C# (CSharp) MediaPlayer PopupWaiting示例

示例#1

 public PopupWaiting()
 {
     if (instance == null)
     {
         instance = this;
     }
     else
     {
         throw new System.Exception();
     }
     InitializeComponent();
 }

示例#2

 public new void Close()
 {
     instance    = null;
     manualClose = true;
     base.Close();
 }