If this attribute is set, the dialog element is visible. You can use this attribute to hide dialog elements by setting it to FALSE, if, for example, a logical condition is fulfilled and displaying the dialog or dialog element does not make sense under this condition.

Applies to	ActiveX control, bitmap control, canvas control, column specification control, control box control, date/time picker control, dialog (window, MDI frame, MDI child), dialog bar control, edit area control, graphic text control, group frame control, input field control, list box control, list view column, list view control, line control, menu bar, OLE container control, progress bar control, push button control, radio button control, rectangle control, scroll bar control, selection box control, signal, slider control, spin control, submenu control, status bar control, status bar pane, tab control, tab control tab, table control, text constant control, tool bar control, toggle button control, tree view control, wallpaper control.
Data Type	BOOLEAN
Default Value	TRUE
Possible Values	TRUE / FALSE