public unsafe static Icon ExtractIconFromEXE(string file, bool large)
{
int readIconCount = 0;
IntPtr[] hDummy = new IntPtr[1] {
IntPtr.Zero
};
IntPtr[] hIconEx = new IntPtr[1] {
IntPtr.Zero
};
try
{
if (large)
{
readIconCount = (int)Icons.ExtractIconEx(file, 0, hIconEx, hDummy, 1);
}
else
{
readIconCount = (int)Icons.ExtractIconEx(file, 0, hDummy, hIconEx, 1);
}
if (readIconCount > 0 && hIconEx[0] != IntPtr.Zero)
{
Icon extractedIcon = (Icon)Icon.FromHandle(hIconEx[0]).Clone();
return(extractedIcon);
}
else
{
return(null);
}
}
catch (Exception ex)
{
throw new ApplicationException("Could not extract icon", ex);
}
finally
{
foreach (IntPtr ptr in hIconEx)
{
if (ptr != IntPtr.Zero)
{
Icons.DestroyIcon(ptr);
}
}
foreach (IntPtr ptr in hDummy)
{
if (ptr != IntPtr.Zero)
{
Icons.DestroyIcon(ptr);
}
}
}
}
private Icon GetIcon(string fileName, int iconID)
{
try
{
IntPtr hc = Icons.ExtractIcon(this.Handle, fileName, iconID);
if (!hc.Equals(IntPtr.Zero))
{
return(Icon.FromHandle(hc));
}
}
catch { }
return(null);
}
private Icon SHGetFileIcon(string fileName, int iconID, bool large)
{
Icons.SHFILEINFO info = new Icons.SHFILEINFO();
int cbFileInfo = Marshal.SizeOf(info);
Icons.SHGFI flags;
if (large)
{
flags = Icons.SHGFI.Icon | Icons.SHGFI.LargeIcon | Icons.SHGFI.UseFileAttributes;
}
else
{
flags = Icons.SHGFI.Icon | Icons.SHGFI.SmallIcon | Icons.SHGFI.UseFileAttributes;
}
Icons.SHGetFileInfo(fileName, 0x00000100, out info, (uint)cbFileInfo, flags);
return(Icon.FromHandle(info.hIcon));
}
