Latest C++ topics - Epic Developer Community Forums

Topic	Replies	Views	Activity
How to dynamically create a UImage and add it to a VerticalBox container?(runtime, c++) question , unreal-engine	6	122	September 24, 2025
Rendering difficulties during automation of metahuman identity using commendlet-run question , unreal-engine , metahuman	0	28	September 23, 2025
Display Cluster API in c++ UE4-26 , question , unreal-engine , ndisplay	3	1087	September 23, 2025
Why is my UNiagaraComponent null when using UNiagaraFunctionLibrary::SpawnSystemAttached question , unreal-engine	5	131	September 23, 2025
Understanding C++ input CPP , Input , unreal-engine , playercontroller , action-mappings	2	274	September 22, 2025
Debugging Gamepad Inputs on MacOS question , MAC , gamepad , controller , unreal-engine	10	2486	September 22, 2025
Confused about IsSystemAttribute() in GAS source code question , CPP , unreal-engine	0	45	September 22, 2025
Automating Material Creation in Unreal Engine using Specific Texture Sets question , unreal-engine , fab	1	113	September 22, 2025
Need Some Help Figuring Out the Mover 2.0 Plugin CPP , c-class-wizard , request , unreal-engine , c-custommeshcomponen , c-and-blueprint , c-custom-shape , c-cone-shape , c-programming , c-c , c-class , c-error , c-and-bluepri	1	225	September 22, 2025
Blackbox AI: Smarter Coding Assistance for Unreal Engine question , unreal-engine , unreal-editor-for-fortnite	0	164	September 22, 2025
I have root motion animation in my animation. yet the capsule doesn't move with animation even when "Enable Root motion" is checked. all seem good but the capsule is not moving when i click the enable root motion. help pls question , unreal-engine	0	42	September 21, 2025
Cannot build plugin module - LINK : fatal error LNK1181: cannot open input file '..\UE4Editor.lib' unreal-engine	16	10785	September 21, 2025
Change Default Actor Class used for Drag and Drop of Assets question , CPP , unreal-engine	3	713	September 21, 2025
Why is my FMassActorFragment always a nullptr ? question , CPP , unreal-engine	1	123	September 21, 2025
StateTree Schema how to set context question , CPP , unreal-engine	1	353	September 20, 2025
[BUG] Critical Error Array.h line 758 UE 5.4.3 and 5.4.4 question , CPP , packaging-projects , error , unreal-engine , critical-error	7	685	September 20, 2025
Access Violation error in BeginPlay, nullptr help? question , please-help-me , unreal-engine , nullptr , UE5	6	220	September 20, 2025
How to make the blueprint subclass that inherits from localplayersubsystem usable after packaging? Blueprint , question , CPP , unreal-engine	3	104	September 20, 2025
Could not find definition for module, need help! question , CPP , modules , unreal-engine	3	21689	September 19, 2025
Request for Access – Passionate Unreal Engine Learner Blueprint , question , CPP , bug-report , unreal-engine , unreal-editor-for-fortnite , fortnite-creative	0	43	September 19, 2025
Please help, PIE Crash when editing Open World maps question , editor , crash , bug-report , unreal-engine	17	243	September 19, 2025
AAVot AI – Smarter Workflow Assistance for Developers question , bug-report , unreal-engine	0	334	September 19, 2025
Shipping Problem unreal-engine	0	43	September 18, 2025
Unable to open source file "MaterialEditingLibrary.h" question , CPP , unreal-engine	0	30	September 18, 2025
Hi ！How can I call this FUNCTION？ Blueprint , question , CPP , unreal-engine	3	85	September 18, 2025
Leonardo AI Image Generator - Create Art, Images & Video question , bug-report , unreal-engine , unreal-editor-for-fortnite	0	485	September 18, 2025
Is there a way to know if you're initializing a world subsystem in game vs in the editor? question , unreal-engine	5	270	September 18, 2025
Dynamic creation of multiple trees question , unreal-engine	0	45	September 17, 2025
Not able to find c++ Enum class in blackboard key type dropdown question , CPP , unreal-engine	0	49	September 17, 2025
Bug report UE5.5 / 5.6 Call Function GetAsyncLoadPercentage(PackageName) ,The return value is incorrect(return -1) CPP , bug-report , unreal-engine , async	0	69	September 1, 2025

How to dynamically create a UImage and add it to a VerticalBox container?(runtime, c++)

question , unreal-engine

6

122

September 24, 2025

Rendering difficulties during automation of metahuman identity using commendlet-run

question , unreal-engine , metahuman

0

28

September 23, 2025

Display Cluster API in c++

UE4-26 , question , unreal-engine , ndisplay

3

1087

September 23, 2025

Why is my UNiagaraComponent null when using UNiagaraFunctionLibrary::SpawnSystemAttached

question , unreal-engine

5

131

September 23, 2025

Understanding C++ input

CPP , Input , unreal-engine , playercontroller , action-mappings

2

274

September 22, 2025

Debugging Gamepad Inputs on MacOS

question , MAC , gamepad , controller , unreal-engine

10

2486

September 22, 2025

Confused about IsSystemAttribute() in GAS source code

question , CPP , unreal-engine

0

45

September 22, 2025

Automating Material Creation in Unreal Engine using Specific Texture Sets

question , unreal-engine , fab

1

113

September 22, 2025

Need Some Help Figuring Out the Mover 2.0 Plugin

CPP , c-class-wizard , request , unreal-engine , c-custommeshcomponen , c-and-blueprint , c-custom-shape , c-cone-shape , c-programming , c-c , c-class , c-error , c-and-bluepri

1

225

September 22, 2025

Blackbox AI: Smarter Coding Assistance for Unreal Engine

question , unreal-engine , unreal-editor-for-fortnite

0

164

September 22, 2025

I have root motion animation in my animation. yet the capsule doesn't move with animation even when "Enable Root motion" is checked. all seem good but the capsule is not moving when i click the enable root motion. help pls

question , unreal-engine

0

42

September 21, 2025

Cannot build plugin module - LINK : fatal error LNK1181: cannot open input file '..\UE4Editor.lib'

unreal-engine

16

10785

September 21, 2025

Change Default Actor Class used for Drag and Drop of Assets

question , CPP , unreal-engine

3

713

September 21, 2025

Why is my FMassActorFragment always a nullptr ?

question , CPP , unreal-engine

1

123

September 21, 2025

StateTree Schema how to set context

question , CPP , unreal-engine

1

353

September 20, 2025

[BUG] Critical Error Array.h line 758 UE 5.4.3 and 5.4.4

question , CPP , packaging-projects , error , unreal-engine , critical-error

7

685

September 20, 2025

Access Violation error in BeginPlay, nullptr help?

question , please-help-me , unreal-engine , nullptr , UE5

6

220

September 20, 2025

How to make the blueprint subclass that inherits from localplayersubsystem usable after packaging?

Blueprint , question , CPP , unreal-engine

3

104

September 20, 2025

Could not find definition for module, need help!

question , CPP , modules , unreal-engine

3

21689

September 19, 2025

Request for Access – Passionate Unreal Engine Learner

Blueprint , question , CPP , bug-report , unreal-engine , unreal-editor-for-fortnite , fortnite-creative

0

43

September 19, 2025

Please help, PIE Crash when editing Open World maps

question , editor , crash , bug-report , unreal-engine

17

243

September 19, 2025

AAVot AI – Smarter Workflow Assistance for Developers

question , bug-report , unreal-engine

0

334

September 19, 2025

Shipping Problem

unreal-engine

0

43

September 18, 2025

Unable to open source file "MaterialEditingLibrary.h"

question , CPP , unreal-engine

0

30

September 18, 2025

Hi ！How can I call this FUNCTION？

Blueprint , question , CPP , unreal-engine

3

85

September 18, 2025

Leonardo AI Image Generator - Create Art, Images & Video

question , bug-report , unreal-engine , unreal-editor-for-fortnite

0

485

September 18, 2025

Is there a way to know if you're initializing a world subsystem in game vs in the editor?

question , unreal-engine

5

270

September 18, 2025

Dynamic creation of multiple trees

question , unreal-engine

0

45

September 17, 2025

Not able to find c++ Enum class in blackboard key type dropdown

question , CPP , unreal-engine

0

49

September 17, 2025

Bug report UE5.5 / 5.6 Call Function GetAsyncLoadPercentage(PackageName) ,The return value is incorrect(return -1)

CPP , bug-report , unreal-engine , async

0

69

September 1, 2025

Programming & Scripting C++