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ArkWeb_OnMessageEventHandler

Type Alias ArkWeb_OnMessageEventHandler 

Source
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.
Expand description

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§

§1.0.0

None

No value.

§1.0.0

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

Some value of type T.