public SettingPage()
{
this.InitializeComponent();
this.navigationHelper = new NavigationHelper(this);
this.navigationHelper.LoadState += navigationHelper_LoadState;
Messenger.Default.Register <string>(this, "ChangeUIBrushImage", async str =>
{
FileOpenPicker openPicker = new FileOpenPicker();
openPicker.ViewMode = PickerViewMode.Thumbnail;
openPicker.SuggestedStartLocation = PickerLocationId.PicturesLibrary;
openPicker.FileTypeFilter.Add(".jpg");
openPicker.FileTypeFilter.Add(".jpeg");
openPicker.FileTypeFilter.Add(".png");
StorageFile file = await openPicker.PickSingleFileAsync();
if (file != null)
{
var stream = await file.OpenAsync(FileAccessMode.Read);
var size = stream.Size;
byte[] bytes = new byte[size];
var reader = new DataReader(stream.GetInputStreamAt(0));
await reader.LoadAsync((uint)size);
reader.ReadBytes(bytes);
var uiBrush = new UIBrush();
uiBrush.IsImageEnable = true;
uiBrush.UIImage = bytes;
if (str == "MainBackground")
{
viewModel.Setting.AppTheme.MainBackground = uiBrush;
}
if (str == "BottomTweetBarBackground")
{
viewModel.Setting.AppTheme.BottomTweetBarBackground = uiBrush;
}
if (str == "BottomAppBarBackground")
{
viewModel.Setting.AppTheme.BottomAppBarBackground = uiBrush;
}
if (str == "TopAppBarBackground")
{
viewModel.Setting.AppTheme.TopAppBarBackground = uiBrush;
}
if (str == "SettingsFlyoutBackground")
{
viewModel.Setting.AppTheme.SettingsFlyoutBackground = uiBrush;
}
}
});
}
public object ConvertBack(object value, Type targetType, object parameter, string language)
{
if (value != null)
{
var c = value as SolidColorBrush;
UIBrush brush = new UIBrush();
brush.IsImageEnable = false;
brush.UIColor = c.Color;
return(brush);
}
else
{
return(new UIBrush());
}
}
