public void Execute(object parameter)
{
System.Diagnostics.Debug.Assert(parameter != null);
OpenFileDialog fileNavigator = new OpenFileDialog();
fileNavigator.Filter = "*.jpg;*.dib;*.bmp;*.jpeg;*.jpe;*.jfif;*.gif;*.tif;*.tiff;*.png;*.wmv;*.mpg;*.mp4|*.jpg;*.dib;*.bmp;*.jpeg;*.jpe;*.jfif;*.gif;*.tif;*.tiff;*.png;*.wmv;*.mpg;*.mp4";
if (fileNavigator.ShowDialog() == true)
{
if (parameter is MediaElement)
{
// ((MediaElement)parameter).Source = new Uri(fileNavigator.FileName);
MediaElement media = parameter as MediaElement;
if (media.DataContext is ContentViewItem)
{
ContentViewItem cv = (ContentViewItem)media.DataContext;
cv.Content = fileNavigator.FileName;
}
}
else if (parameter is BitmapImage)
{
((Image)parameter).Source = new BitmapImage(new Uri(fileNavigator.FileName));
}
}
}
public override DataTemplate SelectTemplate(object item, DependencyObject container)
{
ContentViewItem cv = item as ContentViewItem;
if (cv != null)
{
FrameworkElement fe = container as FrameworkElement;
if (fe != null)
{
DataTemplate dt = fe.FindResource(cv.TemplateKey) as DataTemplate;
if (dt != null)
{
return(dt);
}
}
}
return(base.SelectTemplate(item, container));
}