在C#中,你可以使用WinForms或WPF来实现复选框的全选和反选功能。这里我将为你提供WinForms和WPF两种实现方法的示例代码。
WinForms实现:
public partial class MainForm : Form
{
public MainForm()
{
InitializeComponent();
}
private void btnToggleSelectAll_Click(object sender, EventArgs e)
{
ToggleSelectAll(checkBoxList1);
}
private void ToggleSelectAll(CheckBoxList checkBoxList)
{
bool isSelected = checkBoxList.CheckedItems.Count == checkBoxList.Items.Count;
foreach (var item in checkBoxList.Items)
{
item.Checked = !isSelected;
}
}
}
WPF实现:
<Window x:Class="WpfApp.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MainWindow" Height="450" Width="800">
<Grid>
<CheckBoxList x:Name="checkBoxList1" HorizontalAlignment="Left" Height="200" Margin="10,10,0,0" VerticalAlignment="Top" Width="760"/>
<Button Content="全选/反选" HorizontalAlignment="Left" Margin="10,210,0,0" VerticalAlignment="Top" Width="760" Click="btnToggleSelectAll_Click"/>
</Grid>
</Window>
private void btnToggleSelectAll_Click(object sender, RoutedEventArgs e)
{
ToggleSelectAll(checkBoxList1);
}
private void ToggleSelectAll(CheckBoxList checkBoxList)
{
bool isSelected = checkBoxList.CheckedItems.Count == checkBoxList.Items.Count;
foreach (var item in checkBoxList.Items)
{
item.IsChecked = !isSelected;
}
}
这样,你就可以在WinForms和WPF应用程序中实现复选框的全选和反选功能了。
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