public override bool Execute(UICommandContext ctx)
{
var dlg = new OpenFileDialog();
dlg.Filter = "IGES Files(*.iges;*.igs)|*.iges;*.igs";
if (dlg.ShowDialog() == DialogResult.OK)
{
var shape = IgesIO.Open(dlg.FileName);
if (shape != null)
{
var transaction = new UndoTransaction(ctx.Document);
transaction.Start(this.Name);
var shapeElement = new ShapeElement();
shapeElement.SetName(ImportStepCommand.ExtractName(dlg.SafeFileName));
ctx.Document.AddElement(shapeElement);
shapeElement.SetMaterialId(ctx.DefaultMaterialId);
shapeElement.SetShape(shape);
ctx.ShowElement(shapeElement);
transaction.Commit();
ctx.RequestUpdate();
}
}
return(true);
}