public int GetProperty(uint itemid, int propid, out object pvar)
{
if (itemid == _nodes.RootNode.ItemId && propid == (int)__VSHPROPID.VSHPROPID_ProjectDir)
{
return(GetPropertyReturn(itemid, propid, "", out pvar, VSConstants.S_OK));
}
// Display node before regular projects, but after "Solution Items".
if (itemid == _nodes.RootNode.ItemId && propid == (int)__VSHPROPID.VSHPROPID_SortPriority)
{
return(GetPropertyReturn(itemid, propid, -1, out pvar, VSConstants.S_OK));
}
NodeViewModel node = _nodes.GetNode(itemid);
if (node == null)
{
return(GetPropertyReturn(itemid, propid, null, out pvar, VSConstants.E_NOTIMPL));
}
switch (propid)
{
case (int)__VSHPROPID.VSHPROPID_ParentHierarchyItemid:
case (int)__VSHPROPID.VSHPROPID_ParentHierarchy:
return(GetPropertyReturn(itemid, propid, null, out pvar, VSConstants.E_FAIL));
case (int)__VSHPROPID.VSHPROPID_IconImgList:
return(GetPropertyReturn(itemid, propid, (int)ImageListPtr, out pvar, VSConstants.S_OK));
default:
int hresult = node.GetProperty(propid, out pvar);
return(GetPropertyReturn(itemid, propid, pvar, out pvar, hresult));
}
}
public int GetProperty(uint itemid, int propid, out object pvar)
{
if (itemid == _nodes.RootNode.ItemId && propid == (int)__VSHPROPID.VSHPROPID_ProjectDir)
{
return(GetPropertyReturn(itemid, propid, "", out pvar, VSConstants.S_OK));
}
// Display node before regular projects, but after "Solution Items".
if (itemid == _nodes.RootNode.ItemId && propid == (int)__VSHPROPID.VSHPROPID_SortPriority)
{
return(GetPropertyReturn(itemid, propid, -1, out pvar, VSConstants.S_OK));
}
// Returning "true" for VSHPROPID_HasEnumerationSideEffects tells (some?) consumers that
// they should not enumerate all elements of the hierarchy. This helps with slowdown in
// Visual Studio stepping C++ code when 1) Source Explorer contains a large number of elements
// (hundred of thousands) and 2) the PDB of the debuggee process contains paths that don't match
// paths on the debugger machine. When both these conditions are verified, the VsDebug package
// enumerates all items of the hierarchy and calls "GetMkDocument" on each element, which
// can takes seconds because of the sheer number of elements.
// By returning "true", we tell the VsDebug package to not bother enumerating our elements.
if (itemid == _nodes.RootNode.ItemId && propid == (int)__VSHPROPID.VSHPROPID_HasEnumerationSideEffects)
{
return(GetPropertyReturn(itemid, propid, true, out pvar, VSConstants.S_OK));
}
NodeViewModel node = _nodes.GetNode(itemid);
if (node == null)
{
return(GetPropertyReturn(itemid, propid, null, out pvar, VSConstants.E_NOTIMPL));
}
switch (propid)
{
case (int)__VSHPROPID.VSHPROPID_ParentHierarchyItemid:
case (int)__VSHPROPID.VSHPROPID_ParentHierarchy:
return(GetPropertyReturn(itemid, propid, null, out pvar, VSConstants.E_FAIL));
case (int)__VSHPROPID.VSHPROPID_IconImgList:
return(GetPropertyReturn(itemid, propid, (int)ImageListPtr, out pvar, VSConstants.S_OK));
case (int)__VSHPROPID.VSHPROPID_FirstVisibleChild:
case (int)__VSHPROPID.VSHPROPID_FirstChild:
// Dynamically load children (if they are not loaded yet)
var directoryNode = node as DirectoryNodeViewModel;
if (directoryNode != null)
{
LoadDirectoryNodeChildren(directoryNode);
}
goto default;
default:
int hresult = node.GetProperty(propid, out pvar);
return(GetPropertyReturn(itemid, propid, pvar, out pvar, hresult));
}
}
