DialogService.ShowDialog<T> method (1 of 2)¶

public DialogResult ShowDialog<T>(T viewModel, string? caption)
    where T : IDialogAwareViewModel

DialogService.ShowDialog<T> method (2 of 2)¶

Shows a modal dialog on top of the specified window. When no owner is given, the active application window is used.

public DialogResult ShowDialog<T>(T viewModel, string? caption, Window? owner)
    where T : IDialogAwareViewModel

parameter	description
T	The type of the view model that drives the dialog.
viewModel	The view model to display. It supplies the dialog content and buttons, and stays attached to the window until the dialog closes.
caption	The window caption. When `null`, the caption is taken from Title.
owner	The window the dialog is shown on top of. When `null`, the active application window is used.

The button the dialog was closed with, or None if the user dismissed it through the window caption button.

exception	condition
ArgumentNullException	viewModel is `null`.