RequestWindowsPIN

you can verify your users by requesting windows pin

bool result = await CredentialHelper.RequestWindowsPIN("Please Enter your OS Pin so we can verify its you!");

PickCredential

Get username and password with Windows Credential Picker

CredentialPickerResults result = await CredentialHelper.PickCredential("Caption", "Message");
var password = result.CredentialPassword;
var username = result.CredentialUserName;

AddPasswordCredential

Add password to Windows Credential

CredentialHelper.AddPasswordCredential("myResource", "username", "password");

GetPasswordCredential

Get password from Windows Credential

PasswordCredential result = CredentialHelper.GetPasswordCredential("myResource", "username");
var username = result.UserName;
var password = result.Password;

RemovePasswordCredential

Remove password from Windows Credential

CredentialHelper.RemovePasswordCredential("myResource", "username");

Demo

you can run demo and see this feature.