private void BtnCreateGroup_Click(object sender, EventArgs e)
{
string groupName = this.txtGroupName.Text.Trim();
//验证输入的用户名是否为空
if (groupName == null || groupName == string.Empty)
{
MessageBox.Show("请输入要创建群的名称！");
return;
}
WebServiceMessage.WSMessage wsm = new WebServiceMessage.WSMessage();
//判断要创建的群是否存在
if (wsm.IsExistTheGroup(groupName) == true)
{
MessageBox.Show("该群已经存在");
}
else
{
//创建群
wsm.CreateGroup(currentUsername, groupName);
this.Close();
}
}
private void btnJoinGroup_Click(object sender, EventArgs e)
{
string GroupName = this.txtGroupName.Text.Trim();
if (GroupName == null || GroupName == string.Empty)
{
MessageBox.Show("请输入要请求的群名称！");
return;
}
WebServiceMessage.WSMessage wsm = new WebServiceMessage.WSMessage();
//判断用户是否存在
bool isExist = wsm.IsExistTheGroup(GroupName);
if (!isExist)
{
MessageBox.Show("该群不存在");
return;
}
///////要添加一个避免重复加入群的判断
//添加群，如果已经在群中跑出异常
try
{
wsm.JoinGroup(currentUsername, GroupName);
}
catch
{
MessageBox.Show("不能重复加群");
}
this.Close();
}