public override void Execute()
{
string fileName;
if (!DialogUtils.OpenFile(mainForm, out fileName))
{
return;
}
var data = ReadData(fileName);
if (data == null)
{
return;
}
var designer = new FormDesign();
designer.MdiParent = mainForm;
designer.SetCircuitData(data);
mainForm.AddOpenedDesigner(designer);
designer.Closed += (sender, args) => mainForm.RemoveOpenedDesigner(designer);
designer.IsModified = false;
designer.FilePath = fileName;
designer.IsFileNameSet = true;
designer.Show();
}