private object _ProvideValue(object target, string propertyName)
{
var path = ValueConverterUtil.GetPath(this.Expression, true);
var converter = ValueConverterUtil.GetConverter(this.Expression, target, propertyName);
var parameter = ValueConverterUtil.GetParameter(this.Expression, target, propertyName);
return(new TemplateBindingExpression(path, converter, parameter));
}
private object _ProvideValue(object target, string propertyName)
{
var path = ValueConverterUtil.GetPath(this.Expression, false);
var converter = ValueConverterUtil.GetConverter(this.Expression, target, propertyName);
var parameter = ValueConverterUtil.GetParameter(this.Expression, target, propertyName);
if (this.Expression.IndexOf("ElementName") > -1)
{
throw new XamlException("绑定表达式暂不支持ElementName语法");
}
else if (this.Expression.IndexOf("Source") > -1)
{
throw new XamlException("绑定表达式暂不支持Source语法");
}
else
{
//基于数据上下文的绑定表达式
return(new DataContextBindingExpression(path, converter, parameter));
}
}