public ImageSource GetIconImage(ResourceID id, bool icon)
{
IntPtr iconName;
using (var d = id.GetAsIntPtr(out iconName)) {
var hIcon = Win32.LoadImage(_hModule, iconName, icon ? Win32.ImageType.Icon : Win32.ImageType.Cursor, 0, 0, Win32.LoadImageFlags.None);
if (hIcon == IntPtr.Zero)
{
var bytes = GetResourceContent(id, icon ? ResourceID.Icon : ResourceID.Cursor);
hIcon = Win32.CreateIconFromResource(bytes, bytes.Length, icon, 0x30000);
if (hIcon == IntPtr.Zero)
{
return(null);
}
}
var source = Imaging.CreateBitmapSourceFromHIcon(hIcon, Int32Rect.Empty, BitmapSizeOptions.FromEmptyOptions());
if (icon)
{
Win32.DestroyIcon(hIcon);
}
else
{
Win32.DestroyCursor(hIcon);
}
return(source);
}
}
public byte[] GetResourceContent(ResourceID name, ResourceID type)
{
IntPtr iname, itype;
using (var d1 = name.GetAsIntPtr(out iname)) {
using (var d2 = type.GetAsIntPtr(out itype)) {
var hResource = Win32.FindResource(_hModule, iname, itype);
if (hResource == IntPtr.Zero)
{
return(null);
}
var hGlobal = Win32.LoadResource(_hModule, hResource);
if (hGlobal == IntPtr.Zero)
{
return(null);
}
var size = Win32.SizeofResource(_hModule, hResource);
var ptr = Win32.LockResource(hGlobal);
var buffer = new byte[size];
Marshal.Copy(ptr, buffer, 0, buffer.Length);
return(buffer);
}
}
}