// open device; mode is selected depending on state of NativeData
// => see OpenNative() and OpenPAnsiChar()
private bool OpenIRCom()
{
UpdateForm update = new UpdateForm(MainForm.UpdateMessageBox);
try
{
if (NativeMode == true)
{
Native = new dlgtNative(MyCallBackNative);
return(InitNative(Native));
}
else
{
PAnsiChar = new dlgtPAnsiChar(MyCallBackPAnsiChar);
return(InitPAnsiChar(PAnsiChar));
}
}
catch (DllNotFoundException)
{
MainForm.Invoke(update, true,
String.Format("ERROR: unable to find DLL '{0}'!\r\n", USB_IRRR_DllName));
return(false);
}
catch (SEHException)
{
MainForm.Invoke(update, true,
String.Format("ERROR: SEHException occured!\r\nRestart the application to change the mode or use a DLL version above 1.0.0.10."));
return(false);
}
}
// method to close device and to delete references
public bool CloseDevice()
{
try
{
if (NativeMode)
{
Native = null;
return(InitNative(null));
}
else
{
PAnsiChar = null;
return(InitPAnsiChar(null));
}
}
catch //(DllNotFoundException)
{
return(false);
}
}
private static extern bool InitNative(dlgtNative dlgt);
