C# (CSharp) TearFrm示例

示例#1

 //创建撕裂检测界面
 private void btn_Tear_Click(object sender, EventArgs e)
 {
     //判断子窗口是否有实例
     if (tearFrm == null)
     {
         tearFrm = new TearFrm();
         tearFrm.Show();
         //子窗口关闭后增加释放实例的功能
         tearFrm.FormClosing += ReleaseObjct_Tear;
     }
     else
     {
         //存在子窗口打开的时候，重新选择打开的子窗口
         tearFrm.Activate();
     }
 }

示例#2

 //释放撕裂界面示例事件
 private void ReleaseObjct_Tear(object sender, FormClosingEventArgs e)
 {
     //释放实例
     tearFrm = null;
 }