How to Enable Password Mask in Editbox?

You have to enable ES_PASSWORD style of editbox and have to call SetPasswordChar() to set the Password masking character. You can do it in CDialog::OnInitDialog(). See the code snippet below.

BOOL CRabbitDlg::OnInitDialog()
{
   ... 

   // Get the Edit by using CtrlID.
   CEdit* pEdit = (CEdit*) GetDlgItem( IDC_EDIT_PASSWORD ); 

   // Set the password char.
   pEdit->SetPasswordChar( '*' ); 

   // Now modify the style to enable ES_PASSWORD.
   pEdit->ModifyStyle( 0, ES_PASSWORD ); 

   return TRUE;
}

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