public void Dispose()
{
if (Handle != IntPtr.Zero)
{
Twain.GlobalFree(Handle);
}
Handle = IntPtr.Zero;
}
public TwCapability(TwCap cap, short sval)
{
Cap = (short)cap;
ConType = (short)TwOn.One;
Handle = Twain.GlobalAlloc(0x42, 6);
IntPtr pv = Twain.GlobalLock(Handle);
Marshal.WriteInt16(pv, 0, (short)TwType.Int16);
Marshal.WriteInt32(pv, 2, (int)sval);
Twain.GlobalUnlock(Handle);
}
/// <summary>
///
/// </summary>
/// <param name="cap"></param>
/// <param name="str">Maximum 255 ASCII chars</param>
/// <param name="typ"></param>
public TwCapability(TwCap cap, string str, TwType typ)
{
Cap = (short)cap;
ConType = (short)TwOn.One;
Handle = Twain.GlobalAlloc(0x42, 258);
IntPtr pv = Twain.GlobalLock(Handle);
Marshal.WriteInt16(pv, 0, (short)typ);
int j;
for (j = 0; j < Math.Min(str.Length - 1, 255); j++)
{
Marshal.WriteByte(pv, 2 + j, (byte)(int)str[j]);
}
Marshal.WriteByte(pv, 2 + j, (byte)0);
Twain.GlobalUnlock(Handle);
}
