C# C/S TreeView 设置为只读
 
private void tvModule_BeforeCheck(object sender, TreeViewCancelEventArgs e)
{
    e.Cancel = true;
}
 
 
 
        private void tvModule_BeforeCheck(object sender, TreeViewCancelEventArgs e)
        {
            // 窗体已经加载完毕
            if (this.FormLoaded)
            {
                e.Cancel = true;
            }
        }