void AddGeneratedArgument(Type argumentType, ArgumentDirection direction, ActivityWithResult expression)
{
Argument argument = ActivityUtilities.CreateArgument(argumentType, direction);
argument.Expression = expression;
RuntimeArgument runtimeArgument = this.metadata.CurrentActivity.AddTempAutoGeneratedArgument(argumentType, direction);
Argument.TryBind(argument, runtimeArgument, this.metadata.CurrentActivity);
}
private void CreateArgument(LocationReference sourceReference)
{
RuntimeArgument argument = new RuntimeArgument(NameGenerator.Next(), sourceReference.Type, ArgumentDirection.In);
Argument binding = ActivityUtilities.CreateArgument(sourceReference.Type, ArgumentDirection.In);
binding.Expression = ActivityUtilities.CreateLocationReferenceValue(sourceReference);
this.Bind(binding, argument);
this.activity.AddTempAutoGeneratedArgument(argument);
}
public static Argument Create(Type type, ArgumentDirection direction)
{
return(ActivityUtilities.CreateArgument(type, direction));
}
internal void SetupBinding(Activity owningElement, bool createEmptyBinding)
{
if (this.bindingProperty != null)
{
Argument argument = (Argument)this.bindingProperty.GetValue(this.bindingPropertyOwner);
if (argument == null)
{
Fx.Assert(this.bindingProperty.PropertyType.IsGenericType, "We only support arguments that are generic types in our reflection walk.");
argument = (Argument)Activator.CreateInstance(this.bindingProperty.PropertyType);
argument.WasDesignTimeNull = true;
if (createEmptyBinding && !this.bindingProperty.IsReadOnly)
{
this.bindingProperty.SetValue(this.bindingPropertyOwner, argument);
}
}
Argument.Bind(argument, this);
}
else if (!this.IsBound)
{
PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(owningElement);
PropertyDescriptor targetProperty = null;
for (int i = 0; i < properties.Count; i++)
{
PropertyDescriptor property = properties[i];
// We only support auto-setting the property
// for generic types. Otherwise we have no
// guarantee that the argument returned by the
// property still matches the runtime argument's
// type.
if (property.Name == this.Name && property.PropertyType.IsGenericType)
{
if (ActivityUtilities.TryGetArgumentDirectionAndType(property.PropertyType, out ArgumentDirection direction, out Type argumentType))
{
if (this.Type == argumentType && this.Direction == direction)
{
targetProperty = property;
break;
}
}
}
}
Argument argument = null;
if (targetProperty != null)
{
argument = (Argument)targetProperty.GetValue(owningElement);
}
if (argument == null)
{
if (targetProperty != null)
{
if (targetProperty.PropertyType.IsGenericType)
{
argument = (Argument)Activator.CreateInstance(targetProperty.PropertyType);
}
else
{
argument = ActivityUtilities.CreateArgument(this.Type, this.Direction);
}
}
else
{
argument = ActivityUtilities.CreateArgument(this.Type, this.Direction);
}
argument.WasDesignTimeNull = true;
if (targetProperty != null && createEmptyBinding && !targetProperty.IsReadOnly)
{
targetProperty.SetValue(owningElement, argument);
}
}
Argument.Bind(argument, this);
}
Fx.Assert(this.IsBound, "We should always be bound when exiting this method.");
}
internal void SetupBinding(Activity owningElement, bool createEmptyBinding)
{
if (this.bindingProperty != null)
{
Argument argument = (Argument)this.bindingProperty.GetValue(this.bindingPropertyOwner);
if (argument == null)
{
argument = (Argument)Activator.CreateInstance(this.bindingProperty.PropertyType);
argument.WasDesignTimeNull = true;
if (createEmptyBinding && !this.bindingProperty.IsReadOnly)
{
this.bindingProperty.SetValue(this.bindingPropertyOwner, argument);
}
}
Argument.Bind(argument, this);
}
else if (!this.IsBound)
{
PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(owningElement);
PropertyDescriptor descriptor = null;
for (int i = 0; i < properties.Count; i++)
{
ArgumentDirection direction;
Type type;
PropertyDescriptor descriptor2 = properties[i];
if ((((descriptor2.Name == base.Name) && descriptor2.PropertyType.IsGenericType) && (ActivityUtilities.TryGetArgumentDirectionAndType(descriptor2.PropertyType, out direction, out type) && (base.Type == type))) && (this.Direction == direction))
{
descriptor = descriptor2;
break;
}
}
Argument argument2 = null;
if (descriptor != null)
{
argument2 = (Argument)descriptor.GetValue(owningElement);
}
if (argument2 == null)
{
if (descriptor != null)
{
if (descriptor.PropertyType.IsGenericType)
{
argument2 = (Argument)Activator.CreateInstance(descriptor.PropertyType);
}
else
{
argument2 = ActivityUtilities.CreateArgument(base.Type, this.Direction);
}
}
else
{
argument2 = ActivityUtilities.CreateArgument(base.Type, this.Direction);
}
argument2.WasDesignTimeNull = true;
if (((descriptor != null) && createEmptyBinding) && !descriptor.IsReadOnly)
{
descriptor.SetValue(owningElement, argument2);
}
}
Argument.Bind(argument2, this);
}
}
