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IRequestContextSetPreference Method

Version 86.0.240
Set the value associated with preference name. If value is null the preference will be restored to its default value. If setting the preference fails then error will be populated with a detailed description of the problem. This method must be called on the CEF UI thread. Preferences set via the command-line usually cannot be modified.

Namespace:  CefSharp
Assembly:  CefSharp (in CefSharp.dll) Version: (
bool SetPreference(
	string name,
	Object value,
	out string error


Type: SystemString
preference key
Type: SystemObject
preference value
Type: SystemString
out error

Return Value

Type: Boolean
Returns true if the value is set successfully and false otherwise.
Use Cef.UIThreadTaskFactory to execute this method if required, OnContextInitialized and ChromiumWebBrowser.IsBrowserInitializedChanged are both executed on the CEF UI thread, so can be called directly. When CefSettings.MultiThreadedMessageLoop == false (the default is true) then the main application thread will be the CEF UI thread.
See Also