public static ProjectItemGroupElement FindUniformOrCreateItemGroupWithCondition(this ProjectRootElement root, string projectItemElementType, string framework)
{
var lastMatchingItemGroup = FindExistingUniformItemGroupWithCondition(root, projectItemElementType, framework);
if (lastMatchingItemGroup != null)
{
return(lastMatchingItemGroup);
}
ProjectItemGroupElement ret = root.CreateItemGroupElement();
string condStr;
if (TryGetFrameworkConditionString(framework, out condStr))
{
ret.Condition = condStr;
}
root.InsertAfterChild(ret, root.LastItemGroup());
return(ret);
}