修改了一些Xaml, 始终提示

Compiler error(s) encountered processing expression "deviceA.B".
Type 'DeviceA' is not defined.

查看错误信息指向的 Line，并没有发现异常。

和编译成功的Xaml比较后发现需要添加Refence.

修改前：

<mmtas:UsingSequencesap2010:WorkflowViewState.IdRef="UsingSequence_1">

修改后：

<mmtas:UsingSequencesap2010:WorkflowViewState.IdRef="UsingSequence_1"

mva:VisualBasic.Settings="Assembly references and imported namespaces serialized as XML namespaces">