最终的效果是这样的:
Sex列是bool类型:
public class User
{
public int Age { get; set; }
public string Name { get; set; }
public bool Sex { get; set; }
}
{
public int Age { get; set; }
public string Name { get; set; }
public bool Sex { get; set; }
}
先说一种图片资源的引用方式,在自定义控件中很有用,自定义控件通常我们放在单独的程序集中,只能用下面的方式引用图片:
"/程序集名称;component/图片.png";
实现过程就是:自定义DataGrid模板列和IValueConverter类。
<sdk:DataGrid x:Name="dgTest" AutoGenerateColumns="False">
<sdk:DataGrid.Resources>
<my:BoolToImageConverter x:Key="boolconvert"
TrueValue="/DataGridBoolConvert;component/06.png"
FalseValue="/DataGridBoolConvert;component/07.png"/>
</sdk:DataGrid.Resources>
<sdk:DataGrid.Columns>
<sdk:DataGridTextColumn
Header="Name"
Binding="{Binding Name}" />
<sdk:DataGridTemplateColumn Header="Sex">
<sdk:DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<Image Source="{Binding Sex, Converter={StaticResource boolconvert}}"
Width="20" Height="20" />
</DataTemplate>
</sdk:DataGridTemplateColumn.CellTemplate>
</sdk:DataGridTemplateColumn>
</sdk:DataGrid.Columns>
</sdk:DataGrid>
<sdk:DataGrid.Resources>
<my:BoolToImageConverter x:Key="boolconvert"
TrueValue="/DataGridBoolConvert;component/06.png"
FalseValue="/DataGridBoolConvert;component/07.png"/>
</sdk:DataGrid.Resources>
<sdk:DataGrid.Columns>
<sdk:DataGridTextColumn
Header="Name"
Binding="{Binding Name}" />
<sdk:DataGridTemplateColumn Header="Sex">
<sdk:DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<Image Source="{Binding Sex, Converter={StaticResource boolconvert}}"
Width="20" Height="20" />
</DataTemplate>
</sdk:DataGridTemplateColumn.CellTemplate>
</sdk:DataGridTemplateColumn>
</sdk:DataGrid.Columns>
</sdk:DataGrid>
public class BoolToImageConverter : BoolToValueConverter<string> { }
public class BoolToValueConverter<T> : IValueConverter
{
public T FalseValue { get; set; }
public T TrueValue { get; set; }
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
if (value == null)
return FalseValue;
else
return (bool)value ? TrueValue : FalseValue;
}
public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
return value != null ? value.Equals(TrueValue) : false;
}
}
public class BoolToValueConverter<T> : IValueConverter
{
public T FalseValue { get; set; }
public T TrueValue { get; set; }
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
if (value == null)
return FalseValue;
else
return (bool)value ? TrueValue : FalseValue;
}
public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
return value != null ? value.Equals(TrueValue) : false;
}
}