How to access the public methods of existing Windows Form

How to access the public methods of existing Windows Form

• CSIROSwan

  Give the man a cigar!! Solved my problem. Thanks very much!
  

• Knightendo

  cool. . .

  Thought about this after I posted.

  you might want to apply a factory pattern on that . . .

  hide the constructor, sync the instance. . . no need for the events. Read up on Static constructors and Factory Pattern:

  ==================
  public partial class MyForm : Form
  {
      static MyForm _instance;

      private static _sync; 
      static MyForm(){_sync = new object();}
      private MyForm(){}

      public static MyForm Instance
      {
          get
          {
              lock(_sync)
              {
                  if (_instance == null)
                      _instance = new MyForm();
              }
              return _instance;
          }
      } 

      protected override void OnClosed(EventArgs e)
      {
        _instance = null;
        base.OnClosed(e);
      }

  }

  ==================

  hmmm. . . does the close need to be synched

  do either need to be synched

   

  
  
  

• AGW

  well. . .is this a singleton form. . . meaning that the application can only have one instance of the form available to it

  if so. . .

  ==================

    public partial class MyForm : Form
    {
      static MyForm _instance;

      public static MyForm Instance
      {
        get { return MyForm._instance; }
      }

      public MyForm()
      {
        InitializeComponent();
        _instance = this;
      }

      protected override void OnLoad(EventArgs e)
      {
        if (MyFormLoaded != null) MyFormLoaded(this, EventArgs.Empty);
        base.OnLoad(e);
      }
      protected override void OnClosed(EventArgs e)
      {
        _instance = null;
        if (MyFormClosed != null) MyFormClosed(this, EventArgs.Empty);
        base.OnClosed(e);
      }

      public static event EventHandler MyFormLoaded;
      public static event EventHandler MyFormClosed;

    }

  ==================

  you can refer to the instance via MyForm.Instance. . .

  now the reason for the static events. . .

  lets say you have an openwindow menu item on the main form. . .well then

  ==================

    public partial class MainForm : Form
    {
      public MainForm()
      {
        InitializeComponent();
      }

      private void Form1_Load(object sender, EventArgs e)
      {
        MyForm.MyFormLoaded += new EventHandler(MyForm_Loaded);
        MyForm.MyFormClosed += new EventHandler(MyForm_Closed);

      }

      void MyForm_Loaded(object sender, EventArgs e)
      {
        openFormToolStripMenuItem.Enabled = false;
      }

      void MyForm_Closed(object sender, EventArgs e)
      {
        openFormToolStripMenuItem.Enabled = true;
      }

      private void openFormToolStripMenuItem_Click(object sender, EventArgs e)
      {
        new MyForm().Show();
      }
    }
  

  ==================

  Make sense

   

  
  
  
• How to access the public methods of existing Windows Form