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custom colorpicker packing error. Stack for UTA. in 4.21

.h #include "CoreMinimal.h" #include "Components/NativeWidgetHost.h" #include "ColorPickerTest.generated.h"

 class SColorPicker;
 
 DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FColorPickerColorChangedDelegate, const FLinearColor&, new_color);
 
 UCLASS()
 class MULTIUSERVIEWER2_API UColorPickerTest : public UNativeWidgetHost
 {
     GENERATED_BODY()
     
 public:
     UColorPickerTest(const FObjectInitializer& ObjectInitializer);
 
     UFUNCTION(BlueprintCallable, Category = "custom_UMG")
         void SetInitialColor(const FLinearColor initial_color);
 
     UPROPERTY(EditAnywhere, BlueprintReadWrite)
         FLinearColor selected_color_rgb_;
 
     UPROPERTY(BlueprintAssignable, Category = "custom_UMG")
         FColorPickerColorChangedDelegate ColorPickerColorChangedDelegate;
 
 private:
     TSharedPtr<SColorPicker> color_picker_;
 
     void GenerateColorPicker(const FLinearColor& initial_color);
 };



.cpp #include "ColorPickerTest.h"

 #include "Runtime/AppFramework/Public/Widgets/Colors/SColorPicker.h"
 #include "Kismet/KismetMathLibrary.h"
 
 UColorPickerTest::UColorPickerTest(const FObjectInitializer& ObjectInitializer) : UNativeWidgetHost(ObjectInitializer), selected_color_rgb_(FLinearColor::White) 
 {
     GenerateColorPicker(selected_color_rgb_);
 }
 
 void UColorPickerTest::SetInitialColor(const FLinearColor initial_color) 
 {
     GenerateColorPicker(initial_color);
     //color_picker_->SetColorRGB(initial_color);
 }
 
 void UColorPickerTest::GenerateColorPicker(const FLinearColor& initial_color)
 {
     Super::ReleaseSlateResources(/*bReleaseChildren = */true);
     if (color_picker_.IsValid()) 
     {
         color_picker_.Reset();
     }
 
     selected_color_rgb_ = initial_color;
     SAssignNew(color_picker_, SColorPicker)
         .TargetColorAttribute(selected_color_rgb_)
         .OnColorCommitted_Lambda([this](FLinearColor changed_color)
     {
         selected_color_rgb_ = changed_color;
         if (ColorPickerColorChangedDelegate.IsBound())
         {
             ColorPickerColorChangedDelegate.Broadcast(changed_color);
         }
     })
         .ExpandAdvancedSection(true)
         .UseAlpha(false)
         .sRGBOverride(true);
 
     SetContent(color_picker_.ToSharedRef());
 }
 

packing error: Stack for UTA.

Product Version: UE 4.21
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asked Mar 01 '19 at 08:44 AM in C++ Programming

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Seven莎温
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