The following code example will generate category rows with nullptr assigned to OnPasteFromTextDelegate which causes a crash if the user tries to paste onto a row.
Once you have this code create the "CopyPasteExample" component on an actor, assign Foo to UCopyPasteCrash. This will create two category rows: UCopyPasteCrashBase and UCopyPasteCrash. If you try to paste into either of these you will crash.
#pragma once #include "CopyPasteCrashExample.generated.h" UCLASS(Abstract, EditInlineNew) class UCopyPasteCrashBase : public UObject { GENERATED_BODY() public: UPROPERTY(EditAnywhere) int32 A; }; UCLASS() class UCopyPasteCrash : public UCopyPasteCrashBase { GENERATED_BODY() public: UPROPERTY(EditAnywhere) int32 B; }; UCLASS(meta = (BlueprintSpawnableComponent)) class UCopyPasteCrashExample : public USceneComponent { GENERATED_BODY() public: UPROPERTY(EditAnywhere, BlueprintReadWrite, Instanced) TObjectPtr<UCopyPasteCrashBase> Foo; };
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There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-228826 in the post.
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Component | UE - Editor - Workflow Systems |
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Affects Versions | 5.3 |
Created | Oct 25, 2024 |
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Updated | Nov 20, 2024 |