Data Pass Between viewmodel to xaml.cs

Question

Hi,

 

I am using MessageMedieter Jul Mar library to send message with Data from ViewModel to xaml. When i call SendMessage from view model Medietertarget  called twice.

 

SendMessage(Constants.Messages.HideBioMetricGif);

 

MessageMediater[Constants.Messages.HideBioMetricGif] -- called twice.

 

Kindly help.