大家来帮忙，关于TreeView和ContextMenu.

Question

private void treeView1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
TreeNode tNode;
tNode=treeView1.GetNodeAt(e.X,e.Y);
}

Answer 1

private void tvwDataSource_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
        {
            
            if(e.Button==MouseButtons.Right)
            {
                if( tvwDataSource.GetNodeAt(e.X,e.Y)!=null )
                {
                    tvwDataSource.SelectedNode=tvwDataSource.GetNodeAt(e.X,e.Y);
                    isCreated(tvwDataSource.SelectedNode.Text);
                    if(tvwDataSource.SelectedNode.ImageIndex==0)
                    { 
                        tvwDataSource.ContextMenu=this.cmnuDataConn; 
                    }
                    else if (tvwDataSource.SelectedNode.ImageIndex==1)
                    {
                        tvwDataSource.ContextMenu=this.cmnuDataSour ;
                    }
                    else if (tvwDataSource.SelectedNode.ImageIndex==2)
                    {
                        tvwDataSource.ContextMenu=this.cmnuStorPro ;
                    }
                    else if(tvwDataSource.SelectedNode.ImageIndex==3)
                    {
                        tvwDataSource.ContextMenu=this.cmnuTable;
                    }
                }  
            }
            else if(e.Button==MouseButtons.Left)
            {
                if(tvwDataSource.GetNodeAt(e.X,e.Y)!=null)
                {
                    tvwDataSource.SelectedNode=tvwDataSource.GetNodeAt(e.X,e.Y);
                    isCreated(tvwDataSource.SelectedNode.Text);
                }
            }
        }

Answer 2

private void treeView1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
TreeNode t;
t=treeView1.GetNodeAt(e.X,e.Y);
}

Answer 3

24.12 How can I display a context menu when the user right-clicks on a node in the TreeView control? http://www.syncfusion.com/FAQ/WinForms/FAQ_c91c.asp#q1097q