Function OH_ArkUI_RenderNodeUtils_GetShadowAlpha 

pub unsafe extern "C" fn OH_ArkUI_RenderNodeUtils_GetShadowAlpha(
    node: ArkUI_RenderNodeHandle,
    alpha: *mut f32,
) -> i32

Available on crate feature api-20 only.

Get the shadow transparency of a RenderNode.

Arguments

• node - Handle to the target render node.

• alpha - Pointer to receive shadow alpha value.

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