/// <summary>
/// Enables accessing the form from another thread.
/// The parameters match those of AccessForm()
/// </summary>
///
/// <param name="action"> a string that names the action to perform on the form </param>
/// <param name="formText"> text that the form displays </param>
/// <param name="textColor"> a system color for displaying text </param>
private void AccessFormMarshal(string action, string textToDisplay, Color textColor)
{
AccessFormMarshalDelegate AccessFormMarshalDelegate1;
AccessFormMarshalDelegate1 = new AccessFormMarshalDelegate(AccessForm);
object[] args = { action, textToDisplay, textColor };
// Call AccessForm, passing the parameters in args.
base.Invoke(AccessFormMarshalDelegate1, args);
}
/// <summary>
/// Enables accessing the form from another thread. The parameters match those of AccessForm.
/// </summary>
/// <remarks>
/// Based on methods used by Jan Axelson in Serial Port Complete 2nd edition, except I use
/// BeginInvoke rather than Invoke, to avoid the deadlock issue.
/// </remarks>
/// <param name="userInterfaceAction">Enum that indicates which action to perform</param>
/// <param name="comPortData">Com Port data being returned if applicable</param>
private void AccessFormMarshal(ComPort.ComPortEvent userInterfaceAction, string comPortData)
{
AccessFormMarshalDelegate accessFormMarshalDelegate = new AccessFormMarshalDelegate(AccessForm);
object[] args = { userInterfaceAction, comPortData };
//Call AccessForm, passing the parameters in args. I use BeginInvoke, after reading several sources indicating
//it should be used to avoid a deadlock when the port is closed. Initially I saw it in Alex F.'s comments here:
//http://forums.codeguru.com/showthread.php?516248-RESOLVED-Serial-port-hangs-on-form-close, more explanation here:
//http://blogs.msdn.com/b/bclteam/archive/2006/10/10/top-5-serialport-tips-_5b00_kim-hamilton_5d00_.aspx. I'm not
//sure if there are any downsides yet, but it fixed the deadlock for me, and everything still seems to work okay.
base.BeginInvoke(accessFormMarshalDelegate, args);
}
/// <summary>
/// Enables accessing the form from another thread.
/// The parameters match those of AccessForm()
/// </summary>
///
/// <param name="action"> a string that names the action to perform on the form </param>
/// <param name="formText"> text that the form displays </param>
/// <param name="textColor"> a system color for displaying text </param>
private void AccessFormMarshal( string action, string textToDisplay, Color textColor )
{
AccessFormMarshalDelegate AccessFormMarshalDelegate1;
AccessFormMarshalDelegate1 = new AccessFormMarshalDelegate( AccessForm );
object[] args = { action, textToDisplay, textColor };
// Call AccessForm, passing the parameters in args.
base.Invoke(AccessFormMarshalDelegate1, args);
}
