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Enables private browsing.

Component Version macOS Windows Linux Server iOS SDK
WebView 9.5 ✅ Yes ❌ No ❌ No ❌ No ✅ Yes


This function was deprecated. Use WebView.SetUsePrivateBrowsing instead.

MBS( "WebView.SetPrivateBrowsing"; WebViewerRef; Value )   More


Parameter Description Example
WebViewerRef Either the Web Viewer Object Name or the Web Viewer ID as returned by "WebView.FindByName" function. "web"
Value The new mode.
Pass 1 to enable private browsing.
Pass 0 to disable.


Returns OK or error.


Enables private browsing.
If enabled, no data should be stored for cookies or cache on disk, so it's cleared when web viewer is destroyed.
Default is non-private mode for the web viewer.

For WebKit 2.x, it looks like you can't change mode after web viewer was created. Use WebView.SetUsePrivateBrowsing for this.


Enable private browsing:

Set Variable [ $r ; Value: MBS( "Webview.SetPrivateBrowsing"; "web"; 1 ) ]

See also

Release notes

Blog Entries

This function checks for a license.

Created 27th October 2019, last changed 11st June 2021

WebView.SetPrintParameter - WebView.SetSilent