private DisplayCollection _GetAttachedDisplays()
{
DisplayCollection attachedDisplays = new DisplayCollection();
List <MonitorHandle> monitorHandles = _EnumerateAllMonitors();
foreach (MonitorHandle handle in monitorHandles)
{
List <PhysicalMonitorDesc> physicalMonitors = _GetPhysicalMonitors(handle);
foreach (PhysicalMonitorDesc physicalMonitor in physicalMonitors)
{
/*get the capabilities and supported color temperature of each display*/
uint capabilitiesFlags = 0, colorTempFlags = 0;
_QueryMonitorCapabilities(physicalMonitor, out capabilitiesFlags, out colorTempFlags);
/*get the min, max, and current brightness from the display*/
uint maxBrightness = 0, minBrightness = 0, currentBrightness = 0;
_QueryMonitorBrightnessInfo(physicalMonitor, out minBrightness, out maxBrightness, out currentBrightness);
lock ( m_displayListLock )
{
attachedDisplays.Add(new Display(physicalMonitor, minBrightness, maxBrightness, currentBrightness, capabilitiesFlags, colorTempFlags));
}
}
}
return(attachedDisplays);
}
private DisplayController()
{
m_attachedDisplays = new DisplayCollection();
//m_brightnessLock = new object();
m_displayListLock = new object();
m_displayChangeQueueLock = new object();
m_shutdown = false;
m_newDisplayChangeEvent = new AutoResetEvent(false);
m_displayChangeQueue = new List <DisplayChange>();
m_wmiBrightnessControls = null;
m_wmiBrightnessSetter = null;
m_integratedDisplaySupported = false;
_InitializeWMIBrightness();
if (m_wmiBrightnessControls != null && m_wmiBrightnessSetter != null)
{
m_integratedDisplaySupported = true;
System.Diagnostics.Debug.WriteLine("Integrated displays are supported on this system");
}
else
{
System.Diagnostics.Debug.WriteLine("Integrated displays are not supported on this system");
}
Initialization = Task.Run(() =>
{
DisplayCollection displays = _GetAttachedDisplays();
lock (m_displayListLock) m_attachedDisplays = displays;
});
Task.Run(() => _DisplayChangeApplicatorAsync());
}
/// <summary>
/// Builds a DisplayCollection.
/// </summary>
/// <returns>the DisplayCollection.</returns>
protected override DisplayCollection BuildDisplayItem()
{
DisplayCollection tempDC = new DisplayCollection();
tempDC.ClearDisplayFirst = true;
tempDC.AddDisplayObject(this.Processor.Image.CopyObj(1, -1));
return(tempDC);
}
/// <summary>
/// Creates a new display collection containing the loaded image.
/// </summary>
/// <returns>The DisplayCollection created.</returns>
protected virtual DisplayCollection BuildDisplayItem()
{
DisplayCollection tempDC = new DisplayCollection();
tempDC.ClearDisplayFirst = true;
//// Add display elements here.
return(tempDC);
}
/// <summary>
/// Builds a DisplayCollection.
/// </summary>
/// <returns>the DisplayCollection.</returns>
protected override DisplayCollection BuildDisplayItem()
{
DisplayCollection tempDC = new DisplayCollection();
tempDC.ClearDisplayFirst = true;
tempDC.AddDisplayObject(this.MainViewModelRef.LoadImageVM.Image.CopyObj(1, -1));
tempDC.AddDisplayObject(
this.Processor.WaferRegion.CopyObj(1, -1),
this.MainViewModelRef.ChangeColorProcessVM.CurrentDisplayColor,
1,
DrawModes.Margin);
return(tempDC);
}
private async void TypeSelectedItemChanged(string type)
{
if (type == "喜欢" && likePage != 0)
{
DisplayCollection.Clear();
likeList.ForEach(x => DisplayCollection.Add(x));
}
else if (type == "收藏" && markPage != 0)
{
DisplayCollection.Clear();
markList.ForEach(x => DisplayCollection.Add(x));
}
else
{
await QueryNote(type);
}
}
private async Task QueryNote(string type)
{
UserContentProvider user = new UserContentProvider();
if (type == "喜欢")
{
if (likePage == 0)
{
DisplayCollection = new ObservableCollection <NoteItem>();
likeList = new List <NoteItem>();
}
List <Note> temp = await user.QueryLikeNotes(likePage, GlobalValue.CurrentUserContext.UserId, GlobalValue.CurrentUserContext.MobileToken);
temp.ForEach(x =>
{
var v = ConvertToNoteItem(x);
likeList.Add(v);
DisplayCollection.Add(v);
});
likePage++;
}
else
{
if (markPage == 0)
{
DisplayCollection = new ObservableCollection <NoteItem>();
markList = new List <NoteItem>();
}
List <BookmarkResult> temp = await user.QueryBookmark(markPage, GlobalValue.CurrentUserContext.UserId, GlobalValue.CurrentUserContext.MobileToken);
temp.ForEach(x =>
{
var v = ConvertToNoteItem(x.Note);
markList.Add(v);
DisplayCollection.Add(v);
});
}
}
/// <summary>
/// Performs a complete refresh of the displays. All current display handles will be invalidated
/// </summary>
public Task RefreshAsync()
{
return(Task.Run(async() =>
{
//ensure refresh doesn't happen before initalization
await Initialization;
DisplayCollection displays = _GetAttachedDisplays();
lock ( m_displayListLock )
{
foreach (Display display in m_attachedDisplays)
{
display.IsValid = false;
}
_DestroyPhysicalMonitors(m_attachedDisplays);
m_attachedDisplays = displays;
}
OnDisplayRefesh?.Invoke();
}));
}
/// <summary>
/// closes a list of display monitor handles
/// </summary>
/// <param name="systemDisplays"></param>
private void _DestroyPhysicalMonitors(DisplayCollection displays)
{
PhysicalMonitorDesc[] monitorArray = new PhysicalMonitorDesc[displays.Count];
uint index = 0;
foreach (Display display in displays)
{
monitorArray[index++] = display.Handle;
}
if (!DestroyPhysicalMonitors((uint)monitorArray.Length, monitorArray))
{
try
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}catch (Win32Exception e)
{
System.Diagnostics.Debug.WriteLine("Error destroying physical monitors: " + e.Message);
}
}
}
