Benefits of dialog boxes
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The graphical control element dialog box (also called dialogue box (British English)[1] or just dialog) is a small window that communicates information to the user and prompts them for a response.
Dialog boxes are classified as "modal" or "modeless", depending on whether they block interaction with the software that initiated the dialog. The type of dialog box displayed is dependent upon the desired user interaction.
The simplest type of dialog box is the alert, which displays a message and may require an acknowledgment that the message has been read, usually by clicking "OK", or a decision as to whether or not an action should proceed, by clicking "OK" or "Cancel". Alerts are also used to display a "termination notice"—sometimes requesting confirmation that the notice has been read—in the event of either an intentional closing or unintentional closing ("crash") of an application or the operating system. (E.g., "Gedithas encountered an error and must close.") Although this is a frequent interaction patternfor modal dialogs, it is also criticized by usabilityexperts as being ineffective for its intended use, which is to protect against errors caused by destructive actions,[2] and for which better alternatives exist.[3]
Dialog boxes are classified as "modal" or "modeless", depending on whether they block interaction with the software that initiated the dialog. The type of dialog box displayed is dependent upon the desired user interaction.
The simplest type of dialog box is the alert, which displays a message and may require an acknowledgment that the message has been read, usually by clicking "OK", or a decision as to whether or not an action should proceed, by clicking "OK" or "Cancel". Alerts are also used to display a "termination notice"—sometimes requesting confirmation that the notice has been read—in the event of either an intentional closing or unintentional closing ("crash") of an application or the operating system. (E.g., "Gedithas encountered an error and must close.") Although this is a frequent interaction patternfor modal dialogs, it is also criticized by usabilityexperts as being ineffective for its intended use, which is to protect against errors caused by destructive actions,[2] and for which better alternatives exist.[3]
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