OnBeforePopupCreatedDelegate Delegate

Version 109.1.110

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: 109.1.110.0 (109.1.110.0)

Syntax

C++

Copy

public delegate PopupCreation OnBeforePopupCreatedDelegate(
	IWebBrowser chromiumWebBrowser,
	IBrowser browser,
	IFrame frame,
	string targetUrl,
	string targetFrameName,
	WindowOpenDisposition targetDisposition,
	bool userGesture,
	IBrowserSettings browserSettings
)

public delegate PopupCreation OnBeforePopupCreatedDelegate(
	IWebBrowser^ chromiumWebBrowser, 
	IBrowser^ browser, 
	IFrame^ frame, 
	String^ targetUrl, 
	String^ targetFrameName, 
	WindowOpenDisposition targetDisposition, 
	bool userGesture, 
	IBrowserSettings^ browserSettings
)

Parameters

chromiumWebBrowser: Type: CefSharpIWebBrowser
the ChromiumWebBrowser control
browser: Type: CefSharpIBrowser
The browser instance that launched this popup.
frame: Type: CefSharpIFrame
The HTML frame that launched this popup.
targetUrl: Type: SystemString
The URL of the popup content. (This may be empty/null)
targetFrameName: Type: SystemString
The name of the popup. (This may be empty/null)
targetDisposition: Type: CefSharpWindowOpenDisposition
The value indicates where the user intended to open the popup (e.g. current tab, new tab, etc)
userGesture: Type: SystemBoolean
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: Type: CefSharpIBrowserSettings
browser settings, defaults to source browsers

Return Value

Type: PopupCreation
To cancel creation of the popup return true otherwise return false.

Reference

CefSharp.WinForms.Handler Namespace