Node Object Property: AllChildren
Purpose
Returns a collection object containing all descendants for a node.
Return Value
type Collection
Description
The Allchildren property returns a collection object. This property stands for an IEnumVARIANT interface that lets the control user reference the descendants of the node, regardless of whether the node is expanded, enabled, visible, or hidden.
Dim Node As Object
Set Node = Tree.Nodes.Item(1);
for each node in Node.AllChildren
node.Type = node.Type and not NodeTypeHidden
next node
C++ :
LPENUMVARIANT lpEnum;
HRESULT hr;
hr = pNode->QueryInterface(IID_IEnumVARIANT,(LPVOID FAR *)& lpEnum);
if (SUCCEEDED(hr))
{
VARIANT vaChildNode;
lpEnum->Reset();
while (hr == NOERROR)
{
VariantInit(&vaChildNode);
hr = lpEnum->Next(1,&vaChildNode,NULL);
if (hr == NOERROR)
{
hr = VariantChangeType(&vaChildNode,
&vaChildNode,VARIANT_NOPROPVALUE,VT_DISPATCH);
if (SUCCEEDED(hr))
{
LPDISPATCH lpChildNode;
lpChildNode = V_DISPATCH(&vaChildNode);
// work on the automation interface
...
}
VariantClear(&vaChildNode);
}
}
lpEnum->Releas();
}