当界面上出现多组Radiobutton时,将所有的Radiobutton写在同一个Grid里面,导致系统认为所有的Radiobutton是同一组,造成选择混乱,解决的方法:
1.要为属于同个组的Radiobutton设置相同的GroupName,绑定同一个变量;
2.若没有为Radiobutton设置GroupName,则将属于同一组的Radiobutton放在一个容器中,如wrappannel里面。
通常为Radiobutton设置转化器,将不同的button上对应的值,与选中与不选中进行转换,下面展示例子,示例中有三种转换器:EnumToBoolConverter,IntToBoolConverter,FloatToBoolConverter。代码如下(示例采用的MVVM模式):
///model中代码
public enum ProtocolTypeDefine { RS232, RS485 } private ProtocolTypeDefine _protocolType; private int _dataBits; private float _stopBits; /// <summary> /// 协议类型 /// </summary> public ProtocolTypeDefine ProtocolType { get { return _protocolType; } set { _protocolType = value; RaisePropertyChanged( ()=>ProtocolType ); } } /// <summary> /// 数据位 /// </summary> public int DataBits { get { return _dataBits; } set { _dataBits = value; RaisePropertyChanged( ()=> DataBits ); } } /// <summary> /// 停止位 /// </summary> public float StopBits { get { return _stopBits; } set { _stopBits = value; RaisePropertyChanged( ()=>StopBits ); } }
//view.xaml中代码
<UserControl.Resources> <local:IntToBoolConverter x:Key="IntToBoolConverter"></local:IntToBoolConverter> <local:FloatToBoolConverter x:Key="FloatToBoolConverter"></local:FloatToBoolConverter> <local:EnumToBoolConverter x:Key="EnumToBoolConverter"></local:EnumToBoolConverter> </UserControl.Resources> <RadioButton Grid.Row="0" Grid.Column="0" Content="RS232" IsChecked="{Binding SerialSetModel.ProtocolType, Converter={StaticResource EnumToBoolConverter}, ConverterParameter= 0 }" HorizontalAlignment="Left" VerticalAlignment="Center"/> <RadioButton Grid.Row="0" Grid.Column="1" Content="RS485" IsChecked="{Binding SerialSetModel.ProtocolType, Converter={StaticResource EnumToBoolConverter}, ConverterParameter= 1 }" HorizontalAlignment="Left" VerticalAlignment="Center"/> <RadioButton Grid.Row="2" Grid.Column="1" GroupName="DataBits" Content="6" IsChecked="{Binding SerialSetModel.DataBits, Converter ={StaticResource IntToBoolConverter}, ConverterParameter= 6}"></RadioButton> <RadioButton Grid.Row="2" Grid.Column="2" GroupName="DataBits" Content="7" IsChecked="{Binding SerialSetModel.DataBits, Converter ={StaticResource IntToBoolConverter}, ConverterParameter= 7}"></RadioButton> <RadioButton Grid.Row="2" Grid.Column="3" GroupName="DataBits" Content="8" IsChecked="{Binding SerialSetModel.DataBits, Converter ={StaticResource IntToBoolConverter}, ConverterParameter= 8}"></RadioButton> <TextBlock Grid.Row="3" Grid.Column="0" Text="停止位:"></TextBlock> <RadioButton Grid.Row="3" Grid.Column="1" GroupName="StopBits" Content="1" IsChecked="{Binding SerialSetModel.StopBits, Converter={StaticResource FloatToBoolConverter},ConverterParameter= 1}"></RadioButton> <RadioButton Grid.Row="3" Grid.Column="2" GroupName="StopBits" Content="1.5" IsChecked="{Binding SerialSetModel.StopBits, Converter={StaticResource FloatToBoolConverter},ConverterParameter= 1.5}"></RadioButton> <RadioButton Grid.Row="3" Grid.Column="3" GroupName="StopBits" Content="2" IsChecked="{Binding SerialSetModel.StopBits, Converter={StaticResource FloatToBoolConverter},ConverterParameter= 2}"></RadioButton>
//view.cs中的代码
public class EnumToBoolConverter : IValueConverter { public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { int data = (int)value; string name = parameter.ToString(); switch (name) { case "0": return data == 0; case "1": return data == 1; default: return false; } } public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { return (ProtocolTypeDefine)int.Parse(parameter.ToString()); } } public class IntToBoolConverter : IValueConverter { public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { int data = (int)value; string name = parameter.ToString(); switch (name) { case "6": return data == 6; case "7": return data == 7; case "8": return data == 8; default: return false; } } public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { var data = (bool)value; if (data) { return System.Convert.ToInt32(parameter); } return -1; } } public class FloatToBoolConverter : IValueConverter { public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { float data = 0f; if (!float.TryParse(value.ToString(), out data)) { return false; } string name = parameter.ToString(); switch (name) { case "1": return data == 1; case "1.5": return data == 1.5; case "2": return data == 2; default: return false; } } public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { var data = (bool)value; if (data) { return System.Convert.ToSingle(parameter); } return -1; } }
//model中代码
//协议 SerialSetModel.ProtocolType = 0; //数据位 SerialSetModel.DataBits = 8; //停止位 SerialSetModel.StopBits = 1;
在此只贴出重要部分代码,使用时只要按照该原理进行组装即可。