//保存照片
public void SaveImage()
{
DefaultCaputerSource dcs = Application.Current.Resources[DefaultCaputerName] as DefaultCaputerSource;
if (dcs.CutImage != null)
{
IsBusy = true;
if (tempid == null)
{
tempid = System.Guid.NewGuid().ToString();
}
byte[] by = Convert.FromBase64String(GetBase64Image(dcs.CutImage));
Stream sr = new MemoryStream(by);
WebClient webclient = new WebClient();
Uri uri = new Uri(Path + "?FileName=" + FileName + "&BlobId=" + tempid + "&EntityName=" + EntityName);
webclient.OpenWriteCompleted += new OpenWriteCompletedEventHandler(webclient_OpenWriteCompleted);
webclient.Headers["Content-Type"] = "multipart/form-data";
webclient.OpenWriteAsync(uri, "POST", sr);
webclient.WriteStreamClosed += new WriteStreamClosedEventHandler(webclient_WriteStreamClosed);
}
else
{
MessageBox.Show("请拍照！");
}
}
private static void OnIsInitChanged(DependencyObject dp, DependencyPropertyChangedEventArgs args)
{
DefaultCaputerObject go = (DefaultCaputerObject)dp;
//如果指明Path改变时，不加载数据，则只有当外界要求，加载数据时，才加载
if (go.IsInit)
{
go.tempid = null;
go.BlobId = null;
DefaultCaputerSource dcs = Application.Current.Resources[go.DefaultCaputerName] as DefaultCaputerSource;
dcs.CutImage = null;
}
}
//执行拍照
public void CaptureImageAnsync()
{
DefaultCaputerSource dcs = Application.Current.Resources[DefaultCaputerName] as DefaultCaputerSource;
dcs.Video.CaptureImageAsync();
}