public void AddParameter(UiaParameterDescription param)
{
if (PatternMethodParamDescriptions.Count > 0 && UiaTypesHelper.IsOutType(PatternMethodParamDescriptions.Last().UiaType) && UiaTypesHelper.IsInType(param.UiaType))
{
throw new ArgumentException("In param can't go after an out one. Please, ensure the correct order");
}
if (ProviderMethodInfo != null &&
param.Name != UiaTypesHelper.RetParamUnspeakableName &&
!_providerMethodInfoIndicies.ContainsKey(param.Name))
{
throw new ArgumentException("Provided provider's method info does not have argument with this name");
}
UIAutomationType type = param.UiaType;
var marshalledName = Marshal.StringToCoTaskMemUni(param.Name);
if (UiaTypesHelper.IsInType(type))
{
_inParamNames.Add(marshalledName);
_inParamTypes.Add(type);
}
else
{
_outParamNames.Add(marshalledName);
_outParamTypes.Add(type);
}
PatternMethodParamDescriptions.Add(param);
}
/// <summary>
/// Usable for general-purpose implementation that uses ISchemaMember.DispatchCallToProvider()
/// </summary>
/// <param name="getterFromProvider">Lambda for getting property value from pattern provider interface. It should be akin to
/// <code>(object p) => ((ISomePatternProvider)p).MyProperty</code>. Or, same thing,
/// <code>TypeMember<ISomePatternProvider>.GetPropertyGetter(p => p.MyProperty)</code>. For standalone properties
/// it can be null (it is used for pattern handler implementation only, which doesn't take part in getting standalone properties).</param>
public UiaPropertyInfoHelper(Guid propertyGuid, string programmaticName, UIAutomationType propertyType, Func <object, object> getterFromProvider)
{
_programmaticName = programmaticName;
_propertyGuid = propertyGuid;
_propertyType = propertyType;
_getterFromProvider = getterFromProvider;
}
/// <summary>
/// Usable for general-purpose implementation that uses ISchemaMember.DispatchCallToProvider()
/// </summary>
/// <param name="getterFromProvider">Lambda for getting property value from pattern provider interface. It should be akin to
/// <code>(object p) => ((ISomePatternProvider)p).MyProperty</code>. Or, same thing,
/// <code>TypeMember<ISomePatternProvider>.GetPropertyGetter(p => p.MyProperty)</code>. For standalone properties
/// it can be null (it is used for pattern handler implementation only, which doesn't take part in getting standalone properties).</param>
public UiaPropertyInfoHelper(Guid propertyGuid, string programmaticName, UIAutomationType propertyType, Func<object, object> getterFromProvider)
{
_programmaticName = programmaticName;
_propertyGuid = propertyGuid;
_propertyType = propertyType;
_getterFromProvider = getterFromProvider;
}
// Compute a CLR type from its UIA type
private Type ClrTypeFromUiaType(UIAutomationType uiaType)
{
// Mask off the out flag, which we don't care about.
uiaType = (UIAutomationType)((int)uiaType & (int)~UIAutomationType.UIAutomationType_Out);
switch (uiaType)
{
case UIAutomationType.UIAutomationType_Int:
return(typeof(int));
case UIAutomationType.UIAutomationType_Bool:
return(typeof(int)); // These are BOOL, not bool
case UIAutomationType.UIAutomationType_String:
return(typeof(string));
case UIAutomationType.UIAutomationType_Double:
return(typeof(double));
case UIAutomationType.UIAutomationType_Element:
return((_onClientSide) ? typeof(IUIAutomationElement) : typeof(IRawElementProviderSimple));
default:
throw new ArgumentException("Type not supported by UIAutomationType");
}
}
private void AssertPropertyInfo(string programmaticName, UIAutomationType uiaType, string guid, UiaPropertyInfoHelper propInfo)
{
var data = propInfo.Data;
Assert.AreEqual(programmaticName, data.pProgrammaticName);
Assert.AreEqual(uiaType, data.type);
Assert.AreEqual(new Guid(guid), data.guid);
}
public UiaParameterHelper(UIAutomationType type)
{
_uiaType = type;
_clrType = ClrTypeFromUiaType(type);
_marshalledData = Marshal.AllocCoTaskMem(GetSizeOfMarshalledData());
_ownsData = true;
// It is a safe assumption that if we are initialized without incoming data,
// we are on the client side. If this changes, we can make this an explicit parameter.
_onClientSide = true;
}
public UiaParameterHelper(UIAutomationType type)
{
_uiaType = type;
_clrType = ClrTypeFromUiaType(type);
_marshalledData = Marshal.AllocCoTaskMem(GetSizeOfMarshalledData());
_ownsData = true;
// It is a safe assumption that if we are initialized without incoming data,
// we are on the client side. If this changes, we can make this an explicit parameter.
_onClientSide = true;
}
public UiaParameterHelper(UIAutomationType type, IntPtr marshalledData)
{
_uiaType = type;
_clrType = ClrTypeFromUiaType(type);
_marshalledData = marshalledData;
_ownsData = false;
GC.SuppressFinalize(this);
// It is a safe assumption that if we are initialized with incoming data,
// we are on the provider side. If this changes, we can make this an explicit parameter.
_onClientSide = false;
}
public UiaParameterHelper(UIAutomationType type, IntPtr marshalledData)
{
_uiaType = type;
_clrType = ClrTypeFromUiaType(type);
_marshalledData = marshalledData;
_ownsData = false;
GC.SuppressFinalize(this);
// It is a safe assumption that if we are initialized with incoming data,
// we are on the provider side. If this changes, we can make this an explicit parameter.
_onClientSide = false;
}
public int RegisterCustomProperty(Guid id, string name, UIAutomationType type)
{
UIAutomationPropertyInfo info = new UIAutomationPropertyInfo
{
guid = id,
pProgrammaticName = name,
type = type,
};
_uiaRegistrar.RegisterProperty(ref info, out int dynamicId);
return dynamicId;
}
public void RegisterCustomProperty_SamePropertyTwise_ReturnsSameNonZeroValue()
{
using (Registrar r = new Registrar())
{
Guid id = Guid.NewGuid();
const string name = "My property name";
const UIAutomationType type = UIAutomationType.UIAutomationType_Bool;
int dynamicId1 = r.RegisterCustomProperty(id, name, type);
int dynamicId2 = r.RegisterCustomProperty(id, name, type);
Assert.AreNotEqual(0, dynamicId1);
Assert.AreEqual(dynamicId1, dynamicId2);
}
}
/// <summary>
/// Suitable for standalone properties that do not require handlers, hence no need to use ISchemaMember.DispatchCallToProvider() ever.
/// </summary>
public UiaPropertyInfoHelper(Guid propertyGuid, string programmaticName, UIAutomationType propertyType)
: this(propertyGuid, programmaticName, propertyType, null)
{
}
// Compute a CLR type from its UIA type
private Type ClrTypeFromUiaType(UIAutomationType uiaType)
{
// Mask off the out flag, which we don't care about.
uiaType = (UIAutomationType) ((int) uiaType & (int) ~UIAutomationType.UIAutomationType_Out);
switch (uiaType)
{
case UIAutomationType.UIAutomationType_Int:
return typeof (int);
case UIAutomationType.UIAutomationType_Bool:
return typeof (int); // These are BOOL, not bool
case UIAutomationType.UIAutomationType_String:
return typeof (string);
case UIAutomationType.UIAutomationType_Double:
return typeof (double);
case UIAutomationType.UIAutomationType_Element:
return (_onClientSide) ? typeof (IUIAutomationElement) : typeof (IRawElementProviderSimple);
default:
throw new ArgumentException("Type not supported by UIAutomationType");
}
}
public static bool IsInType(UIAutomationType type)
{
return(!IsOutType(type));
}
public static bool IsOutType(UIAutomationType type)
{
return((type & UIAutomationType.UIAutomationType_Out) != 0);
}
public UiaParameterDescription(string name, UIAutomationType type)
{
_name = name;
_uiaType = type;
}
public UiaParameterDescription(string name, UIAutomationType type)
{
_name = name;
_uiaType = type;
}
/// <summary>
/// Suitable for standalone properties that do not require handlers, hence no need to use ISchemaMember.DispatchCallToProvider() ever.
/// </summary>
public UiaPropertyInfoHelper(Guid propertyGuid, string programmaticName, UIAutomationType propertyType)
: this(propertyGuid, programmaticName, propertyType, null)
{
}
public static bool IsInType(UIAutomationType type)
{
return !IsOutType(type);
}
public static bool IsOutType(UIAutomationType type)
{
return (type & UIAutomationType.UIAutomationType_Out) != 0;
}
