Re: Minimalist fruit basket program in C# 3.0
- From: Jamal Mazrui <empower@xxxxxxxxx>
- To: programmingblind@xxxxxxxxxxxxx
- Date: Wed, 21 Nov 2007 11:42:49 -0500 (EST)
I tested with JAWS 9 and found the problems you reported. It is
frustrating that JAWS still has problems with common controls of the
.NET Framework. They have been reported to FS, but the fixes are slow
in coming.
Jamal
On Wed, 21 Nov 2007, Octavian Rasnita wrote:
> Date: Wed, 21 Nov 2007 17:37:25 +0200
> From: Octavian Rasnita <orasnita@xxxxxxxxx>
> Reply-To: programmingblind@xxxxxxxxxxxxx
> To: programmingblind@xxxxxxxxxxxxx
> Subject: Re: Minimalist fruit basket program in C# 3.0
>
> Hmm, it looks closer and closer to perl. :-)
>
> I've seen constructs like:
>
> var btnAdd = new Button {Text = "&Add", Parent = tlp};
>
> Isn't possible in .net 2.0 to do this?
> Anyway, I think in .net 2.0 is not possible to not define the type of
> vars...
>
> I think the biggest advantages is that it is not needed to specify the types
> of vars, and now it allows that hash-style of calling the methods with
> parameters, that's also great.
>
> The accessibility of WinForms is not so good though.
>
> I've tried with Jaws 6 and 8, and with Jaws 6 after deleting the fruit from
> the list using alt+D, Jaws still thought that the fruit is there on the list
> if it was the latest fruit.
>
> With Jaws 8 is a little bit worse because if there is nothing on the list,
> it doesn't say anything when pressing Insert+tab. At least Jaws 6 says that
> the focus is on a list box...
>
> Does anyone know if VS.net 2008 is accessible?
>
> Octavian
>
> ----- Original Message -----
> From: "Jamal Mazrui" <empower@xxxxxxxxx>
> To: <programmingblind@xxxxxxxxxxxxx>
> Sent: Wednesday, November 21, 2007 3:42 PM
> Subject: Minimalist fruit basket program in C# 3.0
>
>
> > From the archive at
> > http://www.EmpowermentZone.com/cs3_fruit.zip
> >
> > This fruit basket program is written in C# 3.0: a language update
> > officially released by Microsoft along with the .NET Framework 3.5 and
> > Visual Studio 2008. Visual C# 2008 Express is a free download that
> > includes the new .NET Framework and SDK.
> >
> > The archive includes a batch file, compile.bat, which invokes the
> > command-line compiler to create an executable, cs3_fruit.exe, which is
> > about 6K in size. No other files are needed to run the program -- as long
> > as .NET 3.5 is installed.
> >
> > Language enhancements to C# 3.0 include functional and dynamic programming
> > constructs, in-line data queries, inferred typing of local variables, and
> > property initialization when calling an object constructor. A technical
> > overview is at
> > http://msdn2.microsoft.com/en-us/library/bb308966.aspx
> >
> > This program uses new language features to be minimalist in the code
> > required to meet the fruit basket specification at
> > http://FruitBasketDemo.AlacornComputer.com
> >
> > No variable types are explicitly declared, each control is specified in a
> > single statement, and lambda expressions are used for event handlers. The
> > included source code is also pasted below.
> >
> > Jamal
> >
> > /*
> > content of cs3_fruit.cs
> > Fruit Basket program in C# 3.0
> > Public domain by Jamal Mazrui
> > */
> >
> > // Import namespaces
> > using System;
> > using System.Windows.Forms;
> >
> > // Define class
> > class FruitBasket {
> >
> > // Define entry point of program
> > static void Main() {
> > // Create controls;
> > var tlp = new TableLayoutPanel {ColumnCount = 3, RowCount = 2};
> > var lblFruit = new Label {Text = "&Fruit:", Parent = tlp};
> > var txtFruit = new TextBox {Parent = tlp};
> > var btnAdd = new Button {Text = "&Add", Parent = tlp};
> > var lblBasket = new Label {Text = "&Basket:", Parent = tlp};
> > var lstBasket = new ListBox {Parent = tlp};
> > var btnDelete = new Button {Text = "&Delete", Parent = tlp};
> >
> > // Define Add event handler;
> > btnAdd.Click += (o, e) => {
> > var sFruit = txtFruit.Text.Trim();
> > if (sFruit == "") MessageBox.Show("No fruit to add!", "Alert");
> > else {
> > lstBasket.Items.Add(sFruit);
> > txtFruit.Clear();
> > lstBasket.SelectedIndex = lstBasket.Items.Count - 1;
> > }
> > };
> >
> > // Define Delete event handler;
> > btnDelete.Click += (o,e) => {
> > var iFruit = lstBasket.SelectedIndex;
> > if (iFruit == -1) MessageBox.Show("No fruit to delete!", "Alert");
> > else {
> > lstBasket.Items.RemoveAt(iFruit);
> > if (iFruit == lstBasket.Items.Count) iFruit--;
> > lstBasket.SelectedIndex = iFruit;
> > }
> > };
> >
> > // Finalize dialog;
> > var dlg = new Form {Text = "Fruit Basket", AcceptButton = btnAdd,
> > StartPosition = FormStartPosition.CenterScreen, AutoSize = true,
> > AutoSizeMode = AutoSizeMode.GrowAndShrink};
> > dlg.Controls.Add(tlp);
> > // Define closing event handler
> > dlg.Closing += (o, e) => e.Cancel = (MessageBox.Show("Close program?",
> > "Confirm", MessageBoxButtons.YesNo) == DialogResult.No);
> > dlg.ShowDialog();
> > } // Main method
> > } // FruitBasket class
> >
> > // End of cs3_fruit.cs
> >
> > __________
> > View the list's information and change your settings at
> > //www.freelists.org/list/programmingblind
> >
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