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Make sure we run Page.enable before Page.getFrameTree #3101

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Merged
kblok merged 2 commits into from
Jan 31, 2026
+4 −2
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Make sure we run Page.enable before Page.getFrameTree #3101

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5a64c8a
Make sure we run Page.enable before Page.getFrameTree
kblok Jan 21, 2026
ec96d4b
Merge branch 'master' into fix-page-enable-concurrency
kblok Jan 31, 2026
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6 changes: 4 additions & 2 deletions lib/PuppeteerSharp/Cdp/FrameManager.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -118,7 +118,6 @@ internal async Task InitializeAsync(CDPSession client)
_frameTreeHandled.TrySetResult(true);
_frameTreeHandled = new TaskCompletionSource<bool>(TaskCreationOptions.RunContinuationsAsynchronously);
var networkInitTask = NetworkManager.AddClientAsync(client);
var getFrameTreeTask = client.SendAsync<PageGetFrameTreeResponse>("Page.getFrameTree");
var autoAttachTask = client != Client
? client.SendAsync("Target.setAutoAttach", new TargetSetAutoAttachRequest
{
Expand All @@ -128,8 +127,11 @@ internal async Task InitializeAsync(CDPSession client)
})
: Task.CompletedTask;

// Page.enable must be sent before Page.getFrameTree to ensure frame events are received
await client.SendAsync("Page.enable").ConfigureAwait(false);

var getFrameTreeTask = client.SendAsync<PageGetFrameTreeResponse>("Page.getFrameTree");
await Task.WhenAll(
client.SendAsync("Page.enable"),
getFrameTreeTask,
autoAttachTask).ConfigureAwait(false);

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