OH_ArkUI_RenderNodeUtils_GetChildrenCount

arkui_sys::native_render

Function OH_ArkUI_RenderNodeUtils_GetChildrenCount 

Source 
pub unsafe extern "C" fn OH_ArkUI_RenderNodeUtils_GetChildrenCount(
    node: ArkUI_RenderNodeHandle,
    count: *mut i32,
) -> i32
Available on crate feature api-20 only.
Expand description

Retrieve render child nodes count of a render node.

§Arguments

  • node - Handle to the target parent render node.

  • count - Pointer to store the number of child nodes retrieved.

§Returns

  • Error code. [ARKUI_ERROR_CODE_NO_ERROR] Success. [ARKUI_ERROR_CODE_PARAM_INVALID] Function parameter exception. [ARKUI_ERROR_CODE_CAPI_INIT_ERROR] if CAPI init error.

Available since API-level: 20