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03-UnrealEngine/Gameplay/UObject/UnrealSpecifiers/Meta/Object/CollapsableChildProperties.md

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+# CollapsableChildProperties
+
+- **功能描述：** 在TextureGraph模块中新增加的meta。用于折叠一个结构的内部属性。
+- **使用位置：** UPROPERTY
+- **元数据类型：** bool
+- **限制类型：** TextureGraph插件内使用
+- **关联项：** [ShowInnerProperties](ShowInnerProperties/ShowInnerProperties.md)
+- **常用程度：** 0
+
+在TextureGraph模块中新增加的meta。用于折叠一个结构的内部属性。
+
+## 源码：
+
+```cpp
+bool STG_GraphPinOutputSettings::CollapsibleChildProperties() const
+{
+	FProperty* Property = GetPinProperty();
+	bool Collapsible = false;
+	// check if there is a display name defined for the property, we use that as the Pin Name
+	if (Property && Property->HasMetaData("CollapsableChildProperties"))
+	{
+		Collapsible = true;
+	}
+	return Collapsible;
+}
+
+	UPROPERTY(EditAnywhere, Category = NoCategory, meta = (TGType = "TG_Input", CollapsableChildProperties,ShowOnlyInnerProperties, FullyExpand, NoResetToDefault, PinDisplayName = "Settings") )
+	FTG_OutputSettings OutputSettings;
+```