private void RefreshBasicList()
{
#pragma warning disable VSTHRD001 // Avoid legacy thread switching APIs
Dispatcher.InvokeAsync(() => {
Vm.RefreshBasicList();
_lastModel = Vm.List;
});
#pragma warning restore VSTHRD001 // Avoid legacy thread switching APIs
}
/// <summary>
/// Refresh the view periodically
/// </summary>
private void OnRenderFrameCompleted(object sender, RenderFrameEventArgs e)
{
if (Vm.ScreenRefreshCount % 100 == 0)
{
#pragma warning disable VSTHRD001 // Avoid legacy thread switching APIs
Dispatcher.Invoke(() =>
{
var newModel = Vm.CreateBasicListViewModel();
newModel.DecodeBasicProgram();
if (!BasicListViewModel.Compare(_lastModel, newModel))
{
Vm.RefreshBasicList();
_lastModel = newModel;
}
});
#pragma warning restore VSTHRD001 // Avoid legacy thread switching APIs
}
}
/// <summary>
/// Compares this view model with another
/// </summary>
/// <param name="other">Other view model</param>
/// <returns>True, if the two view models are equal; otherwise, false</returns>
public static bool Compare(BasicListViewModel thisModel, BasicListViewModel other)
{
if (other == null)
{
return(false);
}
if (other.ProgramLines.Count != thisModel.ProgramLines.Count)
{
return(false);
}
for (var i = 0; i < thisModel.ProgramLines.Count; i++)
{
var otherItem = other.ProgramLines[i];
var thisItem = thisModel.ProgramLines[i];
if (otherItem.LineNo != thisItem.LineNo ||
otherItem.Length != thisItem.Length ||
otherItem.Text != thisItem.Text)
{
return(false);
}
}
return(true);
}
