FSlateElementBatch
( TWeakPtr< ICustomSlateElement, ESPM..., const FSlateDrawElement& InDrawEle...)
( const FSlateShaderResource* In..., const FShaderParams& InShaderParam..., ESlateShader ShaderType, ESlateDrawPrimitive PrimitiveType, ESlateDrawEffect InDrawEffects, ESlateBatchDrawFlag InBatchFlags, const FSlateDrawElement& InDrawEle..., int32 InstanceCount, uint32 InstanceOffset, ISlateUpdatableInstanceBuffer*...)