.net Micro framework ---WPF
在开发一般Windows程序时，有VS设计时的支持。然而，我们在开发.net MF的应用程序时，就没有那么幸运了。
在开发.net MF的应用程序时，vs 没有提供设计时的支持，所以我们必须自己写代码创建一个窗体，窗体上添加控件，等。
写代码创建窗体，控件时，需要我们对窗体的层次结构有所了解。
在下面我们创建一个实例，来明窗体创建的过程。
Windows｜-> StackPanel ｜-> TextFlow
｜-> TextFlow
｜-> ListBox ｜->ListBoxItem
code:
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/*
*
*filename: Micro Framework Learning
*作者：wolf
*完成日期：2007.11.8
*功能： -------------------------
*开发工具：vs2005
*/
using System;
using System.Collections;
using System.Threading;
using Microsoft.SPOT;
using Microsoft.SPOT.Input;
using Microsoft.SPOT.Hardware;
using Microsoft.SPOT.Presentation;
using Microsoft.SPOT.Presentation.Media;
using Microsoft.SPOT.Presentation.Controls;
using Microsoft.SPOT.Presentation.Shapes;
namespace testMFWindowApplication
{
public class Program : Microsoft.SPOT.Application
{
private Window mainWindow;
private void OnButtonUp(object sender, ButtonEventArgs e)
{
// Print the button code to the Visual Studio output window.
Debug.Print(e.Button.ToString());
}
public static void Main()
{
Program myApplication = new Program();
Window mainWindow = new MainMenuWindow();//myApplication.CreateWindow();
// Create the object that configures the GPIO pins to buttons.
GPIOButtonInputProvider inputProvider = new GPIOButtonInputProvider(null);
// Start the application
myApplication.Run(mainWindow);
}
}
internal sealed class MainMenuWindow : Window
{
private ListBox m_listbox;
public ListBox MainListBox { get { return m_listbox; } }
public MainMenuWindow()
{
Font f = Resources.GetFont(Resources.FontResources.NinaB);
Color instructionTextColor = ColorUtility.ColorFromRGB(255, 255, 255);
Color backgroundColor = ColorUtility.ColorFromRGB(0, 18, 0);
Color unselectedItemColor = ColorUtility.ColorFromRGB(192, 192, 255); // Unselected listbox item color
Color selectedItemColor = Colors.Red; // Selected listbox item color
// The Main window contains a veritcal StackPanel
StackPanel panel = new StackPanel(Orientation.Vertical);
this.Child = panel;
// The top child contains text with instructions
TextFlow textflow = new TextFlow();
textflow.TextAlignment = TextAlignment.Left;
textflow.Visibility = Visibility.Visible;
textflow.TextRuns.Add(
new TextRun(Resources.GetString(Resources.StringResources.String1),
f, instructionTextColor));
panel.Children.Add(textflow);
// Add a blank line to the stack
panel.Children.Add(textflow = new TextFlow());
textflow.TextRuns.Add(Resources.GetString(Resources.StringResources.Blank), f, instructionTextColor);
textflow.Visibility = Visibility.Visible;
// The next child contains a listbox with options
m_listbox = new ListBox();
// Prepare the listbox
Buttons.Focus(m_listbox);
panel.Children.Add(m_listbox);
this.Background = m_listbox.Background = new SolidColorBrush(backgroundColor);
m_listbox.SelectionChanged += delegate(Object sender, SelectionChangedEventArgs e)
{
Int32 previousSelectedIndex = e.PreviousSelectedIndex;
if (previousSelectedIndex != -1)
{ // If there was a previous index
// Change previously-selected listbox item color to unselected color
((Text)m_listbox.Items[previousSelectedIndex].Child).ForeColor = unselectedItemColor;
}
// Change newly-selected listbox item color to selected color
((Text)m_listbox.Items[e.SelectedIndex].Child).ForeColor = selectedItemColor;
};
// Add the items to the listbox
foreach (String s in new String[] { "Application Setting", "Upload Data", "Down Data", "Start Work" })
{
Text text = new Text(f,s);
text.ForeColor = unselectedItemColor;
text.TextAlignment = TextAlignment.Center;
ListBoxItem lbi = new ListBoxItem();
lbi.Background = m_listbox.Background;
lbi.Child = text;
m_listbox.Items.Add(lbi);
}
m_listbox.SelectedIndex = 0;
// Add a blank line in the stack
panel.Children.Add(textflow = new TextFlow());
textflow.TextRuns.Add(" ", f, instructionTextColor);
textflow.Visibility = Visibility.Visible;
//// The bottom child contains text with return instructions
textflow = new TextFlow();
textflow.TextAlignment = TextAlignment.Center;
textflow.Visibility = Visibility.Visible;
textflow.TextRuns.Add(
new TextRun("(After viewing a Panel Demo, hit Enter to return to this screen)",
f, unselectedItemColor));
panel.Children.Add(textflow);
}
protected override void OnButtonDown(ButtonEventArgs e)
{
// If <Enter> button is pressed, go into the selected demo
if (e.Button == Button.Select)
{
switch (MainListBox.SelectedIndex) {
case 0:
Debug.Print("你刚刚按下按键："+ MainListBox.SelectedIndex.ToString());
break;
case 1:
Debug.Print("你刚刚按下按键：" + MainListBox.SelectedIndex.ToString());
break;
case 2:
Debug.Print("你刚刚按下按键：" + MainListBox.SelectedIndex.ToString());
break;
case 3:
Debug.Print("你刚刚按下按键：" + MainListBox.SelectedIndex.ToString());
break;
}
}
// Don't call base implementation (base.OnButtonDown) or we'll go back Home
}
protected override void OnGotFocus(FocusChangedEventArgs e)
{
// Whenever this window gets focus, it gives it to its listbox
Buttons.Focus(m_listbox);
base.OnGotFocus(e);
}
}
}