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我想要更改一个应用程序栏按钮切换的图标,一旦选中它,然后再选中时,它将被取消选中。我确定.icon属性被使用,但我不知道该如何设置它。我想每次点击时将其从播放改为暂停按钮。如何更改c#代码中的应用程序栏按钮切换图标
private void abtnTimer_Clicked(object sender, RoutedEventArgs e)
{
AppBarToggleButton btn = sender as AppBarToggleButton;
if (btn.IsChecked == true)
{
btn.Icon = //not sure what this should be
string s = DateTime.Now.ToString();
localSettings.Values["Timer"] = s;
}
else
{
btn.Icon = //turn the icon into a play icon
DateTime dte = Convert.ToDateTime(localSettings.Values["Timer"]);
TimeSpan t;
t = DateTime.Now.Subtract(dte);
txtblkHoursData.Text = t.ToString();
}
}