#### [Apq\.Cfg](index.md 'index')
### [Apq\.Cfg\.Internal](Apq.Cfg.Internal.md 'Apq\.Cfg\.Internal').[ValueTransformerChain](Apq.Cfg.Internal.ValueTransformerChain.md 'Apq\.Cfg\.Internal\.ValueTransformerChain')

## ValueTransformerChain\.InvalidateCache\(string\) Method

使指定键的缓存失效（配置变更时调用）

```csharp
public void InvalidateCache(string key);
```
#### Parameters

<a name='Apq.Cfg.Internal.ValueTransformerChain.InvalidateCache(string).key'></a>

`key` [System\.String](https://learn.microsoft.com/en-us/dotnet/api/system.string 'System\.String')

配置键