UMG C++ Load Widget

#include "MyGameInstance.h"

void UMyGameInstance::LoadMenu()
{
    //블루프린트에서 UMyGameInstance를 상속해 MenuClass에 값 설정
    UE_LOG(LogTemp, Warning, TEXT("LoadMenu..................."));
    if (MenuClass == nullptr) return;

    MainMenuWidget= CreateWidget<UUserWidget>(this, MenuClass);
    if (MainMenuWidget == nullptr) return;
    MainMenuWidget->AddToViewport();
}

#include "MyGameInstance.h"

void UMyGameInstance::LoadMenu()
{
    UE_LOG(LogTemp, Warning, TEXT("LoadMenu..................."));

    UBlueprintGeneratedClass* BP_MainMenu_Widget = LoadObject<UBlueprintGeneratedClass>(nullptr, TEXT("/Game/blueprint/BP_MainMenu_Widget.BP_MainMenu_Widget_C"));
    MenuClass = Cast<UClass>(BP_MainMenu_Widget);
    if (MenuClass == nullptr) return;

    MainMenuWidget = CreateWidget<UUserWidget>(this, MenuClass);
    if (MainMenuWidget == nullptr) return;

    MainMenuWidget->AddToViewport();
}