# ScreenCaptureSourceType (/zh-CN/api-reference/rtc/flutter/enum-screencapturesourcetype)

> For AI agents: see the complete documentation index at [llms.txt](/llms.txt).

<a id="enum_screencapturesourcetype__parameters"></a>

## 枚举值 [#枚举值]

<ParameterList>
<a id="screencapturesourcetypeunknown"></a>
<Parameter name="screencapturesourcetypeUnknown">

-1：未知。

</Parameter>
<a id="screencapturesourcetypewindow"></a>
<Parameter name="screencapturesourcetypeWindow">

0：共享目标为某一个窗口。

</Parameter>
<a id="screencapturesourcetypescreen"></a>
<Parameter name="screencapturesourcetypeScreen">

1：共享目标为某一个显示器的屏幕。

</Parameter>
<a id="screencapturesourcetypecustom"></a>
<Parameter name="screencapturesourcetypeCustom">

2：预留参数。

</Parameter>
</ParameterList>