static void Main(string[] args)
{
Console.WriteLine("ListLayers Sample:");
// ReSharper disable once UnusedVariable
using (Library lib = new Library())
{
Console.WriteLine("Initialized the library.");
String sInput = Library.ResourceDirectory + "Sample_Input/Layers.pdf";
if (args.Length > 0)
{
sInput = args[0];
}
Console.WriteLine("Input file: " + sInput);
Document doc = new Document(sInput);
IList <OptionalContentGroup> ocgs = doc.OptionalContentGroups;
foreach (OptionalContentGroup ocg in ocgs)
{
Console.WriteLine(ocg.Name);
Console.Write(" Intent: [");
if (ocg.Intent.Count > 0)
{
IEnumerator <String> i = ocg.Intent.GetEnumerator();
i.MoveNext();
Console.Write(i.Current);
while (i.MoveNext())
{
Console.Write(", ");
Console.Write(i.Current);
}
}
Console.WriteLine("]");
}
OptionalContentContext ctx = doc.OptionalContentContext;
Console.Write("Optional content states: [");
IList <bool> states = ctx.GetOCGStates(ocgs);
if (states.Count > 0)
{
IEnumerator <bool> i = states.GetEnumerator();
i.MoveNext();
Console.Write(i.Current);
while (i.MoveNext())
{
Console.Write(", ");
Console.Write(i.Current);
}
}
Console.WriteLine("]");
}
}
public void CreateLayerItems(Document doc)
{
DestroyLayers();
if (doc == null)
{
layersInDocument = new List <LayerItems>();
return;
}
int controlHeight = 0;
docLayerContext = new OptionalContentContext(doc);
docLayers = doc.OptionalContentGroups;
ocgStates = docLayerContext.GetOCGStates(docLayers);
if (docLayers.Count > 1)
{
// create the master layer control, turns on/off all layers
masterLayer = new LayerItems(this.Width);
masterLayer.layerName.Text = "All Layers";
masterLayer.Location = new System.Drawing.Point(0, controlHeight);
masterLayer.displayLayer.Name = "Master";
masterLayer.printLayer.Name = "Master";
// add the events for when the checkboxes are clicked
masterLayer.displayLayer.Click += new EventHandler(dleController.displayLayer_Click);
masterLayer.printLayer.Click += new EventHandler(dleController.printLayer_Click);
// increase the height (y coordinate) so we do not overlap controls
controlHeight += 65;
// add the controls we just created to the layer manager
this.Controls.Add(masterLayer);
}
layersInDocument = new List <LayerItems>(docLayers.Count);
// create the layer items for all of the other layers that exist
for (int i = 0; i < docLayers.Count; i++)
{
layersInDocument.Insert(i, new LayerItems(this.Width));
layersInDocument[i].layerName.Text = doc.OptionalContentGroups[i].Name;
layersInDocument[i].Location = new System.Drawing.Point(0, controlHeight);
// add the events for when the checkboxes are clicked
layersInDocument[i].displayLayer.Click += new EventHandler(dleController.displayLayer_Click);
layersInDocument[i].printLayer.Click += new EventHandler(dleController.printLayer_Click);
controlHeight += 65;
}
foreach (LayerItems l in layersInDocument)
{
this.Controls.Add(l);
}
this.Invalidate();
}