Env*_*ger 5 c# wpf datagrid datagridcolumn dynamicresource
所以,例如我有一些简单模型的MVVM WPF应用程序:
public class MyObject
{
public string F1 { get; set; }
public string F2 { get; set; }
}
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和创建3行的简单视图模型:
public class MyViewModel
{
public ObservableCollection<MyObject> Objects { get; set; }
public MyViewModel()
{
Objects = new ObservableCollection<MyObject>
{
new MyObject{F1 = "V1",F2 = "B1"},
new MyObject{F1 = "V2",F2 = "B2"},
new MyObject{F1 = "V3",F2 = "V3"}
};
}
}
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在视图中我有一个DataGrid手动定义的列和我设置的每一列CellStyle.两种样式都在Window.Resources块中定义.但对于第一列,我使用StaticResource和第二列DynamicResource
查看XAML:
<Window x:Class="WpfApplication12.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" x:Name="WholeWindow">
<Window.Resources>
<Style x:Key="BaseCellClass" TargetType="DataGridCell">
<Setter Property="Foreground" Value="Blue" />
</Style>
</Window.Resources>
<Grid>
<DataGrid AutoGenerateColumns="False" ItemsSource="{Binding ElementName=WholeWindow, Path=ViewModel.Objects}">
<DataGrid.Columns>
<DataGridTextColumn Binding="{Binding F1}" Header="F1" CellStyle="{StaticResource BaseCellClass}" />
<DataGridTextColumn Binding="{Binding F2}" Header="F2" CellStyle="{DynamicResource BaseCellClass}" />
</DataGrid.Columns>
</DataGrid>
</Grid>
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所以问题是:在第二列中,资源不会应用于列.

您可以为您的属性创建资源DataGridCell Style,然后在定义DynamicResource中将它们引用为Style:
根据您的示例,它看起来像这样:
<Window.Resources>
<SolidColorBrush x:Key="ForegroundBrush" Color="Blue"/>
<Style x:Key="BaseCellClass" TargetType="DataGridCell">
<Setter Property="Foreground" Value="{DynamicResource ForegroundBrush}" />
</Style>
</Window.Resources>
<Grid>
<DataGrid AutoGenerateColumns="False" ItemsSource="{Binding ElementName=WholeWindow, Path=ViewModel.Objects}">
<DataGrid.Columns>
<DataGridTextColumn Binding="{Binding F1}" Header="F1" CellStyle="{StaticResource BaseCellClass}" />
<DataGridTextColumn Binding="{Binding F2}" Header="F2" CellStyle="{StaticResource BaseCellClass}" />
</DataGrid.Columns>
</DataGrid>
</Grid>
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当然,资源将位于单独的资源文件中。
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