public IVisio.Page Render(IVisio.Document doc)
{
if (!this.IsLayedOut)
{
string msg =
string.Format("{0} usage error. {1}() before calling {2}().",
nameof(ContainerLayout), nameof(PerformLayout), nameof(Render));
throw new AutomationException(msg);
}
// create a new drawing
var app = doc.Application;
var docs = app.Documents;
var pages = doc.Pages;
var page = pages.Add();
// load the stencil used to draw the items
var item_stencil = docs.OpenStencil(this.LayoutOptions.ManualItemStencil);
var item_stencil_masters = item_stencil.Masters;
var item_master = item_stencil_masters[this.LayoutOptions.ManualItemMaster];
var plain_container_master = item_stencil_masters[this.LayoutOptions.ManualContainerMaster];
var page_shapes = page.Shapes;
// Drop the container shapes
var ct_items = this.Containers.ToList();
var ct_rects = ct_items.Select(item => item.Rectangle).ToList();
var masters = ct_items.Select(i => plain_container_master).ToList();
short[] ct_shapeids = ContainerLayout.DropManyU(page, masters, ct_rects);
// associate each container with the corresponding shape oject and shape id
for (int i = 0; i < ct_items.Count; i++)
{
var ct_item = ct_items[i];
var ct_shapeid = ct_shapeids[i];
var shape = page_shapes[ct_shapeid];
ct_item.VisioShape = shape;
ct_item.ShapeID = ct_shapeid;
}
// Render the items
var items = this.ContainerItems.ToList();
var item_rects = items.Select(item => item.Rectangle).ToList();
var item_masters = items.Select(i => item_master).ToList();
short[] shapeids = ContainerLayout.DropManyU(page, item_masters, item_rects);
// Associate each item with the corresponding shape object and shape id
for (int i = 0; i < items.Count; i++)
{
var item = items[i];
var shapeid = shapeids[i];
var shape = page_shapes[shapeid];
item.VisioShape = shape;
item.ShapeID = shapeid;
}
// Often useful to show everthing because these diagrams can get large
app.ActiveWindow.ViewFit = (short)IVisio.VisWindowFit.visFitPage;
// Set the items
foreach (var item in items.Where(i => i.Text != null))
{
item.VisioShape.Text = item.Text;
}
var update = new ShapeSheet.Update();
// Format the containers and shapes
foreach (var item in this.Containers)
{
this.LayoutOptions.ContainerFormatting.Apply(update, item.ShapeID, item.ShapeID);
}
foreach (var item in this.ContainerItems)
{
this.LayoutOptions.ContainerItemFormatting.Apply(update, item.ShapeID, item.ShapeID);
}
update.BlastGuards = true;
update.Execute(page);
// Set the Container Text
foreach (var ct in this.Containers)
{
if (ct.Text != null)
{
ct.Text.SetText(ct.VisioShape);
}
}
page.ResizeToFitContents();
app.ActiveWindow.ViewFit = (short)IVisio.VisWindowFit.visFitPage;
return(page);
}
