编辑：这里是projekt本身http://www.fast-files.com/getfile.aspx?file=71686
我正在开发的项目希望成为一名易于管理的协议创建者。它可以创建动态文本字段。一行用于描述内容，另一行用于内容本身。由于多种原因，第2行有一个按钮作为红绿灯。我现在已经完成了事情的“Alpha”，我可以保存所有内容并加载它但问题是按钮的功能丢失了，我认为是因为他没有保存参考到事件处理程序。
namespace AmpelThingy
{
public class Load
{
public void Loading() {
StreamReader sR = new StreamReader(@"AA.xaml");
string text = sR.ReadToEnd();
sR.Close();
StringReader stringReader = new StringReader(text);
XmlReader xmlReader = XmlReader.Create(stringReader);
StackPanel wp = (StackPanel)System.Windows.Markup.XamlReader.Load(xmlReader);
((MainWindow)System.Windows.Application.Current.MainWindow).SP2.Children.Clear(); // clear the existing children
foreach (FrameworkElement child in wp.Children) // and for each child in the WrapPanel we just loaded (wp)
{
((MainWindow)System.Windows.Application.Current.MainWindow).SP2.Children.Add(CloneFrameworkElement(child)); // clone the child and add it to our existing wrap panel
}
}
FrameworkElement CloneFrameworkElement(FrameworkElement originalElement)
{
string elementString = XamlWriter.Save(originalElement);
StringReader stringReader = new StringReader(elementString);
XmlReader xmlReader = XmlReader.Create(stringReader);
FrameworkElement clonedElement = (FrameworkElement)XamlReader.Load(xmlReader);
return clonedElement;
}
}
}
namespace AmpelThingy
{
public class Save
{
public void Saving() {
StringBuilder outstr = new StringBuilder();
XmlWriterSettings settings = new XmlWriterSettings();
settings.Indent = true;
settings.OmitXmlDeclaration = true;
settings.NewLineOnAttributes = true;
XamlDesignerSerializationManager dsm = new XamlDesignerSerializationManager(XmlWriter.Create(outstr, settings));
dsm.XamlWriterMode = XamlWriterMode.Expression;
XamlWriter.Save(((MainWindow)System.Windows.Application.Current.MainWindow).SP2, dsm);
string savedControls = outstr.ToString();
File.WriteAllText(@"AA.xaml", savedControls);
}
}
}
namespace AmpelThingy
{
/// <summary>
/// Interaktionslogik für MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
this.Background = Brushes.Magenta;
stackPanel1.Width = Double.NaN;
stackPanel1.Height = Double.NaN;
stackPanel2.Width = Double.NaN; ;
stackPanel2.Height = Double.NaN;
AddWrapPanelMaster();
}
Button AddButtonSlave(Button but)
{
but.Click += new RoutedEventHandler(this.buttClickSlave);
return (but);
}
Button AddButtonSlaveAdd(Button but)
{
but.Click += new RoutedEventHandler(this.buttClickSlaveAdd);
return (but);
}
Button AddButtonMaster(Button but)
{
but.Click += new RoutedEventHandler(this.buttClickMaster);
return (but);
}
void buttClickSlaveAdd(Object sender, EventArgs e)
{
TextBox txtB1 = new TextBox();
txtB1.Background = System.Windows.Media.Brushes.Magenta;
txtB1.Text = "Text";
txtB1.Width = 75;
txtB1.Height = 75;
Button s = (Button)sender;
WrapPanel wp = (WrapPanel)s.Parent;
wp.Children.Remove(s);
wp.Children.Add(txtB1);
Button b = new Button();
b = AddButtonMaster(b);
b.Content = "Add";
b.Width = 75;
wp.Children.Add(b);
// Add the buttons to the parent WrapPanel using the Children.Add method.
}
void buttClickMaster(Object sender, EventArgs e)
{
TextBox txtB1 = new TextBox();
txtB1.Background = System.Windows.Media.Brushes.Magenta;
txtB1.Text = "Text";
txtB1.Width = 75;
txtB1.Height = 75;
Button s = (Button)sender;
WrapPanel wp = (WrapPanel)s.Parent;
wp.Children.Remove(s);
wp.Children.Add(txtB1);
Button b = new Button();
b = AddButtonMaster(b);
b.Content = "Add";
b.Width = 75;
wp.Children.Add(b);
// Add the buttons to the parent WrapPanel using the Children.Add method.
}
public StackPanel SP2
{
get { return stackPanel2; }
}
void buttClickSlave(Object sender, EventArgs e)
{
Button s = (Button)sender;
if (s.Background != Brushes.Blue && s.Background != Brushes.Red && s.Background != Brushes.Green)
s.Background = Brushes.Red;
else
if (s.Background == Brushes.Green)
s.Background = Brushes.Red;
else
if (s.Background == Brushes.Blue)
s.Background = Brushes.Green;
else
if (s.Background == Brushes.Red)
s.Background = Brushes.Blue;
}
void AddTextBox(Button sender) {
TextBox txtB1 = new TextBox();
txtB1.Text = "Text";
txtB1.Width = 75;
txtB1.Height = 75;
WrapPanel s = (WrapPanel)sender.Parent;
s.Children.Add(txtB1);
// Add the buttons to the parent WrapPanel using the Children.Add method.
}
void AddWrapPanelSlave() {
WrapPanel myWrapPanel = new WrapPanel();
myWrapPanel.Background = System.Windows.Media.Brushes.Azure;
myWrapPanel.Orientation = Orientation.Horizontal;
myWrapPanel.Width = 4000;
myWrapPanel.HorizontalAlignment = HorizontalAlignment.Left;
myWrapPanel.VerticalAlignment = VerticalAlignment.Top;
// Define 3 button elements. The last three buttons are sized at width
// of 75, so the forth button wraps to the next line.
Button btn1 = new Button();
btn1 = AddButtonSlave(btn1);
btn1.Content = "Button 1";
btn1.Width = 75;
Button btn2 = new Button();
btn2 = AddButtonSlaveAdd(btn2);
btn2.Content = "Button 2";
btn2.Width = 75;
// Add the buttons to the parent WrapPanel using the Children.Add method.
myWrapPanel.Children.Add(btn1);
myWrapPanel.Children.Add(btn2);
this.stackPanel1.Children.Add(myWrapPanel);
}
void AddWrapPanelMaster()
{
WrapPanel myWrapPanel = new WrapPanel();
SolidColorBrush mySolidColorBrush = new SolidColorBrush();
mySolidColorBrush.Color = Color.FromArgb(255, 0, 0, 255);
myWrapPanel.Background = System.Windows.Media.Brushes.Magenta;
myWrapPanel.Orientation = Orientation.Horizontal;
myWrapPanel.Width = 4000;
myWrapPanel.HorizontalAlignment = HorizontalAlignment.Left;
myWrapPanel.VerticalAlignment = VerticalAlignment.Top;
// Define 3 button elements. The last three buttons are sized at width
// of 75, so the forth button wraps to the next line.
TextBox txtB1 = new TextBox();
txtB1.Background = System.Windows.Media.Brushes.Magenta;
txtB1.Text = "Text";
txtB1.Width = 75;
txtB1.Height = 75;
Button btn1 = new Button();
btn1 = AddButtonMaster(btn1);
btn1.Content = "Add";
btn1.Width = 75;
// Add the buttons to the parent WrapPanel using the Children.Add method.
myWrapPanel.Children.Add(txtB1);
myWrapPanel.Children.Add(btn1);
this.stackPanel2.Children.Add(myWrapPanel);
}
private void button1_Click(object sender, RoutedEventArgs e)
{
AddWrapPanelSlave();
this.Show();
}
private void button2_Click(object sender, RoutedEventArgs e)
{
Load load = new Load();
load.Loading();
}
private void button3_Click(object sender, RoutedEventArgs e)
{
Save save = new Save();
save.Saving();
}
}
}