private void OnGotInputCapture(InputEventArgs e)
{
InputDevice inputDevice = e.Device;
DependencyObject captured = inputDevice.GetCaptured() as DependencyObject;
if (this.Owner.IsManipulationEnabled && GetAllowsParentToStealCapture(captured))
{
NThiefData userData = inputDevice.GetUserData(s_strThiefDataKey) as NThiefData;
if ((this.Owner.TouchesCapturedWithin.Count <TouchDevice>() >= GetInputToStealThreshold(this.m_refOwner)) && (inputDevice is TouchDevice))
{
if (userData == null)
{
userData = new NThiefData(this.m_refThiefID, inputDevice.GetPosition(this.Owner));
inputDevice.SetUserData(s_strThiefDataKey, userData);
foreach (TouchDevice device2 in this.Owner.TouchesCapturedWithin.ToList <TouchDevice>())
{
if (device2.Captured != this.Owner)
{
NThiefData data2 = device2.GetUserData(s_strThiefDataKey) as NThiefData;
if (data2 != null)
{
data2.MustBeStealed = true;
}
}
}
}
}
else if (((userData == null) && (captured != this.Owner)) && (captured != null))
{
inputDevice.SetUserData(s_strThiefDataKey, new NThiefData(this.m_refThiefID, inputDevice.GetPosition(this.Owner)));
}
}
}
private void OnInputMove(InputEventArgs e)
{
InputDevice inputDevice = e.Device;
DependencyObject captured = inputDevice.GetCaptured() as DependencyObject;
NThiefData userData = inputDevice.GetUserData(s_strThiefDataKey) as NThiefData;
if (((userData != null) && ((captured == null) || (userData.ThiefID == this.m_refThiefID))) && (userData.MustBeStealed && (inputDevice.GetCaptured() != this.Owner)))
{
inputDevice.Capture(this.Owner);
}
else if (((captured != null) && (userData != null)) && (userData.ThiefID == this.m_refThiefID))
{
int maxInputToSteal = GetMaxInputToSteal(captured);
if (captured is FrameworkElement)
{
FrameworkElement element = captured as FrameworkElement;
if (element.TouchesCaptured.Count <TouchDevice>() > maxInputToSteal)
{
return;
}
}
bool?nullable = GetParentStealCaptureOrientation(captured).CheckValidMovementForOrientation(userData.OriginPosition, inputDevice.GetPosition(this.Owner), GetParentStealCaptureRadiusThreshold(captured), GetParentStealCaptureWrongDirectionThreshold(captured));
if (nullable.HasValue && nullable.Value)
{
inputDevice.SetUserData(s_strThiefDataKey, null);
inputDevice.Capture(this.Owner);
}
else if (!nullable.HasValue)
{
inputDevice.SetUserData(s_strThiefDataKey, null);
}
}
}