Window(caption: String? = null, contentWidth: CssSize? = CssSize(0, UNIT.auto), contentHeight: CssSize? = CssSize(0, UNIT.auto), isResizable: Boolean = true, isDraggable: Boolean = true, closeButton: Boolean = false, classes: Set<String> = setOf(), init: Window.() -> Unit = null)
contentWidth - window content width
contentHeight - window content height
isResizable - determines if the window is resizable
isDraggable - determines if the window is draggable
closeButton - determines if Close button is visible
classes - a set of CSS class names
init - an initializer extension function
Constructor