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Sets WebView preferences parameters.

Component Version macOS Windows Server FileMaker Cloud FileMaker iOS SDK
WebView 2.2 Yes No No No Yes

MBS( "WebView.SetPreferences"; WebViewerRef; ParameterName; ParameterValue )


Parameter Description Example value
WebViewerRef Either the Web Viewer Object Name or the Web Viewer ID as returned by "WebView.FindByName" function. "web"
ParameterName The name of the parameter. isJavaEnabled
ParameterValue The value for the given parameter: A boolean value for allowsAnimatedImageLooping, allowsAnimatedImages, javaEnabled, javaScriptCanOpenWindowsAutomatically, javaScriptEnabled, loadsImagesAutomatically, plugInsEnabled, privateBrowsingEnabled, shouldPrintBackgrounds, tabsToLinks, userStyleSheetEnabled and usesPageCache. A number for cacheModel, defaultFixedFontSize, defaultFontSize, minimumFontSize or minimumLogicalFontSize. A string for cursiveFontFamily, defaultTextEncodingName, fantasyFontFamily, fixedFontFamily, sansSerifFontFamily, serifFontFamily or standardFontFamily. 0


Returns OK or an error message.


Sets WebView preferences parameters.
For WebKit 1.x you can pass empty WebViewerRef to access global preferences.

Available keys for WebKit 1.x (FileMaker till version 15 and WebView.Create): allowsAnimatedImageLooping, allowsAnimatedImages, cacheModel, cursiveFontFamily, defaultFixedFontSize, defaultFontSize, defaultTextEncodingName, fantasyFontFamily, fixedFontFamily, javaEnabled, javaScriptCanOpenWindowsAutomatically, javaScriptEnabled, loadsImagesAutomatically, minimumFontSize, minimumLogicalFontSize, plugInsEnabled, privateBrowsingEnabled, sansSerifFontFamily, serifFontFamily, shouldPrintBackgrounds, standardFontFamily, tabsToLinks, userStyleSheetEnabled or usesPageCache.

Available keys for WebKit 2.x (FileMaker 16): developerExtrasEnabled, logsPageMessagesToSystemConsoleEnabled, minimumFontSize, javaScriptEnabled, javaScriptCanOpenWindowsAutomatically, allowFileAccessFromFileURLs, telephoneNumberDetectionIsEnabled, javaEnabled and plugInsEnabled.


set print background option:

MBS("WebView.SetPreferences"; $WebViewerRef; "shouldPrintBackgrounds", 1)

Disables image loading:

MBS("WebView.SetPreferences"; $WebViewerRef; "loadsImagesAutomatically", 1)

Disable Java:

MBS("WebView.SetPreferences"; $WebViewerRef; "javaEnabled"; 0)

Disable Plugins:

MBS("WebView.SetPreferences"; $WebViewerRef; "plugInsEnabled"; 0)

Set developer extras enabled state for webviewer:

Set Variable [$r; Value:MBS("WebView.SetPreferences"; "web"; "developerExtrasEnabled"; 1)]

See also

Example Databases

WebView.SetInternetExplorerVersion   -   WebView.SetPrintParameter

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MBS Xojo PDF Plugins