Function OH_ArkUI_SurfaceHolder_GetUserData 

pub unsafe extern "C" fn OH_ArkUI_SurfaceHolder_GetUserData(
    surfaceHolder: *mut OH_ArkUI_SurfaceHolder,
) -> *mut c_void

Available on crate feature api-19 only.

Obtains the custom data saved on the OH_ArkUI_SurfaceHolder instance.

Arguments

• surfaceHolder - Indicates the target OH_ArkUI_SurfaceHolder instance.

Returns

• Returns the custom data.

Available since API-level: 19