示例#1
0
 public static CKPaint Instance()
 {
     if (instance == null)
     {
         instance = new CKPaint();
     }
     return instance;
 }
示例#2
0
 private void CKPaint_FormClosed(object sender, FormClosedEventArgs e)
 {
     if (instance != null)
     {
         instance = null;
     }
 }