/////////////////////////////////////////////////////////////////////
internal override void FireNotifications(UIElement uie, ContentElement ce, UIElement3D uie3D, bool oldValue)
{
// This is all very sketchy...
//
// Tablet can support multiple stylus devices concurrently. They can each
// be over a different element. They all update the IsStylusOver property,
// which calls into here, but ends up using the "current" stylus device,
// instead of each using their own device. Worse, all of these will end up
// writing to the same bits in the UIElement. They are going to step all over
// each other.
if (Stylus.CurrentStylusDevice == null)
{
return;
}
StylusEventArgs stylusEventArgs = new StylusEventArgs(Stylus.CurrentStylusDevice, Environment.TickCount);
stylusEventArgs.RoutedEvent = oldValue ? Stylus.StylusLeaveEvent : Stylus.StylusEnterEvent;
if (uie != null)
{
uie.RaiseEvent(stylusEventArgs);
}
else if (ce != null)
{
ce.RaiseEvent(stylusEventArgs);
}
else if (uie3D != null)
{
uie3D.RaiseEvent(stylusEventArgs);
}
}
/////////////////////////////////////////////////////////////////////
internal override void FireNotifications(UIElement uie, ContentElement ce, UIElement3D uie3D, bool oldValue)
{
// This is all very sketchy...
//
// Tablet can support multiple stylus devices concurrently. They can each
// be over a different element. They all update the IsStylusOver property,
// which calls into here, but ends up using the "current" stylus device,
// instead of each using their own device. Worse, all of these will end up
// writing to the same bits in the UIElement. They are going to step all over
// each other.
if(Stylus.CurrentStylusDevice == null)
{
return;
}
StylusEventArgs stylusEventArgs = new StylusEventArgs(Stylus.CurrentStylusDevice, Environment.TickCount);
stylusEventArgs.RoutedEvent = oldValue ? Stylus.StylusLeaveEvent : Stylus.StylusEnterEvent;
if (uie != null)
{
uie.RaiseEvent(stylusEventArgs);
}
else if (ce != null)
{
ce.RaiseEvent(stylusEventArgs);
}
else if (uie3D != null)
{
uie3D.RaiseEvent(stylusEventArgs);
}
}
/////////////////////////////////////////////////////////////////////
internal override void FireNotifications(UIElement uie, ContentElement ce, UIElement3D uie3D, bool oldValue)
{
// Before we fire the mouse event we need to figure if the notification is still relevant.
// This is because it is possible that the mouse state has changed during the previous
// property engine callout. Example: Consider a MessageBox being displayed during the
// IsMouseOver OnPropertyChanged override.
bool shouldFireNotification = false;
if (uie != null)
{
shouldFireNotification = (!oldValue && uie.IsMouseOver) || (oldValue && !uie.IsMouseOver);
}
else if (ce != null)
{
shouldFireNotification = (!oldValue && ce.IsMouseOver) || (oldValue && !ce.IsMouseOver);
}
else if (uie3D != null)
{
shouldFireNotification = (!oldValue && uie3D.IsMouseOver) || (oldValue && !uie3D.IsMouseOver);
}
if (shouldFireNotification)
{
MouseEventArgs mouseEventArgs = new MouseEventArgs(Mouse.PrimaryDevice, Environment.TickCount, Mouse.PrimaryDevice.StylusDevice);
mouseEventArgs.RoutedEvent = oldValue ? Mouse.MouseLeaveEvent : Mouse.MouseEnterEvent;
if (uie != null)
{
uie.RaiseEvent(mouseEventArgs);
}
else if (ce != null)
{
ce.RaiseEvent(mouseEventArgs);
}
else if (uie3D != null)
{
uie3D.RaiseEvent(mouseEventArgs);
}
}
}
/////////////////////////////////////////////////////////////////////
internal override void FireNotifications(UIElement uie, ContentElement ce, UIElement3D uie3D, bool oldValue)
{
// Before we fire the mouse event we need to figure if the notification is still relevant.
// This is because it is possible that the mouse state has changed during the previous
// property engine callout. Example: Consider a MessageBox being displayed during the
// IsMouseOver OnPropertyChanged override.
bool shouldFireNotification = false;
if (uie != null)
{
shouldFireNotification = (!oldValue && uie.IsMouseOver) || (oldValue && !uie.IsMouseOver);
}
else if (ce != null)
{
shouldFireNotification = (!oldValue && ce.IsMouseOver) || (oldValue && !ce.IsMouseOver);
}
else if (uie3D != null)
{
shouldFireNotification = (!oldValue && uie3D.IsMouseOver) || (oldValue && !uie3D.IsMouseOver);
}
if (shouldFireNotification)
{
MouseEventArgs mouseEventArgs = new MouseEventArgs(Mouse.PrimaryDevice, Environment.TickCount, Mouse.PrimaryDevice.StylusDevice);
mouseEventArgs.RoutedEvent = oldValue ? Mouse.MouseLeaveEvent : Mouse.MouseEnterEvent;
if (uie != null)
{
uie.RaiseEvent(mouseEventArgs);
}
else if (ce != null)
{
ce.RaiseEvent(mouseEventArgs);
}
else if (uie3D != null)
{
uie3D.RaiseEvent(mouseEventArgs);
}
}
}
