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XCSDD/docs/api/rhi/d3d12/swap-chain/present.md
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# D3D12SwapChain::Present
## 函数签名
```cpp
void Present(uint32_t syncInterval = 1, uint32_t flags = 0) override
```
## 中文描述
呈现后台缓冲区内容到屏幕。
## 参数
| 参数 | 类型 | 描述 |
|------|------|------|
| `syncInterval` | `uint32_t` | 垂直同步间隔(默认 1 |
| `flags` | `uint32_t` | 呈现标志(默认 0 |
## 返回值
## 复杂度
O(1)
## 示例
```cpp
swapChain->Present(1, 0);
```
## 相关文档
- [D3D12SwapChain](swap-chain.md) - 类总览