private void _go_to_page(IVisio.Pages pages, Models.PageRelativePosition flags, VisioScripting.CommandTarget cmdtarget)
{
if (pages == null)
{
throw new System.ArgumentNullException(nameof(pages));
}
if (pages.Count < 2)
{
throw new VisioAutomation.Exceptions.VisioOperationException("Only 1 page available. Navigation not possible.");
}
int cur_index = cmdtarget.ActivePage.Index;
const int min_index = 1;
int max_index = pages.Count;
int new_index = PageCommands.move_in_range(cur_index, min_index, max_index, flags);
if (cur_index != new_index)
{
var doc_pages = cmdtarget.ActiveDocument.Pages;
var page = doc_pages[new_index];
var active_window = cmdtarget.Application.ActiveWindow;
active_window.Page = page;
}
}
internal static int move_in_range(int cur, int min, int max, Models.PageRelativePosition relative_position)
{
if (max < min)
{
throw new System.ArgumentOutOfRangeException(nameof(max));
}
if (cur < min)
{
throw new System.ArgumentOutOfRangeException(nameof(cur));
}
if (cur > max)
{
throw new System.ArgumentOutOfRangeException(nameof(cur));
}
switch (relative_position)
{
case VisioScripting.Models.PageRelativePosition.Next:
return(System.Math.Min(cur + 1, max));
case VisioScripting.Models.PageRelativePosition.Previous:
return(System.Math.Max(cur - 1, min));
case VisioScripting.Models.PageRelativePosition.First:
return(min);
case VisioScripting.Models.PageRelativePosition.Last:
return(max);
default:
throw new System.ArgumentOutOfRangeException(nameof(relative_position));
}
}
public void SetActivePage(VisioScripting.TargetDocument targetdoc, Models.PageRelativePosition flags)
{
targetdoc = targetdoc.ResolveToDocument(this._client);
var docpages = targetdoc.Document.Pages;
if (docpages.Count < 2)
{
return;
}
var pages = docpages;
var cmdtarget = this._client.GetCommandTarget(CommandTargetFlags.RequirePage);
this._go_to_page(pages, flags, cmdtarget);
}
