private async void MyLoadButton_Click(object sender, RoutedEventArgs e)
{
//
List <StorageFile> files = await InteractiveTools.GetFiles();
if (files == null || files.Count == 0)
{
return;
}
//
myImageFiles = new List <StorageFile>();
foreach (StorageFile file in files)
{
string name = file.Name;
if (name.EndsWith(".png") || name.EndsWith(".jpg") || name.EndsWith(".gif"))
{
myImageFiles.Add(file);
}
}
//
ImageIndex = 0;
InteractiveTools.SetImage(MyImage, myImageFiles[ImageIndex]);
HasImages = true;
MyBackButton.IsEnabled = false;
if (myImageFiles.Count > 1)
{
MyNextButton.IsEnabled = true;
}
else
{
MyNextButton.IsEnabled = false;
}
}
private void MyNextButton_Click(object sender, RoutedEventArgs e)
{
if (!HasImages)
{
return;
}
InteractiveTools.SetImage(MyImage, myImageFiles[++ImageIndex]);
MyBackButton.IsEnabled = true;
if (ImageIndex >= myImageFiles.Count - 1)
{
MyNextButton.IsEnabled = false;
}
}