1
我想創建一個靜態字符串來顯示反饋消息。將靜態類中的靜態字符串綁定到文本框
Configuration.cs
namespace WpfApplication1
{
public static class Configuration
{
public static string Message { get; set; }
}
}
MainWindow.xaml
<Window x:Class="WpfApplication1.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MainWindow" Height="350" Width="525">
<Grid>
<TextBlock HorizontalAlignment="Left" Margin="69,92,0,0"
TextWrapping="Wrap"
Text="{Binding Source={x:Static s:Configuration.Message}}"
VerticalAlignment="Top" Height="119" Width="366"/>
</Grid>
</Window>
MainWindow.xaml.cs
namespace WpfApplication1
{
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
Calc calculation = new Calc();
int calc = calculation.add(1, 3);
}
}
}
Calc.cs
namespace WpfApplication1
{
class Calc
{
public int add(int a, int b)
{
int c = 0;
try
{
c = a + b;
}
catch (Exception ex)
{
Configuration.Message = ex.Message; // I want to show this message.
}
return c;
}
}
}
因此,如果程序在Calc.cs中有錯誤,它將更改Configuration.Message中的值。
我想爲此使用數據綁定。你能給我任何建議或示例代碼嗎?
謝謝。
靜態類無法實現'INotifyPropertyChanged'接口屬性創建靜態類自己的事件,如果這就是你問 – dkozl