wpf converter
wpf converter
動作未確認だが、Converterの実装方法を調査中。
xaml
I want to use WPF DataTrigger to check value greater than X. I know that this is only possible with IValueConverter. I have found many C# examples for that, but I need it in powershell. Could someone help me translate this to powershell?
The C# code to translate:
public class CutoffConverter : IValueConverter {
public object ConvertTo(object obj, Type type) {
return ((int)obj) > Cutoff;
}
public object ConvertFrom(object obj, Type type) {
throw new NotImplementedException();
}
public int Cutoff { get; set; }
}
And the XAML
<Window.Resources>
<myNamespace:CutoffConverter x:Key="AgeConverter"/>
</Window.Resources>
<DataTemplate.Triggers>
<DataTrigger Binding="{Binding Path=Age,
Converter={StaticResource AgeConverter},
ConverterParameter=30}">
<Setter TargetName="Age" Property="Foreground" Value="Red"/>
</DataTrigger>
</DataTemplate.Triggers>
c
$src = @'
using System;
using System.Globalization;
using System.Windows.Data;
namespace MyNamespace
{
public class CutoffConverter : IValueConverter
{
public int Cutoff { get; set; }
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
return ((int)value) > Cutoff;
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
throw new NotImplementedException();
}
}
}
'@
Add-Type -AssemblyName PresentationFramework
Add-Type -TypeDefinition $src -ReferencedAssemblies PresentationFramework
参考
https://stackoverflow.com/questions/14281671/how-to-use-ivalueconverter-from-poweshell
