//特色
public static MessageBoxResult Show(Window owner, string messageBoxText, string caption, IList <MessageBoxButtonInfo> ctrlButtons)
{
var mbox = new MessageBoxModule();
mbox.Message = messageBoxText;
mbox.Title = caption;
mbox.Owner = owner;
IsUseCustomInfoDefine(ref mbox); // 同上,检测是否使用自定义主题颜色的配置.
if (owner != null)
{
mbox.WindowStartupLocation = WindowStartupLocation.CenterOwner;
}
if (null != ctrlButtons && ctrlButtons.Count > 0)
{
foreach (var btnInfo in ctrlButtons)
{
switch (btnInfo.Result)
{
case MessageBoxResult.Cancel:
case MessageBoxResult.No:
{
var btn = CreateCtrlButton_ResultFalse(mbox, btnInfo.ContentText);
btn.Command = new MyCommand(btnInfo.Action); // 为按钮关联响应动作. 这里我把Action封装为了命令.MessageBoxCommand为自定义的命令.
mbox.CtrlButtonCollection.Add(btn);
}
break;
case MessageBoxResult.None:
{
var btn = CreateCtrlButton_ResultNull(mbox, btnInfo.ContentText);
btn.Command = new MyCommand(btnInfo.Action);
mbox.CtrlButtonCollection.Add(btn);
}
break;
case MessageBoxResult.OK:
case MessageBoxResult.Yes:
default:
{
var btn = CreateCtrlButton_ResultTrue(mbox, btnInfo.ContentText);
btn.Command = new MyCommand(btnInfo.Action);
mbox.CtrlButtonCollection.Add(btn);
}
break;
}
}
var result = mbox.ShowDialog(); //同上一个Show方法.这里调用会显示一个模态窗口.
return(MessageBoxResult.None); //为啥我说MessageBoxButtonInfo类中的Result没用了,因为这里我始终返回None了.返回结果的目的是为了根据不同的结果做不同的处理,而这里的Action已经对其作出了响应.所以返回结果的用处不大.
}
else
{
return(Show(owner, messageBoxText, caption, MessageBoxButton.OK));
}
}
public static MessageBoxResult Show(Window owner, string messageBoxText, string caption, MessageBoxButton button)
{
var mbox = new MessageBoxModule();
mbox.Message = messageBoxText;
mbox.Title = caption;
mbox.Owner = owner;
// 这个方法是检测本次弹出的消息框是否使用了自定义的颜色配置,而不是使用默认提供的颜色配置.后面再说,这里无视.
IsUseCustomInfoDefine(ref mbox);
if (owner != null)
{
mbox.WindowStartupLocation = WindowStartupLocation.CenterOwner;
}
//这里的分支语句提供了传入MessageBoxButton枚举的具体响应实现. 其中CreateCtrlButton_ResultTrue,CreateCtrlButton_ResultFalse
// 等方法是创建一个按钮 并默认了按钮的响应 和Show方法完成后返回的结果. // 后面在看.
switch (button)
{
case MessageBoxButton.OKCancel:
mbox.CtrlButtonCollection.Add(CreateCtrlButton_ResultTrue(mbox, "确定"));
mbox.CtrlButtonCollection.Add(CreateCtrlButton_ResultFalse(mbox, "取消"));
break;
//break;
case MessageBoxButton.YesNo:
mbox.CtrlButtonCollection.Add(CreateCtrlButton_ResultTrue(mbox, "是"));
mbox.CtrlButtonCollection.Add(CreateCtrlButton_ResultFalse(mbox, "否"));
break;
case MessageBoxButton.YesNoCancel:
mbox.CtrlButtonCollection.Add(CreateCtrlButton_ResultTrue(mbox, "是"));
mbox.CtrlButtonCollection.Add(CreateCtrlButton_ResultFalse(mbox, "否"));
mbox.CtrlButtonCollection.Add(CreateCtrlButton_ResultFalse(mbox, "取消"));
break;
case MessageBoxButton.OK:
default:
mbox.CtrlButtonCollection.Add(CreateCtrlButton_ResultTrue(mbox, "确定"));
break;
}
var result = mbox.ShowDialog(); // 本行代码是消息框弹出的核心.ShowDialog方法会打开一个模态对话框.等待返回结果.这里的结果不是MessageBoxResult枚举而是可空类型的布尔值(bool?) true对应着MessageBoxResult.Yes ,MessageBoxResult.OK的值.false对应着MessageBoxResult.Cancel,MessageBoxResult.No 的值.
// 了解这些我们就可以对ShowDialog方法返回值做MessageBoxResult转换了.
switch (button)
{
//break;
case MessageBoxButton.OKCancel:
{
mbox.CtrlButtonCollection.Clear();
return(result == true ? MessageBoxResult.OK
: result == false ? MessageBoxResult.Cancel :
MessageBoxResult.None);
}
//break;
case MessageBoxButton.YesNo:
{
mbox.CtrlButtonCollection.Clear();
return(result == true ? MessageBoxResult.Yes : MessageBoxResult.No);
}
//break;
case MessageBoxButton.YesNoCancel:
{
mbox.CtrlButtonCollection.Clear();
return(result == true ? MessageBoxResult.Yes
: result == false ? MessageBoxResult.No :
MessageBoxResult.Cancel);
}
case MessageBoxButton.OK:
default:
{
mbox.CtrlButtonCollection.Clear();
return(result == true ? MessageBoxResult.OK : MessageBoxResult.None);
}
}
}