WPF

Gerry Schmitz wrote:

Access is at the "transaction level"; not "field".

Gerry Schmitz wrote:

Create specific "functions" (with UI) to accomplish what you want;

Gerry Schmitz wrote:

even if it means "duplicating" a screen and making some "fields" read-only for that case.

public static class AppCore
{
    // List of user's rights
    public static Dictionary<string, bool> Rights { get; set; }

    // Logs the user in
    public static void Login(string userName, string password)
    {
        // Login the user. If successful....

        // ....get their rights. In my app the User Object 
        // has the dictionary of rights on it. The user
        // object is returned from the BL with the dictionary
        // on it. It looks like this
        /*
        CurtentUser.Rights<"CanAddCustomer", true>;
        CurtentUser.Rights<"CanEditCustomer", true >;
        CurtentUser.Rights<"CanDeleteCustomer", true >;
        CurtentUser.Rights<"CustomerCreditLimit", true >;
        */
        // So after login, I do
        CurrentUser.Rights.ForEach(x => Rights.Add(x));

        // At this point, the app is up & running and I have access to 
        // the user's right from anywhere
    }

    public static bool HasAccess(string itemName)
    {
        return Rights.Where(x => x.Key == itemName).Select(x => x.Value).FirstOrDefault();
    }
}

BOOL bRet;

while( (bRet = GetMessage( &msg, hWnd, 0, 0 )) != 0)
{ 
    if (bRet == -1)
    {
        // handle the error and possibly exit
    }
    else
    {
        TranslateMessage(&msg); 
        DispatchMessage(&msg); 
    }
}

public class Application {
    private void Run() {

        // What code has Microsoft put here?

    }
}

GregJ7 wrote:

// What code has Microsoft put here?

public int Run()
{
    EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordGeneral | EventTrace.Keyword.KeywordPerf, EventTrace.Event.WClientAppRun);
    return this.Run(null);
}

public int Run(Window window)
{
    VerifyAccess();
    
    //
    // Browser hosted app should not explictly call App.Run(). We need to filter out those
    // calls here
    //
    if (InBrowserHostedApp())
    {
        throw new InvalidOperationException(SR.Get(SRID.CannotCallRunFromBrowserHostedApp));
    }
    else
    {
        return RunInternal(window);
    }
}

while(frame.Continue)
{
    if (!GetMessage(ref msg, IntPtr.Zero, 0, 0))
        break;

    TranslateAndDispatchMessage(ref msg);
}