ModalDialogBase.cs

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// Copyright (c) 2014 Silicon Studio Corp. (http://siliconstudio.co.jp)
// This file is distributed under GPL v3. See LICENSE.md for details.
using System.Windows;
using System.Windows.Threading;
using Microsoft.WindowsAPICodePack.Dialogs;
using SiliconStudio.Presentation.Services;

namespace SiliconStudio.Presentation.Dialogs
{
    public abstract class ModalDialogBase : IModalDialog
    {
        private readonly Dispatcher dispatcher;
        private readonly Window parentWindow;
        protected CommonFileDialog Dialog;

        protected ModalDialogBase(Dispatcher dispatcher, Window parentWindow)
        {
            this.dispatcher = dispatcher;
            this.parentWindow = parentWindow;
        }

        /// <inheritdoc/>
        public object DataContext { get; set; }

        protected DialogResult InvokeDialog()
        {
            if (dispatcher.CheckAccess())
            {
                return (DialogResult)Dialog.ShowDialog(parentWindow);
            }
            return dispatcher.Invoke(() => (DialogResult)Dialog.ShowDialog(parentWindow));
        }

        public abstract DialogResult Show();
    }
}