Type Alias ArkWeb_OnMessageEventHandler 

pub type ArkWeb_OnMessageEventHandler = Option<unsafe extern "C" fn(webTag: *const c_char, port: ArkWeb_WebMessagePortPtr, message: ArkWeb_WebMessagePtr, userData: *mut c_void)>;

Available on crate features api-11 and api-12 only.

Defines the callback to receive message from HTML.

Arguments

• webTag - The name of the web component.

• port - The ArkWeb_WebMessagePort for registering the ArkWeb_OnMessageEventHandler.

• message - The received ArkWeb_WebMessage.

• userData - The data set by user.

Available since API-level: 12

Aliased Type

pub enum ArkWeb_OnMessageEventHandler {
    None,
    Some(unsafe extern "C" fn(*const u8, *mut ArkWeb_WebMessagePort, *mut ArkWeb_WebMessage, *mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*const u8, *mut ArkWeb_WebMessagePort, *mut ArkWeb_WebMessage, *mut c_void))

Some value of type T.