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remove icons from nDiagramCommandBarsManager

Posted By Cristianf 7 Years Ago
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Cristianf
Problem Posted 7 Years Ago
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Last Active: 6 Years Ago
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Like subject says I'm trying to remove some commands I don't use from the DiagramCommandBarsManager.
I searched about it and found this:
http://support.nevron.com/KB/a48/replace-override-the-commands-in-command-bars-manager.aspx

I tried to remove the PDF Export... icon + command from the toolbar and from the "File" context menu but it didn't work, here is my code:

            NPdfExportCommand newD = (NPdfExportCommand)nDiagramCommandBarsManager1.Commander.Commands.GetCommandFromId((int)DiagramCommand.PdfExport);
            int index = nDiagramCommandBarsManager1.Commander.Commands.IndexOf(newD);
            nDiagramCommandBarsManager1.Commander.Commands.RemoveAt(index);
            nDiagramCommandBarsManager1.Refresh();


It disables the command so when I click the icon it doesn't show me anything... but I would like to remove the icon so it doesn't appear.




Nevron Support
Posted 7 Years Ago
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Hello Cristianf,

To remove or change the icon in a command from NDiagramCommandBarsManager you will need to override CreateUICommand method in manager’s commander class (NDiagramCommander)

Here is an example which you can use:


public class MyNDiagramCommander : NDiagramCommander
{
      public override object CreateUICommand(NDiagramCommand command)
      {
            NCommandContext context = new NCommandContext();

            // range and id
            context.RangeID = command.RangeId;
            context.Properties.ID = command.Id;

            // text and tooltip
            context.Properties.Text = command.Text;
            context.TooltipText = command.TooltipText;

            // shortcut
            if (command.Shortcut != null)
            {
                  context.Properties.Shortcut = command.Shortcut;
            }

            // image
            NCustomImageList imageList;
            int imageIndex;
            if (command.GetImageInfo(out imageList, out imageIndex))
            {
                  //Here we make a check for the command's type (in this case one that format text to be bold) so we can omit the drawing of the icon.
                  //However, you can put any other logic here.
                  if (command is NMakeBoldTextCommand)
                  {
                  }
                  else
                  {
                        context.Properties.ImageInfo.Image = imageList.GetImage(imageIndex);
                  }                      
            }

            return context;        
      }
}


Then you need to set an instance of the new commander to the command bars manager and call recreate method:

MyNDiagramCommander commander = new MyNDiagramCommander();
m_DiagramCommandBarManager.Commander = commander;
m_DiagramCommandBarManager.Recreate();


Hope this helps.

Best Regards,
Nevron Support Team





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