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Accepted
Fran Pino
Asked: 2020-08-03 23:28:04 +0800 CST 2020-08-03 23:28:04 +0800 CST

webBrowser control not loading

  • 772

You will see I have a webBroser to which I pass a url like this:

public Marcador()
    { 
        InitializeComponent();       
    }
public void playGol(String url)
    {          
        webBrowser1.Navigate(url);
    }

When I call the method playGol()from another form webBroser1it doesn't show me anything, a blank screen, however if I put the sentence: webBrowser1.Navigate("http://---");in the constructor the web loads me correctly, does anyone know why it happens? (The URL parameter gets the web address well)

Another thing is that I try to open a SWF and what it does is open Chrome and download the file, how can I make it open webBroserand not chrome and show me (not download) the SWF?

Thanks in advance

Edit: I call it from another form:

private void btnGol_Click(object sender, EventArgs e) 
{ 
Marcador marcador = new Marcador();
 marcador.playGol(@"C:\gol2.swf"); 
}
c#

1 Answers

  1. Best Answer

    I don't know how you call Formfrom the other, but imagining you have some global class for it:

    Class AdministradorDeForms, handles your forms in the program:

    public class AdministradorDeForms
{
    public Form1 FormConWebBrowser; 
    public Form2 FormQueLoLlama;

    public AdministradorDeForms()
    {
        FormConWebBrowser = new Form1(this); // Ambos apuntan hacia esta instancia
        FormQueLoLlama = new Form2(this);    // para navegar.
        FormConWebBrowser.Show();            // Muestra el form con el webBrowser
    }
}

    Form1 (The Formone with the WebBrowser):

    public partial class Form1 : Form
{
    private AdministradorDeForms Admin;
    public Form1() { InitializeComponent(); }
    public Form1(AdministradorDeForms frm) { InitializeComponent(); Admin = frm; }
    public void playGol(string Url)
    {
        webBrowser1.Navigate(Url);
        // Solo por si acaso, actualizamos el form y el webBrowser.
        webBrowser1.Refresh(); this.Refresh();
    }
    // Otras implementaciones y eventos...
}

    Form2 (The Formone you are going to call to Form1navigate):

    public partial class Form2 : Form
{
    private AdministradorDeForms Admin;
    public Form2() { InitializeComponent(); }
    public Form2(AdministradorDeForms frm) { InitializeComponent(); Admin = frm; }

    private void AlgunObjeto_Accion(...)
    {
        // Supongamos que obtenemos la url de cualquier otro lugar, yo pondré un string 
        string url = "https://google.com/";
        // Llamamos al administrador para navegar en el otro form:
        Admin.FormConWebBrowser.playGol(url); // Debería de funcionar :D
    }
    // Otras implementaciones y eventos...
}

    In AlgunObjeto_Accion(...)it you must change the name and its event parameters for the object that is going to execute the navigation in the other Formand the class AdministradorDeFormsinstantiates it at the beginning of the program, in void Main()your application.

    EDIT : For what you implement, you are calling a new instance from a button, it is better to do this following:

    Let's imagine that you have your form like this Marcador:

    // Form marcador
public partial class Marcador : Form
{
    private string URL; // Creamos un campo url para pasarlo por el inicializador
    public Marcador() { InitializeComponent(); } 
    public Marcador(string url) { InitializeComponent(); URL = url; }
    private void Marcador_Load(object sender, EventArgs e)
    {
        webBrowser1.Navigate(URL); // Al mostrar el formulario, entonces sale esto!
        webBrowser1.Refresh(); // Por si acaso.
    }
}

    And in this Formyou have the button:

    // Form que llama al marcador con el botón:
public partial class Form1 : Form
{
    private void btnGol_Click(object sender, EventArgs e) 
    { 
        // Al hacer click en el botón btnGol, se crea una nueva instancia
        // con la URL
        Marcador marcador = new Marcador(@"C:\gol2.swf"); 
        marcador.Show(); // Y se muestra el form....
    }
}
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