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Multiple Forms

Posted on 2004-09-27
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Last Modified: 2010-04-15
I have 2 forms.  Form1 and Form2.  When the program starts, I want Form1 to be displayed.  When a button is pressed, I want Form1 to disappear and Form2 to be visible.  What is the button_click code to make this happen?  I am used to VB...  Form1.Visible = false, Form2.Visible = true etc :)

Thanks,
Tony
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Question by:fattumsdad
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8 Comments
 
LVL 10

Expert Comment

by:eternal_21
ID: 12162798
Are you going to use Form1 again?  Or if you do, will it be a 'new' Form1?
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LVL 15

Expert Comment

by:praneetha
ID: 12162855
try form1.hide=true;
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LVL 10

Expert Comment

by:eternal_21
ID: 12162863
Since your application is probably using,

  Application.Run(new Form1());

The most simple code is:

  Hide();
  new Form2().Show();
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LVL 1

Author Comment

by:fattumsdad
ID: 12162942
eternal,

I'll be switching between both forms.  I am using Application.Run(new MainForm());  The second form I'm using is frmAdmin...  I tried Hide(); frmAdmin().Show() to no avail :(  Also tried MainForm.hide = true...  
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LVL 1

Author Comment

by:fattumsdad
ID: 12162999
I added:

this.visible = false;

And that will hide Form1...  now I just have to get Form2 open LOL
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LVL 10

Accepted Solution

by:
eternal_21 earned 500 total points
ID: 12163052
Okay, IN YOUR MAIN FORM change:

  public MainForm()
  {
    //
    // Required for Windows Form Designer support
    //
    InitializeComponent();

    //
    // TODO: Add any constructor code after InitializeComponent call
    //
  }

to:

  public frmAdmin AdminForm;

  public MainForm()
  {
    //
    // Required for Windows Form Designer support
    //
    InitializeComponent();

    //
    // TODO: Add any constructor code after InitializeComponent call
    //
    AdminForm = new frmAdmin(this);
  }

  private void SwitchToAdminForm()
  {
    AdminForm.Show();
    Hide();
  }


AND IN YOUR ADMIN FORM, change:

  public frmAdmin()
  {
    //
    // Required for Windows Form Designer support
    //
    InitializeComponent();

    //
    // TODO: Add any constructor code after InitializeComponent call
    //
  }

to:

  MainForm mainForm;

  public frmAdmin(MainForm mainForm)
  {
    //
    // Required for Windows Form Designer support
    //
    InitializeComponent();

    //
    // TODO: Add any constructor code after InitializeComponent call
    //
    this.mainForm = mainForm;
  }

  public void SwitchToMain()
  {
    mainForm.Show();
    Hide();
  }


And then in your buttons, or whatever you can call the respective SwitchToMain, and SwitchToAdmin methods!
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LVL 10

Expert Comment

by:eternal_21
ID: 12163071
Sorry, I meant to explicitly declare,

  public frmAdmin AdminForm
  private void SwitchToAdminForm()
  MainForm mainForm;
  public void SwitchToMain()

all as Private, so if you want to change them they should look like:

  private frmAdmin AdminForm
  private void SwitchToAdminForm()
  private MainForm mainForm;
  private void SwitchToMain()

(Just like to keep the code consistent, will not affect operation - you can always make them public/internal later if you have a need).
0
 
LVL 1

Author Comment

by:fattumsdad
ID: 12163234
Right on!  Thanks a lot (again)!
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