本文整理汇总了C++中DOMNode::QueryInterface方法的典型用法代码示例。如果您正苦于以下问题：C++ DOMNode::QueryInterface方法的具体用法？C++ DOMNode::QueryInterface怎么用？C++ DOMNode::QueryInterface使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类DOMNode的用法示例。
在下文中一共展示了DOMNode::QueryInterface方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: createInstance
IDOMNode* DOMNode::createInstance(WebCore::Node* n)
{
if (!n)
return 0;
HRESULT hr = S_OK;
IDOMNode* domNode = 0;
WebCore::Node::NodeType nodeType = n->nodeType();
switch (nodeType) {
case WebCore::Node::ELEMENT_NODE:
{
IDOMElement* newElement = DOMElement::createInstance(static_cast<WebCore::Element*>(n));
if (newElement) {
hr = newElement->QueryInterface(IID_IDOMNode, (void**)&domNode);
newElement->Release();
}
}
break;
case WebCore::Node::DOCUMENT_NODE:
{
IDOMDocument* newDocument = DOMDocument::createInstance(&n->document());
if (newDocument) {
hr = newDocument->QueryInterface(IID_IDOMNode, (void**)&domNode);
newDocument->Release();
}
}
break;
default:
{
DOMNode* newNode = new DOMNode(n);
hr = newNode->QueryInterface(IID_IDOMNode, (void**)&domNode);
}
break;
}
if (FAILED(hr))
return 0;
return domNode;
}