Guidelines for accessing OneDrive from an app

https://msdn.microsoft.com/en-us/library/windows/apps/dn263258.aspx

Signing users in to OneDrive (Windows Runtime apps using C#/VB and XAML):https://msdn.microsoft.com/en-us/library/office/dn631823.aspx

拷贝文本到系统黏贴区：

DataPackage dataP = new DataPackage();

dataP.SetText(selText);

Windows.ApplicationModel.DataTransfer.Clipboard.SetContent(dataP);