IXMLHttpRequest::open Method

Initializes a Microsoft.XMLHTTP request, and specifies the method, URL, and authentication information for the request.

Visual Basic Syntax

oXMLHttpRequest.open(bstrMethod, bstrUrl, varAsync, bstrUser, bstrPassword)

C/C++ Syntax

HRESULT open(
    BSTR bstrMethod,
    BSTR bstrUrl,
    VARIANT bAsync,
    VARIANT bstrUser,
    VARIANT bstrPassword);

Parameters

bstrMethod
[in] HTTP method used to open the connection, such as PUT or PROPFIND.
bstrUrl
[in] Requested URL. This must be an absolute URL, such as "http://Myserver/Mypath/".
bAsync
[in, optional] Indicator as to whether the call is asynchronous. The default is true (the call blocks until it returns). This parameter must be a Boolean (true or false) expression.
bstrUser
[in, optional] Name of the user for authentication. If this parameter is NULL ("") or missing and the site requires authentication, the component displays a logon window.
bstrPassword
[in, optional] Password for authentication. This parameter is ignored if the user parameter is NULL or missing.

C/C++ Return Value

Returns S_OK if successful, or an error code otherwise.

Remarks

The values of the request headers, request body, response headers, and response body must be cleared before calling this method.