public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
var userName = value as string;
Debug.Assert(userName != null, "userName != null");
var iconBytes = userName.Contains("@@")
? WXLogin.WXService.Instance.GetHeadImg(userName)
: WXLogin.WXService.Instance.GetIcon(userName);
return(InternalHelp.ConvertByteToBitmapImage(iconBytes));
}
private void UpdateImage(object sender, NotifyCollectionChangedEventArgs e)
{
foreach (WXUserViewModel item in e.NewItems)
{
Task.Run(() =>
{
var iconBytes = item.UserName.Contains("@@")
? WXLogin.WXService.Instance.GetHeadImg(item.UserName)
: WXLogin.WXService.Instance.GetIcon(item.UserName);
item.BitMapImage = InternalHelp.ConvertByteToBitmapImage(iconBytes);
});
}
}
private async Task <bool> InitLoginAsync()
{
this.loginLable.Content = "get the wechat code...";
await Task.Run(() =>
{
// start login
var ls = new LoginService();
if (ls.LoginCheck() == null)
{
this.Dispatcher.BeginInvoke(new Action(() =>
{
this.codeImage.Source = InternalHelp.ConvertByteToBitmapImage(ls.GetQRCode());
this.loginLable.Content = "please scan the code";
}));
}
// if the user scan and click login button
while (true)
{
var loginResult = ls.LoginCheck();
if (loginResult is byte[])
{
this.Dispatcher.BeginInvoke(new Action(() =>
{
this.codeImage.Source = InternalHelp.ConvertByteToBitmapImage(loginResult as byte[]);
this.loginLable.Content = "please click login button in you phone!";
}));
}
else if (loginResult is string)
{
if (ls.GetSidUid(loginResult as string))
{
break;
}
MessageBox.Show("当前环境存在异常！登录失败！");
Environment.Exit(0);
}
}
});
_wxSerivice = WXService.Instance;
return(_wxSerivice != null);
}