/// <summary>
/// Read an icon resource from a previously loaded module.
/// </summary>
/// <param name="hModule">Module handle.</param>
/// <param name="lpRes">Pointer to a directory entry in the hardware-independent icon resource.</param>
/// <returns>Pointer to the end of the icon resource.</returns>
internal override IntPtr Read(IntPtr hModule, IntPtr lpRes)
{
_header = (Kernel32.GRPICONDIRENTRY)Marshal.PtrToStructure(
lpRes, typeof(Kernel32.GRPICONDIRENTRY));
IntPtr hIconInfo = Kernel32.FindResourceEx(
hModule, _type.Id, (IntPtr)_header.nID, _language);
if (hIconInfo == IntPtr.Zero)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
IntPtr hIconRes = Kernel32.LoadResource(hModule, hIconInfo);
if (hIconRes == IntPtr.Zero)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
IntPtr dibBits = Kernel32.LockResource(hIconRes);
if (dibBits == IntPtr.Zero)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
ReadImage(dibBits, (UInt32)Kernel32.SizeofResource(hModule, hIconInfo));
return(new IntPtr(lpRes.ToInt32() + Marshal.SizeOf(_header)));
}
/// <summary>
/// Read an icon resource from a previously loaded module.
/// </summary>
/// <param name="hModule">Module handle.</param>
/// <param name="lpRes">Pointer to a directory entry in the hardware-independent icon resource.</param>
/// <returns>Pointer to the end of the icon resource.</returns>
internal override IntPtr Read(IntPtr hModule, IntPtr lpRes)
{
_header = (Kernel32.GRPICONDIRENTRY)Marshal.PtrToStructure(
lpRes, typeof(Kernel32.GRPICONDIRENTRY));
IntPtr hIconInfo = Kernel32.FindResourceEx(
hModule, _type.Id, (IntPtr) _header.nID, _language);
if (hIconInfo == IntPtr.Zero)
throw new Win32Exception(Marshal.GetLastWin32Error());
IntPtr hIconRes = Kernel32.LoadResource(hModule, hIconInfo);
if (hIconRes == IntPtr.Zero)
throw new Win32Exception(Marshal.GetLastWin32Error());
IntPtr dibBits = Kernel32.LockResource(hIconRes);
if (dibBits == IntPtr.Zero)
throw new Win32Exception(Marshal.GetLastWin32Error());
ReadImage(dibBits, (UInt32) Kernel32.SizeofResource(hModule, hIconInfo));
return new IntPtr(lpRes.ToInt32() + Marshal.SizeOf(_header));
}
