/// <summary>
/// Retrieve system information, using the given SysInfoQuery to determine what information to retrieve
/// </summary>
/// <param name="sysInfoQuery">the query to determine what information to retrieve</param>
/// <returns>a SysInfoResult ie containing the results of the query</returns>
public SysInfoResult Retrieve(SysInfoQuery sysInfoQuery)
{
_sysInfoQuery = sysInfoQuery;
_sysInfoSearcher = new ManagementObjectSearcher(string.Format("SELECT * FROM {0}", _sysInfoQuery.QueryText));
_sysInfoResult = new SysInfoResult(_sysInfoQuery.Name);
foreach (ManagementObject managementObject in _sysInfoSearcher.Get())
{
_sysInfoResult.AddNode(managementObject.GetPropertyValue(_sysInfoQuery.DisplayField).ToString().Trim());
_sysInfoResult.AddChildren(GetChildren(managementObject));
}
return(_sysInfoResult);
}
/// <summary>
/// Add a tree node to an existing parentNode, by passing the SyfInfoResult
/// </summary>
public static void AddTreeViewNode(TreeNode parentNode, SysInfoResult result)
{
var nodeRoot = new TreeNode(result.Name);
foreach (string nodeValueParent in result.Nodes)
{
var nodeLeaf = new TreeNode(nodeValueParent);
nodeRoot.Nodes.Add(nodeLeaf);
foreach (SysInfoResult childResult in result.ChildResults)
{
foreach (string nodeValue in childResult.Nodes)
{
nodeLeaf.Nodes.Add(new TreeNode(nodeValue));
}
}
}
parentNode.Nodes.Add(nodeRoot);
}
private IEnumerable <SysInfoResult> GetChildren(ManagementBaseObject managementObject)
{
SysInfoResult childResult = null;
ICollection <SysInfoResult> childList = new List <SysInfoResult>();
foreach (PropertyData propertyData in managementObject.Properties)
{
if (childResult == null)
{
childResult = new SysInfoResult(_sysInfoQuery.Name + "_Child");
childList.Add(childResult);
}
string nodeValue = string.Format("{0} = {1}", propertyData.Name, Convert.ToString(propertyData.Value));
childResult.Nodes.Add(nodeValue);
}
return(childList);
}
