internal override void StartDrag(MouseEventArgs e) { _startLoc = new Point(e.X, e.Y); _previousLoc = new Point(e.X, e.Y); _screenGraphics = Chart.CreateGraphics(); _backBuffer = new MemGraphics(Chart.Width, Chart.Height); _frontBuffer = new MemGraphics(Chart.Width, Chart.Height); 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; clientRect.Height -= Chart.Panes.XAxisPane.FixedHeight; _frontBuffer.Graphics.SetClip(clientRect); if (PaneFrameTool.PaneMoveStyle == PaneMoveStyle.Outline) { _pen = new Pen(Chart.visualSettings.PaneFrameToolOutlineColor, 2f); DrawOutline(_previousLoc, _startLoc); } else { _imageAttr = new ImageAttributes(); _colorMatrix = new ColorMatrix(); DrawImage(_previousLoc, _startLoc); } }
internal override void StartDrag(MouseEventArgs e) { _startLoc = new Point(e.X, e.Y); _previousLoc = new Point(e.X, e.Y); screenGraphics = Chart.CreateGraphics(); backBuffer = new MemGraphics(Chart.Width, Chart.Height); frontBuffer = new MemGraphics(Chart.Width, Chart.Height); Chart.Draw(backBuffer.Graphics); var rect = CurrentPane.ClientToChart(CurrentPane.CanvasRect); frontBuffer.Graphics.SetClip(rect); pen = new Pen(ForeColor); brush = new SolidBrush(BackColor); DrawSelection(_startLoc, _startLoc); }
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); } }