public int AddFileIcon(string filePath)
{
// Check if the file exists, otherwise, throw exception.
// if (!System.IO.File.Exists(filePath)) throw new System.IO.FileNotFoundException("File does not exist");
// Split it down so we can get the extension
string[] splitPath = filePath.Split(new Char[] { '.' });
string extension = (string)splitPath.GetValue(splitPath.GetUpperBound(0));
//Check that we haven't already got the extension, if we have, then
//return back its index
if (_extensionList.ContainsKey(extension.ToUpper()))
{
return (int)_extensionList[extension.ToUpper()]; //return existing index
}
else
{
// It's not already been added, so add it and record its position.
int pos = ((ImageList)_imageLists[0]).Images.Count; //store current count -- new item's index
if (ManageBothSizes == true)
{
//managing two lists, so add it to small first, then large
((ImageList)_imageLists[0]).Images.Add(IconReader.GetFileIcon(filePath, IconReader.IconSize.Small, false));
((ImageList)_imageLists[1]).Images.Add(IconReader.GetFileIcon(filePath, IconReader.IconSize.Large, false));
}
else
{
//only doing one size, so use IconSize as specified in _iconSize.
((ImageList)_imageLists[0]).Images.Add(IconReader.GetFileIcon(filePath, _iconSize, false)); //add to image list
}
AddExtension(extension.ToUpper(), pos); // add to hash table
return pos;
}
}
