How to print a Winfor Treeview controls with all node expanded ?

treeview1.ExpandAll();

// If the treeview is not large enough to show the items,
// you will have to resize it first to show all items.

// I think that's about max for one page.
// However you can most likely do some scaling.
treeview1.Size = new Size(600,850);

// Create a bitmap.
Bitmap bmp = new Bitmap(treeview1.Width, treeview1.Height);

// Draw the treeview to the bitmap.
treeview1.DrawToBitmap(bmp, treeview1.ClientRectangle);

// Add the image to the clipboard.
// Clipboard.SetDataObject(bmp) works just the same.
Clipboard.SetImage(bmp);

// Create the Word App
Microsoft.Office.Interop.Word.Application wordApp = new Microsoft.Office.Interop.Word.Application();

// Hide the word application or true if you want to see this all happening.
wordApp.Visible = false;

// Set the Missing type object.
object missing = System.Type.Missing;
 
//Open the doc file
Microsoft.Office.Interop.Word.Document wordDoc = wordApp.Documents.Add(missing, missing, missing, missing);

// Get the range, beginning at doc is 0,0
Microsoft.Office.Interop.Word.Range rng = wordDoc.Range(0,0); 

// Paste the image to the doc.
rng.Paste(); 

// Print out the doc with default printer, no special settings.
wordDoc.PrintOut(missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing);