// Returns a Proxy element corresponding to the specified screen coordinates.
internal override ProxySimple ElementProviderFromPoint(int x, int y)
{
// Loop through all the panes
for (int item = 0, count = Count; item < count; item++)
{
NativeMethods.Win32Rect rc = new NativeMethods.Win32Rect(WindowsStatusBarPane.GetBoundingRectangle(_hwnd, item));
if (Misc.PtInRect(ref rc, x, y))
{
return(CreateStatusBarPane(item));
}
}
// Try the Grip
if (_fHasGrip)
{
NativeMethods.Win32Rect rc = StatusBarGrip.GetBoundingRectangle(_hwnd);
if (Misc.PtInRect(ref rc, x, y))
{
ProxySimple grip = StatusBarGrip.Create(_hwnd, this, -1);
return((ProxySimple)(grip != null ? grip : this));
}
}
return(this);
}
// Returns the last child element in the raw hierarchy.
internal override ProxySimple GetLastChild()
{
// Grip is the last Element
if (_fHasGrip)
{
return(StatusBarGrip.Create(_hwnd, this, GripItemID));
}
int count = Count;
return(count > 0 ? CreateStatusBarPane(count - 1): null);
}
// Returns the next sibling element in the raw hierarchy.
// Peripheral controls have always negative values.
// Returns null if no next child
internal override ProxySimple GetNextSibling(ProxySimple child)
{
int item = child._item;
int count = Count;
// Next for an item that does not exist in the list
if (item >= count)
{
throw new ElementNotAvailableException();
}
// The grip is the last item. Exit when we see it.
if (item == GripItemID)
{
return(null);
}
// Eventually add the Grip as the last element in the list
return(item + 1 < count?CreateStatusBarPane(item + 1) : (_fHasGrip ? StatusBarGrip.Create(_hwnd, this, -1) : null));
}
// Returns the first child element in the raw hierarchy.
internal override ProxySimple GetFirstChild()
{
// Grip is the last Element
return(Count > 0 ? CreateStatusBarPane(0) : (_fHasGrip ? StatusBarGrip.Create(_hwnd, this, GripItemID) : null));
}