[Overview][Constants][Classes][Procedures and functions][Index] | Reference for unit 'ExtDlgs' (#lcl)

# Reference for unit 'ExtDlgs': Classes

`TCalculatorDialog` |  | Implements a pop-up calculator dialog used to perform simple calculations and return the value.
`TCalendarDialog` |  | TCalendarDialog - a popup calendar dialog that allows a date to be selected and returned to the main program.
`TExtCommonDialog` |  | The common base class for custom drawn dialogs (Calculator and Calendar).
`TOpenPictureDialog` |  | TOpenPictureDialog - a preview dialog that shows a preview of a picture before opening the file.
`TPreviewFileControl` |  | TPreviewFileControl - a windowed control allowing the contents of a file to be previewed before opening.
`TPreviewFileDialog` |  | TPreviewFileDialog - a dialog that allows the contents of a file to be inspected before opening the file.
`TSavePictureDialog` |  | TSavePictureDialog - a dialog for saving the picture in the current buffer to a file.