internal override void StartDrag(MouseEventArgs e)
{
Pane currentPane;
Pane pane2;
bool flag = HitTestPaneBottomBorder(e.Y);
HitTestPaneTopBorder(e.Y);
int index = Chart.Panes.PositionList.IndexOf(CurrentPane);
if (flag)
{
currentPane = CurrentPane;
pane2 = (Pane)Chart.Panes.PositionList[index + 1];
}
else
{
currentPane = (Pane)Chart.Panes.PositionList[index - 1];
pane2 = CurrentPane;
}
_paneResizeEventArgs = new PaneResizeEventArgs(currentPane, pane2)
{
Start = CurrentPane.PointToScreen(new Point(e.X, e.Y)),
Current = CurrentPane.PointToScreen(new Point(e.X, e.Y)),
AffectedPaneInitialHeight = currentPane.Height,
AdjacentPaneInitialHeight = pane2.Height
};
if (PaneFrameTool.PaneResizeStyle == PaneResizeStyle.Outline)
{
_screenGraphics = Chart.CreateGraphics();
_backBuffer = new MemGraphics(Chart.Width, Chart.Height);
_frontBuffer = new MemGraphics(Chart.Width, Chart.Height);
_pen = new Pen(Chart.visualSettings.PaneFrameToolOutlineColor, 2f);
Chart.Draw(_backBuffer.Graphics);
Rectangle clientRect = Chart.ClientRect;
clientRect.Offset(CurrentPane.PaneFrame.LeftBorderWidth, CurrentPane.PaneFrame.TopBorderWidth);
clientRect.Width -= CurrentPane.PaneFrame.LeftBorderWidth + CurrentPane.PaneFrame.RightBorderWidth;
clientRect.Height -= CurrentPane.PaneFrame.TopBorderWidth + CurrentPane.PaneFrame.BottomBorderWidth;
_frontBuffer.Graphics.SetClip(clientRect);
DrawOutline(_paneResizeEventArgs.AffectedPane.Bounds, _paneResizeEventArgs.AffectedPane.Bounds);
}
}
internal override void ProcessDrag(MouseEventArgs e)
{
Rectangle bounds = _paneResizeEventArgs.AffectedPane.Bounds;
_paneResizeEventArgs.Current = CurrentPane.PointToScreen(new Point(e.X, e.Y));
int num = _paneResizeEventArgs.Current.Y - _paneResizeEventArgs.Start.Y;
int minimumPaneHeight = _paneResizeEventArgs.AffectedPaneInitialHeight + num;
int num3 = _paneResizeEventArgs.AdjacentPaneInitialHeight - num;
if (minimumPaneHeight < _paneResizeEventArgs.AffectedPane.MinimumPaneHeight)
{
minimumPaneHeight = _paneResizeEventArgs.AffectedPane.MinimumPaneHeight;
num3 = (_paneResizeEventArgs.AdjacentPaneInitialHeight + _paneResizeEventArgs.AffectedPaneInitialHeight) -
_paneResizeEventArgs.AffectedPane.MinimumPaneHeight;
}
if (num3 < _paneResizeEventArgs.AdjacentPane.MinimumPaneHeight)
{
num3 = _paneResizeEventArgs.AdjacentPane.MinimumPaneHeight;
minimumPaneHeight = (_paneResizeEventArgs.AffectedPaneInitialHeight +
_paneResizeEventArgs.AdjacentPaneInitialHeight) -
_paneResizeEventArgs.AffectedPane.MinimumPaneHeight;
}
_paneResizeEventArgs.AffectedPane.Height = minimumPaneHeight;
_paneResizeEventArgs.AdjacentPane.Height = num3;
_paneResizeEventArgs.AdjacentPane.Top = (_paneResizeEventArgs.AffectedPane.Top +
_paneResizeEventArgs.AffectedPane.Height) + Chart.InterPaneGap;
Rectangle curRect = _paneResizeEventArgs.AffectedPane.Bounds;
Rectangle rect = _paneResizeEventArgs.AffectedPane.Bounds;
rect.Height += _paneResizeEventArgs.AdjacentPane.Height;
rect = Conversion.ChildToParent(rect, Chart.ClientRect);
if (PaneFrameTool.PaneResizeStyle == PaneResizeStyle.Instantaneous)
{
Chart.Invalidate(rect);
}
else
{
DrawOutline(bounds, curRect);
}
PaneFrameTool.FirePaneResize(_paneResizeEventArgs);
}
