internal static void SetWispManagerKey(IPimcTablet2 tablet)
{
UInt32 latestKey = QueryWispKeyFromTablet(GetWispManagerKey, tablet);
// Assert here to ensure that every call through to this specific manager has the same
// key. This should be guaranteed since these calls are always done on the thread the tablet
// is created on and all tablets created on a particular thread should be through the same
// manager.
Invariant.Assert(!_wispManagerKey.HasValue || _wispManagerKey.Value == latestKey);
_wispManagerKey = latestKey;
}
private static UInt32 QueryWispKeyFromTablet(int keyType, IPimcTablet2 tablet)
{
int key = 0;
tablet.GetCursorButtonCount(keyType, out key);
if (key == 0)
{
throw new InvalidOperationException();
}
return((UInt32)key);
}
internal void DisposeOrDeferDisposal()
{
// Only dispose when no input events are left in the queue
if (CanDispose)
{
// Make sure this device is not the current one.
if (Tablet.CurrentTabletDevice == this.TabletDevice)
{
StylusLogic.GetCurrentStylusLogicAs <WispLogic>().SelectStylusDevice(null, null, true);
}
// A disconnect will be logged in the dispose as WPF will have gotten rid of the tablet.
StylusTraceLogger.LogDeviceDisconnect(_tabletInfo.Id);
// DDVSO:174153
// Force tablets to clean up as soon as they are disposed. This helps to reduce
// COM references that might be waiting for RCWs to finalize.
IPimcTablet2 tablet = _tabletInfo.PimcTablet?.Value;
_tabletInfo.PimcTablet = null;
if (tablet != null)
{
// DDVSO:514949
// Balance calls in PenThreadWorker.GetTabletInfoHelper and CPimcTablet::Init.
PenThread.WorkerReleaseTabletLocks(tablet, _tabletInfo.WispTabletKey);
Marshal.ReleaseComObject(tablet);
}
StylusDeviceCollection styluses = _stylusDeviceCollection;
_stylusDeviceCollection = null;
if (styluses != null)
{
styluses.Dispose();
}
_penThread = null;
_isDisposalPending = false;
// DDVSO:614343
// Ensure that we are marked disposed and no longer attempt to finalize.
_disposed = true;
GC.SuppressFinalize(this);
}
else
{
_isDisposalPending = true;
}
}
internal void DisposeOrDeferDisposal()
{
// Only dispose when no input events are left in the queue
if (CanDispose)
{
// Make sure this device is not the current one.
if (Tablet.CurrentTabletDevice == this.TabletDevice)
{
StylusLogic.GetCurrentStylusLogicAs <WispLogic>().SelectStylusDevice(null, null, true);
}
// A disconnect will be logged in the dispose as WPF will have gotten rid of the tablet.
StylusTraceLogger.LogDeviceDisconnect(_tabletInfo.Id);
// DDVSO:174153
// Force tablets to clean up as soon as they are disposed. This helps to reduce
// COM references that might be waiting for RCWs to finalize.
IPimcTablet2 tablet = _tabletInfo.PimcTablet?.Value;
_tabletInfo.PimcTablet = null;
if (tablet != null)
{
Marshal.ReleaseComObject(tablet);
}
StylusDeviceCollection styluses = _stylusDeviceCollection;
_stylusDeviceCollection = null;
if (styluses != null)
{
styluses.Dispose();
}
_penThread = null;
_isDisposalPending = false;
}
else
{
_isDisposalPending = true;
}
}
internal TabletDeviceSizeInfo WorkerGetUpdatedSizes(IPimcTablet2 pimcTablet)
{
return(_penThreadWorker.WorkerGetUpdatedSizes(pimcTablet));
}
internal StylusDeviceInfo[] WorkerRefreshCursorInfo(IPimcTablet2 pimcTablet)
{
return(_penThreadWorker.WorkerRefreshCursorInfo(pimcTablet));
}
internal bool WorkerReleaseTabletLocks(IPimcTablet2 tablet, UInt32 wispTabletKey)
{
return(_penThreadWorker.WorkerReleaseTabletLocks(tablet, wispTabletKey));
}
internal PenContextInfo WorkerCreateContext(IntPtr hwnd, IPimcTablet2 pimcTablet)
{
return(_penThreadWorker.WorkerCreateContext(hwnd, pimcTablet));
}
internal static UInt32 QueryWispTabletKey(IPimcTablet2 tablet)
{
return(QueryWispKeyFromTablet(GetWispTabletKey, tablet));
}
private static void ReleaseManagerExternalLockImpl(IPimcManager2 manager)
{
IPimcTablet2 unused = null;
manager.GetTablet(ReleaseManagerExt, out unused);
}
