private Rectangle GetWindowSplitterDragRectangle()
{
DockState state;
DockContainer dockPanel;
DockWindow dockWindow = DragControl as DockWindow;
AutoHideWindow autoHideWindow = DragControl as AutoHideWindow;
if (dockWindow != null)
{
state = dockWindow.DockState;
dockPanel = dockWindow.DockPanel;
}
else if (autoHideWindow != null)
{
state = autoHideWindow.DockState;
dockPanel = autoHideWindow.DockPanel;
}
else
{
return(Rectangle.Empty);
}
Rectangle rectLimit = dockPanel.DockArea;
Point location;
if ((Control.ModifierKeys & Keys.Shift) == 0)
{
location = dockPanel.PointToClient(DragControl.Parent.PointToScreen(DragControl.Location));
}
else
{
location = dockPanel.DockArea.Location;
}
bool bVerticalSplitter;
if (state == DockState.DockLeft || state == DockState.DockRight || state == DockState.DockLeftAutoHide || state == DockState.DockRightAutoHide)
{
rectLimit.X += MeasurePane.MinSize;
rectLimit.Width -= 2 * MeasurePane.MinSize;
rectLimit.Y = location.Y;
if ((Control.ModifierKeys & Keys.Shift) == 0)
{
rectLimit.Height = DragControl.Height;
}
bVerticalSplitter = true;
}
else
{
rectLimit.Y += MeasurePane.MinSize;
rectLimit.Height -= 2 * MeasurePane.MinSize;
rectLimit.X = location.X;
if ((Control.ModifierKeys & Keys.Shift) == 0)
{
rectLimit.Width = DragControl.Width;
}
bVerticalSplitter = false;
}
rectLimit.Location = dockPanel.PointToScreen(rectLimit.Location);
return(GetSplitterDragRectangle(rectLimit, bVerticalSplitter));
}