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LifeSpanHandlerOnBeforePopup Method

Version 94.4.20
Called before a popup window is created.

Namespace:  CefSharp.WinForms.Handler
Assembly:  CefSharp.WinForms (in CefSharp.WinForms.dll) Version: 94.4.20.0 (94.4.20.0)
Syntax
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protected override bool OnBeforePopup(
	IWebBrowser chromiumWebBrowser,
	IBrowser browser,
	IFrame frame,
	string targetUrl,
	string targetFrameName,
	WindowOpenDisposition targetDisposition,
	bool userGesture,
	IPopupFeatures popupFeatures,
	IWindowInfo windowInfo,
	IBrowserSettings browserSettings,
	ref bool noJavascriptAccess,
	out IWebBrowser newBrowser
)

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).
popupFeatures
Type: CefSharpIPopupFeatures
structure contains additional information about the requested popup window
windowInfo
Type: CefSharpIWindowInfo
window information
browserSettings
Type: CefSharpIBrowserSettings
browser settings, defaults to source browsers
noJavascriptAccess
Type: SystemBoolean
value indicates whether the new browser window should be scriptable and in the same process as the source browser.
newBrowser
Type: CefSharpIWebBrowser
EXPERIMENTAL - A newly created browser that will host the popup. Set to null for default behaviour.

Return Value

Type: Boolean
To cancel creation of the popup window return true otherwise return false.
Remarks
NOTE: DevTools popups DO NOT trigger OnBeforePopup.
See Also