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我想要更改一個應用程序欄按鈕切換的圖標,一旦選中它,然後再選中時,它將被取消選中。我確定.icon屬性被使用,但我不知道該如何設置它。我想每次點擊時將其從播放改爲暫停按鈕。如何更改c#代碼中的應用程序欄按鈕切換圖標
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();
}
}