我有 4 个复选框,一个全选,另外三个是子复选框。当我检查全部时,我想检查所有三个子复选框,当我取消选择一个复选框时,主复选框检查全部将被取消选中。
<Window x:Class="checkboxWPF.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 Name="grdOne">
<CheckBox Content="Check"
Checked="checkBox1_Checked"
Unchecked="checkBox1_Unchecked"
Height="16"
HorizontalAlignment="Left"
Margin="39,23,0,0"
Name="checkBox1"
VerticalAlignment="Top">
</CheckBox>
<CheckBox Content="One"
Unchecked="checkBox2_Unchecked"
IsChecked="{Binding Path=Ischecked, ElementName=checkBox1, Mode=TwoWay}"
Height="16"
HorizontalAlignment="Left"
Margin="117,67,0,0"
Name="checkBox2"
VerticalAlignment="Top" />
<CheckBox Content="Two"
Unchecked="checkBox3_Unchecked"
IsChecked="{Binding Path=Ischecked, ElementName=checkBox1, Mode=TwoWay}"
Height="16"
HorizontalAlignment="Left"
Margin="118,103,0,0"
Name="checkBox3"
VerticalAlignment="Top" />
<CheckBox Content="Three"
IsChecked="{Binding Path=Ischecked, ElementName=checkBox1, Mode=TwoWay}"
Height="16"
HorizontalAlignment="Left"
Margin="117,145,0,0"
Name="checkBox4"
VerticalAlignment="Top" />
<CheckBox Content="Four"
IsChecked="{Binding Path=Ischecked, ElementName=checkBox1, Mode=TwoWay}"
Height="16"
HorizontalAlignment="Left"
Margin="118,190,0,0"
Name="checkBox5"
VerticalAlignment="Top" />
</Grid>
</Window>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}
private void checkBox1_Checked(object sender, RoutedEventArgs e)
{
if (checkBox1.IsChecked == true)
{
checkBox2.IsChecked = true;
checkBox3.IsChecked = true;
}
}
private void checkBox1_Unchecked(object sender, RoutedEventArgs e)
{
//if (checkBox1.IsChecked == false)
//{
// checkBox2.IsChecked = false;
// checkBox3.IsChecked = false;
//}
}
private void checkBox2_Unchecked(object sender, RoutedEventArgs e)
{
if (checkBox2.IsChecked == false)
{
checkBox1.IsChecked = false;
}
}
private void checkBox3_Unchecked(object sender, RoutedEventArgs e)
{
if (checkBox3.IsChecked == false)
{
checkBox1.IsChecked = false;
}
}
}