cancel" titled "Login"
answer the currPrompt of me with "OK" or "Cancel" as sheet

Additional Comments
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Use the answer command to get information or a confirmation from the user before continuing. The user must click one of the buttons to dismiss the dialog box.


The iconType parameter is one of the following types: information, question, error, or warning. The icon is displayed on the left side of the dialog box. If you don't specify an icon, none is displayed.

Cross-platform note: On OS X systems, there is no image for the question icon. Therefore, the information icon appears instead. In addition, the image specified by the gRevAppIcon keyword appears if you don't specify an iconType. If you specify an iconType, the image specified by the gRevSmallAppIcon keyword appears instead, along with the standard icon specified by the iconType.

Cross-platform note: The order in which the the buttons on the answer dialog appear is platform-dependent. On Windows and Unix systems, the default button is on the left. On Mac OS and OS X systems, to confirm with Apple human interaction guidelines, the default button is always on the right.

The prompt is a string (or any expression that evaluates to a string). The dialog box expands if necessary to fit the contents.

The buttons are strings. You can specify up to seven buttons, separated by the word "or". The buttons and the dialog box expand if necessary to fit the button names; the total number of characters in the buttons is limited only by the maximum dialog box size and the font size. The last button you specify is the default button. (Pressing Return or Enter is equivalent to clicking the default button.) If you don't specify any button names, the dialog box contains a single OK button.

The windowTitle, if specified, appears in the title bar of the dialog box. If you don't specify a windowTitle, the title bar is blank.


The prompt can be either formatted text (in the htmlText property's format) or plain text. If the prompt contains <p> or a start/end tag pair, the answer command assumes the text is in the same format as the htmlText property. Otherwise, the answer command assumes the text is plain text.

The name of the button the user chooses is placed in the it variable.

The position and appearance of the dialog box varies between platforms. On Mac OS systems, the dialog box is centered on the screen; on Unix and Windows systems, the dialog box is centered over the active window. On Windows systems, the buttons are shown in reverse order (the first button is on the right side).

On OS X systems, the image specified in the gRevAppIcon variable appears as the application icon in the answer dialog box (unless the sheet form is used). If you specify an iconType, the image specified in the gRevSmallAppIcon variable is used instead, along with the special icon specified by the iconType.

If the as sheet form is used, the dialog box appears as a sheet on OS X systems. On other systems, the as sheet form has no effect and the dialog box appears normally. Attempting to open a sheet from within another sheet displays the second stack as a modal dialog box instead.

Changes to Revolution:

The sheet form was introduced in version 2.0.

The ability to provide formatted text for the prompt was introduced in version 2.0.

User Comments
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