/// <summary>
/// Reads the icon group from a .ico file.
/// </summary>
/// <param name="path">Path to an icon file (.ico).</param>
internal void ReadFromFile(string path)
{
this.rawGroupIconInfo = new GroupIconInfo();
this.icons = new List <Resource>();
using (FileStream fs = File.Open(path, FileMode.Open, FileAccess.Read))
{
this.rawGroupIconInfo.ReadFromFile(fs);
// After reading the group icon info header from the file, read all the icons.
for (int i = 0; i < this.rawGroupIconInfo.DirectoryInfo.Length; ++i)
{
ushort index = this.rawGroupIconInfo.DirectoryInfo[i].imageIndex;
uint offset = this.rawGroupIconInfo.DirectoryInfo[i].imageOffset;
uint size = this.rawGroupIconInfo.DirectoryInfo[i].imageSize;
byte[] data = new byte[size];
fs.Seek(offset, SeekOrigin.Begin);
fs.Read(data, 0, data.Length);
Resource resource = new Resource(ResourceType.Icon, String.Concat("#", index), this.Locale, data);
this.icons.Add(resource);
}
}
this.dirty = true;
}
private void RefreshIconGroupInfo(byte[] refreshData)
{
this.rawGroupIconInfo = new GroupIconInfo();
this.icons = new List <Resource>();
if (refreshData != null)
{
this.rawGroupIconInfo.ReadFromResource(refreshData);
}
this.dirty = true;
}