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XCEngine/docs/api/resources/material/has-property.md

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# Material::HasProperty
```cpp
bool HasProperty(const Containers::String& name) const;
```
检查指定属性是否存在。
**参数:**
- `name` - 属性名称
**返回:** 属性存在返回 true否则返回 false
**线程安全:**
**复杂度:** O(1)
**示例:**
```cpp
if (mat->HasProperty("roughness")) {
float roughness = mat->GetFloat("roughness");
}
```
## 相关文档
- [Material](material.md) - 返回类总览