CoInternetSetFeatureEnabled Function

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本文介绍了 CoInternetSetFeatureEnabled 函数的使用方法，该函数用于启用或禁用指定的 Internet Explorer 特性控制。文章详细解释了函数参数的意义，并通过一个示例展示了如何在进程级别启用弹出窗口管理功能。

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http://msdn.microsoft.com/zh-cn/library/ms537168(en-us,VS.85).aspx

CoInternetSetFeatureEnabled Function

Enables or disables a specified feature control.

Syntax

HRESULT CoInternetSetFeatureEnabled(      
    INTERNETFEATURELIST FeatureEntry,
    DWORD dwFlags,
    BOOL fEnable
);

Parameters

FeatureEntry
A value from the INTERNETFEATURELIST enumeration that indicates the feature control to enable or disable.
dwFlags
[in] Specifies where to set the feature control value.
SET_FEATURE_ON_THREAD
The current thread.
SET_FEATURE_ON_PROCESS
The current process.
SET_FEATURE_IN_REGISTRY
Reserved. Do not use.
SET_FEATURE_ON_THREAD_LOCALMACHINE
The local machine zone.
SET_FEATURE_ON_THREAD_INTRANET
The intranet zone.
SET_FEATURE_ON_THREAD_TRUSTED
The trusted zone.
SET_FEATURE_ON_THREAD_INTERNET
The Internet zone.
SET_FEATURE_ON_THREAD_RESTRICTED
The restricted zone.

fEnable
A BOOL that indicates that the feature control specified by FeatureEntry is enabled when fEnable is TRUE.

Return Value

Returns one of the following values.

S_OK Success.
E_FAIL FeatureEntry is invalid.

Remarks

The CoInternetSetFeatureEnabled function was introduced in Microsoft Internet Explorer 6 for Microsoft Windows XP Service Pack 2 (SP2).

Example

This code snippet enables pop-up management behavior for the process. The code is placed inside an application that uses the WebBrowser Control before the navigation command.

复制代码

    LRESULT lr = 0;
    INTERNETFEATURELIST featureToEnable = FEATURE_WEBOC_POPUPMANAGEMENT;
    
    if (SUCCEEDED(CoInternetSetFeatureEnabled(featureToEnable, SET_FEATURE_ON_PROCESS, true)))
    {
        //Check to make sure that the API worked as expected
        if (FAILED(CoInternetIsFeatureEnabled(featureToEnable,SET_FEATURE_ON_PROCESS)))
        {
            lr = 2;
        }
    }
    else
    {
        //The API returned an error while enabling pop-up management
        lr = 1;
    }

Function Information

Stock Implementation urlmon.dll
Custom Implementation No
Header Urlmon.h
Import library Urlmon.lib
Minimum availability Internet Explorer 6.0
Minimum operating systems Windows XP SP2

Stock Implementation	urlmon.dll
Custom Implementation	No
Header	Urlmon.h
Import library	Urlmon.lib
Minimum availability	Internet Explorer 6.0
Minimum operating systems	Windows XP SP2