interface ICoreWebView2NavigationStartingEventArgs
interface ICoreWebView2NavigationStartingEventArgs
: public IUnknown
Event args for the NavigationStarting event.
Summary
| Members | Descriptions |
|---|---|
| get_Cancel | The host may set this flag to cancel the navigation. |
| get_IsRedirected | TRUE when the navigation is redirected. |
| get_IsUserInitiated | TRUE when the navigation was initiated through a user gesture as opposed to programmatic navigation by page script. |
| get_NavigationId | The ID of the navigation. |
| get_RequestHeaders | The HTTP request headers for the navigation. |
| get_Uri | The uri of the requested navigation. |
| put_Cancel | Sets the Cancel property. |
Applies to
| Product | Introduced |
|---|---|
| WebView2 Win32 | 0.9.430 |
| WebView2 Win32 Prerelease | 0.9.488 |
Members
get_Cancel
The host may set this flag to cancel the navigation.
public HRESULT get_Cancel(BOOL * cancel)
If set, the navigation is not longer present and the content of the current page is intact. For performance reasons, GET HTTP requests may happen, while the host is responding. You may set cookies and use part of a request for the navigation. Navigations to about schemes are cancellable, unless msWebView2CancellableAboutNavigations feature flag is disabled. Cancellation of frame navigation to srcdoc is not supported and wil be ignored. A cancelled navigation will fire a NavigationCompleted event with a WebErrorStatus of COREWEBVIEW2_WEB_ERROR_STATUS_OPERATION_CANCELED.
get_IsRedirected
TRUE when the navigation is redirected.
public HRESULT get_IsRedirected(BOOL * isRedirected)
get_IsUserInitiated
TRUE when the navigation was initiated through a user gesture as opposed to programmatic navigation by page script.
public HRESULT get_IsUserInitiated(BOOL * isUserInitiated)
Navigations initiated via WebView2 APIs are considered as user initiated.
get_NavigationId
The ID of the navigation.
public HRESULT get_NavigationId(UINT64 * navigationId)
get_RequestHeaders
The HTTP request headers for the navigation.
public HRESULT get_RequestHeaders(ICoreWebView2HttpRequestHeaders ** requestHeaders)
Note
You are not able to modify the HTTP request headers in a NavigationStarting event.
get_Uri
The uri of the requested navigation.
public HRESULT get_Uri(LPWSTR * uri)
The caller must free the returned string with CoTaskMemFree. See API Conventions.
put_Cancel
Sets the Cancel property.
public HRESULT put_Cancel(BOOL cancel)