public static class AlertExtension
{
public static void ShowAlert(this Activity activity ,string msg,string title = "", string btnText = "OK"){
AlertDialog.Builder builder = new AlertDialog.Builder(activity);
builder.SetTitle(title);
builder.SetMessage(msg);
builder.SetCancelable(false);
builder.SetPositiveButton(btnText, delegate {
// it is alert ,keep it simple , do nothing here
});
builder.Show();
}
}浣跨敤鏃讹細
if(txtPwd.Text != txtCfmPwd.Text){
this.ShowAlert("Password and confirmed password not match");
} 以上就是C# 使用Xamarin 开发应用 -- Alert Box的内容，更多相关内容请关注PHP中文网（www.php.cn）！
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