DialogResult dr = MessageBox.Show("Are you happy now?", 
                      "Mood Test", MessageBoxButtons.YesNo);
switch(dr)
{
   case DialogResult.Yes:
      break;
   case DialogResult.No:
      break;
}

MessageBox类就是您要找的。

Use:

MessageBoxResult m = MessageBox.Show("The file will be saved here.", "File Save", MessageBoxButton.OKCancel);
if(m == m.Yes)
{
    // Do something
}
else if (m == m.No)
{
    // Do something else
}

在Windows Phone上使用MessageBoxResult而不是dialgresult…

这应该做到:

DialogResult dialogResult = MessageBox.Show("Sure", "Some Title", MessageBoxButtons.YesNo);
if(dialogResult == DialogResult.Yes)
{
    //do something
}
else if (dialogResult == DialogResult.No)
{
    //do something else
}

试试这个:

if (MessageBox.Show("Are you sure", "Title_here", MessageBoxButton.YesNo) == MessageBoxResult.Yes)
{
    Do something here for 'Yes'...
}

DialogResult dr = MessageBox.Show("Are you happy now?", 
                      "Mood Test", MessageBoxButtons.YesNo);
switch(dr)
{
   case DialogResult.Yes:
      break;
   case DialogResult.No:
      break;
}

MessageBox类就是您要找的。

这个简单的代码对我很有用。我从MSDN上下载的:

https://social.msdn.microsoft.com/Forums/en-US/d1092a96-96b0-4ca4-b716-0c8e55e42ee9/how-can-i-manage-messagebox-result-?forum=Vsexpressvcs

if (System.Windows.Forms.MessageBox.Show
            ("Are you sure you want to add the audit?", "Add",
            System.Windows.Forms.MessageBoxButtons.YesNo, 
            System.Windows.Forms.MessageBoxIcon.Question)
            ==System.Windows.Forms.DialogResult.Yes)                
        // Do stuff after 'YES is clicked'
        else
        // DO stuff after 'NO is clicked'