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How do you open an example form on a modal path?

I tried this. ShowDialog () but this form does not appear modal (you can still use other forms). I think this is because it is in its original form, if it shows itself, but I'm not sure.

My problem:

I have an application of 2 forms:

  1. mainform
  2. LoginForm

MainForm creates an example of LoginForm to ask the user to authenticate And opens. There is a timer to check in regularly LoginForm and log in to the user - I want to open this timer LoginForm modally I know that this timer should be < Code> main form , but I would like to know how to create an example of a form ShowDialog () .

Thanks in advance.

Make sure that you ShowDialog after initial element : 

  public newForm () {InitializeComponent (); This. ShowDialog (); }

My Exams

I have Form2 : 

  public partial Category form 2: Form {public form 2 ()} // Public caller ShowModalForm () {InitializeComponent ();); ShowDialog (); }}

And without any parent start it on the main and it starts modally: 

  Fixed class program {[STAThread] static Zero Main () {New Form2 () ShowModalForm () .; // application. Aaron (new form 1 ()); }}


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