// 单击时显示请求好友消息窗体 private void tsbtnMessageReading_Click(object sender, EventArgs e) { tmrAddFriend.Stop(); // 消息timer停止运行 // 图片恢复正常 messageImageIndex = 0; tsbtnMessageReading.Image = ilMessage.Images[messageImageIndex]; // 显示系统消息窗体 RequestForm requestForm = new RequestForm(); requestForm.Show(); }