private bool manageBothSizes__ = false; //flag, used to determine whether to create two ImageLists.
#endregion Fields
#region Constructors
public FilesIconListManager(ImageList _imageList, IconReader.IconSize _iconSize )
{
// Initialise the members of the class that will hold the image list we're
// targeting, as well as the icon size (32 or 16)
imageLists__.Add( _imageList );
iconSize__ = _iconSize;
}
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
Icon small = IconReader.GetFileIcon(_filePath, IconReader.IconSize.Small, false);
((ImageList)imageLists__[0]).Images.Add(small);
Api.DestroyIcon(small.Handle);
Icon large = IconReader.GetFileIcon(_filePath, IconReader.IconSize.Large, false);
((ImageList)imageLists__[1]).Images.Add(large);
Api.DestroyIcon(large.Handle);
}
else
{
//only doing one size, so use IconSize as specified in _iconSize.
Icon small = IconReader.GetFileIcon(_filePath, iconSize__, false);
((ImageList)imageLists__[0]).Images.Add(small); //add to image list
Api.DestroyIcon(small.Handle);
}
AddExtension(extension.ToUpper(), pos); // add to hash table
return(pos);
}
}