| public WriteDateTime ( DateTimeOffset value ) : void | ||
| value | DateTimeOffset | |
| return | void | |
private async void OnWrite(Object sender, RoutedEventArgs e)
{
// 获取本地目录的引用
StorageFolder local = ApplicationData.Current.LocalFolder;
// 创建新文件
StorageFile newFIle = await local.CreateFileAsync("demo.dat", CreationCollisionOption.ReplaceExisting);
// 打开文件流
using(IRandomAccessStream stream = await newFIle.OpenAsync(FileAccessMode.ReadWrite))
{
// 实例化 DataWriter
DataWriter dw = new DataWriter(stream);
// 设置默认编码格式
dw.UnicodeEncoding = UnicodeEncoding.Utf8;
// 写入 bool 值
dw.WriteBoolean(true);
// 写入日期值
DateTime dt = new DateTime(2010, 8, 21);
dw.WriteDateTime(dt);
// 写入字符串
string str = "测试文本";
// 计算字符串长度
uint len = dw.MeasureString(str);
// 先写入字符串的长的
dw.WriteUInt32(len);
// 再写入字符串
dw.WriteString(str);
// 以下方法必须调用
await dw.StoreAsync();
// 解除 DataWriter 与流的关联
dw.DetachStream();
dw.Dispose();
}
MessageDialog msgDlg = new MessageDialog("保存成功。");
await msgDlg.ShowAsync();
}
public void Write(DataWriter writer)
{
writer.WriteInt32((int)t);
writer.WriteDateTime(time);
writer.WriteInt64(cc);
writer.WriteInt64(asdf);
writer.WriteInt64(peak);
writer.WriteUInt64(max0);
writer.WriteUInt64(max1);
writer.WriteUInt64(ave0);
writer.WriteUInt64(ave1);
writer.WriteUInt64(ave);
writer.WriteUInt64(beat);
writer.WriteUInt64(noAudio);
writer.WriteUInt64(audio);
}
