Add new property, value pair and a PropertyExpressionOperator to property collection. If the property with same name already exists, then updates its value.
Namespace:  Microsoft.VisualStudio.TestTools.UITesting
Assembly:  Microsoft.VisualStudio.TestTools.WindowsStore.UITesting (in Microsoft.VisualStudio.TestTools.WindowsStore.UITesting.dll)
Syntax
'Declaration
Public Sub Add ( _
    propertyName As String, _
    propertyValue As String, _
    conditionOperator As PropertyExpressionOperator _
)
public void Add(
    string propertyName,
    string propertyValue,
    PropertyExpressionOperator conditionOperator
)
public:
void Add(
    String^ propertyName, 
    String^ propertyValue, 
    PropertyExpressionOperator conditionOperator
)
member Add : 
        propertyName:string * 
        propertyValue:string * 
        conditionOperator:PropertyExpressionOperator -> unit
public function Add(
    propertyName : String, 
    propertyValue : String, 
    conditionOperator : PropertyExpressionOperator
)
Parameters
propertyName
Type: StringThe name of the property.
propertyValue
Type: StringValue of the property.
conditionOperator
Type: Microsoft.VisualStudio.TestTools.UITesting.PropertyExpressionOperatorThe operator e.g. Contains.
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.