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OnBeforePopupCreatedDelegate Delegate

Version 130.1.90
Called beforethe popup is created, can be used to cancel popup creation if required or modify IBrowserSettings. It's important to note that the methods of this interface are called on a CEF UI thread, which by default is not the same as your application UI thread.

Namespace: CefSharp.WinForms.Handler
Assembly: CefSharp.WinForms (in CefSharp.WinForms.dll) Version: 129.0.110.0 (129.0.110.0)
Syntax
public delegate PopupCreation OnBeforePopupCreatedDelegate(
	IWebBrowser chromiumWebBrowser,
	IBrowser browser,
	IFrame frame,
	string targetUrl,
	string targetFrameName,
	WindowOpenDisposition targetDisposition,
	bool userGesture,
	IBrowserSettings browserSettings
)

Parameters

chromiumWebBrowser  IWebBrowser
the ChromiumWebBrowser control
browser  IBrowser
The browser instance that launched this popup.
frame  IFrame
The HTML frame that launched this popup.
targetUrl  String
The URL of the popup content. (This may be empty/null)
targetFrameName  String
The name of the popup. (This may be empty/null)
targetDisposition  WindowOpenDisposition
The value indicates where the user intended to open the popup (e.g. current tab, new tab, etc)
userGesture  Boolean
The value will be true if the popup was opened via explicit user gesture (e.g. clicking a link) or false if the popup opened automatically (e.g. via the DomContentLoaded event).
browserSettings  IBrowserSettings
browser settings, defaults to source browsers

Return Value

PopupCreation
To cancel creation of the popup return true otherwise return false.
See Also