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Delay updating description incase it changes quickly, this means it bubbles up the tree slower, but also wastes less cpu time. Only create context menus when they are needed. This makes it a ton faster.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Text; | ||
| using System.Threading; | ||
| using System.Threading.Tasks; | ||
| using System.Windows; | ||
|
|
||
| namespace StructuredXmlEditor | ||
| { | ||
| public static class Future | ||
| { | ||
| private static object m_locker = new object(); | ||
| private static Dictionary<object, Tuple<Action, Timer>> m_futures = new Dictionary<object, Tuple<Action, Timer>>(); | ||
|
|
||
| public static void Call(Action func, int ms, object key = null) | ||
| { | ||
| if (key == null) key = new object(); | ||
|
|
||
| lock (m_locker) | ||
| { | ||
| if (m_futures.ContainsKey(key)) | ||
| { | ||
| m_futures[key].Item2.Change(ms, Timeout.Infinite); | ||
| } | ||
| else | ||
| { | ||
| var timer = new Timer(TimerElapsed, key, ms, Timeout.Infinite); | ||
| m_futures[key] = new Tuple<Action, Timer>(func, timer); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private static void TimerElapsed(object key) | ||
| { | ||
| lock (m_locker) | ||
| { | ||
| var data = m_futures[key]; | ||
| m_futures.Remove(key); | ||
|
|
||
| Application.Current.Dispatcher.BeginInvoke(data.Item1); | ||
| data.Item2.Dispose(); | ||
| } | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| using StructuredXmlEditor.Data; | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Text; | ||
| using System.Threading.Tasks; | ||
| using System.Windows; | ||
|
|
||
| namespace StructuredXmlEditor.View | ||
| { | ||
| partial class DataGridViewStyle : ResourceDictionary | ||
| { | ||
| public DataGridViewStyle() | ||
| { | ||
| InitializeComponent(); | ||
| } | ||
|
|
||
| private void Grid_ContextMenuOpening(object sender, System.Windows.Controls.ContextMenuEventArgs e) | ||
| { | ||
| FrameworkElement fe = e.Source as FrameworkElement; | ||
|
|
||
| if (fe.ContextMenu == null) | ||
| { | ||
| e.Handled = true; | ||
| fe.ContextMenu = ((DataItem)fe.DataContext).CreateContextMenu(); | ||
| fe.ContextMenu.IsOpen = true; | ||
| } | ||
| else | ||
| { | ||
| fe.ContextMenu = ((DataItem)fe.DataContext).CreateContextMenu(); | ||
| } | ||
| } | ||
| } | ||
| } |