TSharedPtr<IPropertyHandle> of type FLinearColor will not SetValue correctly

Development Programming & Scripting
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1

I’m doing something wrong but I can’t figure it out.

TSharedPtr<IPropertyHandle> ColorProperty;

void FColorHandler::OnColorCommitted(FLinearColor LinearColor)
{
	UE_LOG(LogTemp, Warning, TEXT("%s"), *FString("Color committed:" + LinearColor.ToString()));
	FVector4 OutColor = FVector4(LinearColor);
	UE_LOG(LogTemp, Warning, TEXT("%s"), *FString("Color to Vector: " + OutColor.ToString()));
	//ColorProperty->SetValue(OutColor)
	ColorProperty->SetValue(LinearColor);
	FVector4 CheckValue;
	ColorProperty->GetValue(CheckValue);
	UE_LOG(LogTemp, Warning, TEXT("%s"), *FString("Resulting value: " + CheckValue.ToString()))
}

I’ve tried setting the color as a FLinearColor and FVector4, both report the correct value before the SetValue operation, but return <0,0,0,1> after the SetValue.

Warning LogTemp Color committed (R=1.000000,G=0.000000,B=0.000000,A=0.000000)
Warning LogTemp Color to Vector: X=1.000 Y=0.000 Z=0.000 W=0.000
Warning LogTemp Resulting value: X=0.000 Y=0.000 Z=0.000 W=1.000
2

I also tried setting the child properties:

	TSharedPtr<IPropertyHandle> RH = ColorProperty->GetChildHandle(GET_MEMBER_NAME_CHECKED(FLinearColor, R));
	TSharedPtr<IPropertyHandle> GH = ColorProperty->GetChildHandle(GET_MEMBER_NAME_CHECKED(FLinearColor, G));
	TSharedPtr<IPropertyHandle> BH = ColorProperty->GetChildHandle(GET_MEMBER_NAME_CHECKED(FLinearColor, B));
	TSharedPtr<IPropertyHandle> AH = ColorProperty->GetChildHandle(GET_MEMBER_NAME_CHECKED(FLinearColor, A));

	check (RH.IsValid() && RH->IsValidHandle() && GH.IsValid() && GH->IsValidHandle() &&
		BH.IsValid() && BH->IsValidHandle() && AH.IsValid() && AH->IsValidHandle())
		
	RH->SetValue(LinearColor.R);
	GH->SetValue(LinearColor.G);
	BH->SetValue(LinearColor.B);
	AH->SetValue(LinearColor.A);

	FVector4 CheckValue;
	ColorProperty->GetValue(CheckValue);

	UE_LOG(LogTemp, Warning, TEXT("%s"), *FString("New color: " + CheckValue.ToString()));

Still returns that the resulting value is <0,0,0,1>

3

It’s occurred to me that because FLinearColor is a struct, when I attempt to SetValue I may be setting a copy? I’m not sure how to test/fix that though.