async void InitializeAsync(Microsoft.Web.WebView2.WinForms.WebView2 webView)
{
var localAppData = System.Environment.GetFolderPath(System.Environment.SpecialFolder.LocalApplicationData);
var cacheFolder = System.IO.Path.Combine(localAppData, "WindowsFormsWebView2");
var environment = await Microsoft.Web.WebView2.Core.CoreWebView2Environment.CreateAsync(userDataFolder : cacheFolder);
await webView.EnsureCoreWebView2Async(environment);
webView.CoreWebView2.Navigate(System.String.Format("file:///{0}/resources/index.html", System.IO.Directory.GetCurrentDirectory()));
}
/// <summary>
/// Webview2 初始化
/// </summary>
/// <param name="webview">Microsoft.Web.WebView2.WinForms.WebView2</param>
/// <param name="browserExecutableFolder">browserExecutableFolder</param>
/// <param name="userDataFolder">userDataFolder</param>
/// <param name="options">CoreWebView2EnvironmentOptions</param>
/// <param name="func">Func</param>
public async Task InitializeWebview2Async(Microsoft.Web.WebView2.WinForms.WebView2 webview,
string browserExecutableFolder = null,
string userDataFolder = null,
CoreWebView2EnvironmentOptions options = null,
Func <AppRuntime> func = null)
{
userDataFolder = userDataFolder ?? Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), "UserData");
AppRuntime.RunTime.WebView2Environment = await CoreWebView2Environment.CreateAsync(browserExecutableFolder, userDataFolder, options);
await webview.EnsureCoreWebView2Async(AppRuntime.RunTime.WebView2Environment);
if (func != null)
{
webview.Invoke(func);
}
}
private async Task InitializeWebView2()
{
_coreWebView2Environment = await CoreWebView2Environment.CreateAsync()
#if WEBVIEW2_MAUI
.AsTask()
#endif
.ConfigureAwait(true);
await _webview.EnsureCoreWebView2Async();
ApplyDefaultWebViewSettings();
_webview.CoreWebView2.AddWebResourceRequestedFilter($"{AppOrigin}*", CoreWebView2WebResourceContext.All);
_webview.CoreWebView2.WebResourceRequested += async(s, eventArgs) =>
{
await HandleWebResourceRequest(eventArgs);
};
// The code inside blazor.webview.js is meant to be agnostic to specific webview technologies,
// so the following is an adaptor from blazor.webview.js conventions to WebView2 APIs
await _webview.CoreWebView2.AddScriptToExecuteOnDocumentCreatedAsync(@"
window.external = {
sendMessage: message => {
window.chrome.webview.postMessage(message);
},
receiveMessage: callback => {
window.chrome.webview.addEventListener('message', e => callback(e.data));
}
};
")
#if WEBVIEW2_MAUI
.AsTask()
#endif
.ConfigureAwait(true);
QueueBlazorStart();
_webview.CoreWebView2.WebMessageReceived += (s, e) => MessageReceived(new Uri(e.Source), e.TryGetWebMessageAsString());
}