/// <summary>
/// Gets the WMI query string based on the current drive types.
/// </summary>
/// <returns></returns>
protected virtual string GetWMIQueryStatement(TreeViewFolderBrowser treeView)
{
if ((treeView.DriveTypes & DriveTypes.All) == DriveTypes.All)
{
return(string.Empty);
}
//
string where = string.Empty;
//
System.Array array = Enum.GetValues(typeof(DriveTypes));
//
foreach (DriveTypes type in array)
{
if ((treeView.DriveTypes & type) == type)
{
if (where == string.Empty)
{
where += "drivetype = " + Enum.Format(typeof(Win32_LogicalDiskDriveTypes), Enum.Parse(typeof(Win32_LogicalDiskDriveTypes), type.ToString(), true), "d");
}
else
{
where += " OR drivetype = " + Enum.Format(typeof(Win32_LogicalDiskDriveTypes), Enum.Parse(typeof(Win32_LogicalDiskDriveTypes), type.ToString(), true), "d");
}
}
}
//
return(where);
}
/// <summary>
/// Extract the icon for the file type (Extension)
/// </summary>
protected virtual void SetIcon(TreeViewFolderBrowser treeView, TreeNodePath node)
{
// create on demand
if (_systemImageList == null)
{
// Shell32 ImageList
_systemImageList = new RootKit.Win32.SystemImageList(RootKit.Win32.SystemImageListSize.SmallIcons);
RootKit.Win32.SystemImageListHelper.SetTreeViewImageList(treeView, _systemImageList, false);
}
node.ImageIndex = this._systemImageList.IconIndex(node.Path, true);
node.SelectedImageIndex = node.ImageIndex;
}
/// <summary>
/// Initialize a new instance of TreeViewFolderBrowserHelper for the specified TreeViewFolderBrowser instance.
/// </summary>
/// <param name="treeView"></param>
internal TreeViewFolderBrowserHelper(TreeViewFolderBrowser treeView)
{
_treeView = treeView;
}
