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====== 015 ウインドウのサイズ変更と最大化ボタンを無効化する(4.12) ====== Blueprint Function Library を継承したクラスを作成し関数を追加します。 {{:wiki:tips:ue4_2016082102.png|}}


UCLASS()
class GAME01_API UGlobalBPFunctionLibrary : public UBlueprintFunctionLibrary
{
    GENERATED_BODY()

public:
    UFUNCTION(BlueprintCallable, Category = "GlobalBPFunctionLibrary")
    static void SetupGameWindow();
};


void UGlobalBPFunctionLibrary::SetupGameWindow()
{
    if (GIsEditor)
    {
        return;
    }
    
    HWND hWnd = NULL;
    TSharedPtr MainWindow = GEngine->GameViewport->GetWindow();
    if (MainWindow.IsValid())
    {
        if (MainWindow->GetNativeWindow().IsValid())
        {
            hWnd = static_cast(MainWindow->GetNativeWindow()->GetOSWindowHandle());
        }
    }

    if (hWnd)
    {
        LONG Style = ::GetWindowLong(hWnd, GWL_STYLE);
        Style &= ~(WS_THICKFRAME | WS_MAXIMIZEBOX);
        ::SetWindowLong(hWnd, GWL_STYLE, Style);
        ::ShowWindow(hWnd, SW_SHOW);
    }
}