public void AddValidator(PropertyGridValidator validator)
{
Debug.Assert(validator != null, "validator 为 null");
Debug.Assert(_validatorCollection.Contains(validator) == false, "已经添加过了指定的 wrapper");
if (validator == null || _validatorCollection.Contains(validator))
{
return;
}
_validatorCollection.Add(validator);
}
/// <summary>
/// 请求验证单元格中欲设置的属性(Property)值
/// 此方法提供给编辑单元格调用，只有这样才能在验证失败时阻止值设置到属性行中
/// </summary>
/// <param name="property"></param>
/// <param name="value"></param>
/// <param name="changed"></param>
/// <returns></returns>
public PropertyGridValidateResult ValidateValue(string property, object value, bool changed)
{
if (changed == false)
{
return(new PropertyGridValidateResult());
}
PropertyGridValidator validator = _validatorCollection.GetValidator(this.SelectedObjects);
if (validator == null)
{
return(new PropertyGridValidateResult());
}
if (validator.Validator == null)
{
Debug.Assert(false, "validator.Validator 为空");
return(new PropertyGridValidateResult());
}
PropertyGridValidateArgs argss = new PropertyGridValidateArgs(property, value, this.SelectedObjects);
return(validator.Validator(argss));
}