/// <summary> /// Right mouse button is released /// </summary> /// <param name="drawArea"></param> /// <param name="e"></param> public override void OnMouseUp(DrawArea drawArea, MouseEventArgs e) { if (selectMode == SelectionMode.NetSelection) { // Remove old selection rectangle ControlPaint.DrawReversibleFrame( drawArea.RectangleToScreen(DrawRectangle.GetNormalizedRectangle(startPoint, lastPoint)), Color.Black, FrameStyle.Dashed); // Make group selection drawArea.GraphicsList.SelectInRectangle( DrawRectangle.GetNormalizedRectangle(startPoint, lastPoint)); selectMode = SelectionMode.None; } if (resizedObject != null) { // after resizing resizedObject.Normalize(); resizedObject = null; } drawArea.Capture = false; drawArea.Refresh(); if (commandChangeState != null && wasMove) { // Keep state after moving/resizing and add command to history commandChangeState.NewState(drawArea.GraphicsList); drawArea.AddCommandToHistory(commandChangeState); commandChangeState = null; } }
/// <summary> /// Draw rectangle /// </summary> /// <param name="g"></param> public override void Draw(Graphics g) { Pen pen = new Pen(Color, PenWidth); g.DrawRectangle(pen, DrawRectangle.GetNormalizedRectangle(Rectangle)); pen.Dispose(); }
/// <summary> /// Clone this instance /// </summary> public override DrawObject Clone() { DrawRectangle drawRectangle = new DrawRectangle(); drawRectangle.rectangle = rectangle; FillDrawObjectFields(drawRectangle); return(drawRectangle); }
/// <summary> /// Draw rectangle /// </summary> /// <param name="g"></param> public override void Draw(Graphics g, double zoomFactor = 1.0) { Pen pen = new Pen(Color, PenWidth); int zX = (int)(Math.Round(Rectangle.X * zoomFactor)); int zY = (int)(Math.Round(Rectangle.Y * zoomFactor)); int zW = (int)(Math.Round(Rectangle.Width * zoomFactor)); int zH = (int)(Math.Round(Rectangle.Height * zoomFactor)); Rectangle zoomedRect = new Rectangle(zX, zY, zW, zH); g.DrawRectangle(pen, DrawRectangle.GetNormalizedRectangle(zoomedRect)); pen.Dispose(); }
/// <summary> /// Right mouse button is released /// </summary> /// <param name="drawArea"></param> /// <param name="e"></param> public override void OnMouseUp(ImageDrawBox drawArea, MouseEventArgs e) { if (selectMode == SelectionMode.NetSelection) { // Remove old selection rectangle ControlPaint.DrawReversibleFrame( drawArea.RectangleToScreen(DrawRectangle.GetNormalizedRectangle(startPoint, lastPoint)), Color.Black, FrameStyle.Dashed); //Point pointscroll = GetEventPointInArea(drawArea, e); // Make group selection //zhoujin - user zoomfactor //drawArea.GraphicsList.SelectInRectangle( // DrawRectangle.GetNormalizedRectangle(new Point(startPoint.X + Math.Abs(drawArea.AutoScrollPosition.X), startPoint.Y + Math.Abs(drawArea.AutoScrollPosition.Y)), // new Point(lastPoint.X + Math.Abs(drawArea.AutoScrollPosition.X), lastPoint.Y + Math.Abs(drawArea.AutoScrollPosition.Y)))); double zoomFactor = drawArea.ZoomFactor; drawArea.GraphicsList.SelectInRectangle( DrawRectangle.GetNormalizedRectangle(new Point(ConvertToZoomed(startPoint.X, zoomFactor), ConvertToZoomed(startPoint.Y, zoomFactor)), new Point(ConvertToZoomed(lastPoint.X, zoomFactor), ConvertToZoomed(lastPoint.Y, zoomFactor)))); selectMode = SelectionMode.None; } if (resizedObject != null) { // after resizing resizedObject.Normalize(); resizedObject = null; } drawArea.Capture = false; drawArea.Refresh(); drawArea.GraphicsList.Dirty = true; if (commandChangeState != null && wasMove) { // Keep state after moving/resizing and add command to history commandChangeState.NewState(drawArea.GraphicsList); drawArea.AddCommandToHistory(commandChangeState); commandChangeState = null; } }
/// <summary> /// Left mouse is released. /// New object is created and resized. /// </summary> /// <param name="drawArea"></param> /// <param name="e"></param> public override void OnMouseUp(ImageDrawBox drawArea, MouseEventArgs e) { drawArea.GraphicsList[0].Normalize(); drawArea.AddCommandToHistory(new CommandAdd(drawArea.GraphicsList[0])); drawArea.ActiveTool = ImageDrawBox.DrawToolType.Pointer; //TODO : 这部分代码需要整理 //zhoujin: 如果是正在定标则删除图形,并弹出定标窗口 if (drawArea.DrawMode == ImageDrawBox.DrawingMode.SetUnit) { DrawObject drawObj = drawArea.GraphicsList[0]; //定标只支持用画直线的方式 if (drawObj is DrawLine) { DrawLine drawLine = drawObj as DrawLine; double pxLen = CalcLenght(drawLine.StartPoint, drawLine.EndPoint); SetUnitForm setUnitForm = new SetUnitForm(drawArea, pxLen); setUnitForm.ShowDialog(); drawArea.GraphicsList.DeleteLastAddedObject(); drawArea.DrawMode = ImageDrawBox.DrawingMode.Measure; } } if (drawArea.DrawMode == ImageDrawBox.DrawingMode.SetROI) { DrawObject drawObj = drawArea.GraphicsList[0]; //设置ROI只支持用矩形绘制 if (drawObj is DrawRectangle) { DrawRectangle drawRect = drawObj as DrawRectangle; drawArea.SetROI(drawRect.GetBoundingBox()); drawArea.GraphicsList.DeleteLastAddedObject(); drawArea.DrawMode = ImageDrawBox.DrawingMode.Measure; } } drawArea.Capture = false; drawArea.Refresh(); drawArea.GraphicsList.Dirty = true; }
/// <summary> /// Normalize rectangle /// </summary> public override void Normalize() { rectangle = DrawRectangle.GetNormalizedRectangle(rectangle); }
/// <summary> /// Left mouse button is pressed /// </summary> /// <param name="drawArea"></param> /// <param name="e"></param> public override void OnMouseDown(DrawArea drawArea, MouseEventArgs e) { Point pointscroll = GetEventPointInArea(drawArea, e); commandChangeState = null; wasMove = false; selectMode = SelectionMode.None; // Test for resizing (only if control is selected, cursor is on the handle) foreach (DrawObject o in drawArea.GraphicsList.Selection) { int handleNumber = o.HitTest(pointscroll); if (handleNumber > 0) { selectMode = SelectionMode.Size; // keep resized object in class member resizedObject = o; resizedObjectHandle = handleNumber; // Since we want to resize only one object, unselect all other objects drawArea.GraphicsList.UnselectAll(); o.Selected = true; commandChangeState = new CommandChangeState(drawArea.GraphicsList); drawArea.GraphicsList.Dirty = true; break; } } // Test for move (cursor is on the object) if (selectMode == SelectionMode.None) { int n1 = drawArea.GraphicsList.Count; DrawObject o = null; for (int i = 0; i < n1; i++) { if (drawArea.GraphicsList[i].HitTest(pointscroll) == 0) { o = drawArea.GraphicsList[i]; break; } } if (o != null) { selectMode = SelectionMode.Move; // Unselect all if Ctrl is not pressed and clicked object is not selected yet if ((Control.ModifierKeys & Keys.Control) == 0 && !o.Selected) { drawArea.GraphicsList.UnselectAll(); } // Select clicked object o.Selected = true; commandChangeState = new CommandChangeState(drawArea.GraphicsList); drawArea.Cursor = Cursors.SizeAll; drawArea.GraphicsList.Dirty = true; } } // Net selection if (selectMode == SelectionMode.None) { // click on background if ((Control.ModifierKeys & Keys.Control) == 0) { drawArea.GraphicsList.UnselectAll(); } selectMode = SelectionMode.NetSelection; } lastPoint.X = e.X; lastPoint.Y = e.Y; startPoint.X = e.X; startPoint.Y = e.Y; drawArea.Capture = true; drawArea.Refresh(); if (selectMode == SelectionMode.NetSelection) { // Draw selection rectangle in initial position ControlPaint.DrawReversibleFrame( drawArea.RectangleToScreen(DrawRectangle.GetNormalizedRectangle(startPoint, lastPoint)), Color.Black, FrameStyle.Dashed); } }
/// <summary> /// Mouse is moved. /// None button is pressed, or left button is pressed. /// </summary> /// <param name="drawArea"></param> /// <param name="e"></param> public override void OnMouseMove(DrawArea drawArea, MouseEventArgs e) { Point pointscroll = GetEventPointInArea(drawArea, e); Point oldPoint = lastPoint; wasMove = true; // set cursor when mouse button is not pressed if (e.Button == MouseButtons.None) { Cursor cursor = null; for (int i = 0; i < drawArea.GraphicsList.Count; i++) { int n = drawArea.GraphicsList[i].HitTest(pointscroll); if (n > 0) { cursor = drawArea.GraphicsList[i].GetHandleCursor(n); break; } } if (cursor == null) { cursor = Cursors.Default; } drawArea.Cursor = cursor; return; } if (e.Button != MouseButtons.Left) { return; } /// Left button is pressed // Find difference between previous and current position int dx = e.X - lastPoint.X; int dy = e.Y - lastPoint.Y; lastPoint.X = e.X; lastPoint.Y = e.Y; // resize if (selectMode == SelectionMode.Size) { if (resizedObject != null) { resizedObject.MoveHandleTo(pointscroll, resizedObjectHandle); drawArea.SetDirty(); drawArea.Refresh(); drawArea.GraphicsList.Dirty = true; } } // move if (selectMode == SelectionMode.Move) { foreach (DrawObject o in drawArea.GraphicsList.Selection) { o.Move(dx, dy); } drawArea.Cursor = Cursors.SizeAll; drawArea.SetDirty(); drawArea.Refresh(); drawArea.GraphicsList.Dirty = true; } if (selectMode == SelectionMode.NetSelection) { // Remove old selection rectangle ControlPaint.DrawReversibleFrame( drawArea.RectangleToScreen(DrawRectangle.GetNormalizedRectangle(startPoint, oldPoint)), Color.Black, FrameStyle.Dashed); // Draw new selection rectangle ControlPaint.DrawReversibleFrame( drawArea.RectangleToScreen(DrawRectangle.GetNormalizedRectangle(startPoint, new Point(e.X, e.Y))), Color.Black, FrameStyle.Dashed); return; } }
public override void OnMouseDown(DrawArea drawArea, MouseEventArgs e) { _selectMode = SelectionMode.None; PointF point = new Point(e.X, e.Y); // òåñò äëÿ ðåñàéçà int n = drawArea.GraphicsList.SelectionCount; for (int i = 0; i < n; i++) { DrawObject o = drawArea.GraphicsList.GetSelectedObject(i); int handleNumber = o.HitTest(point); bool hitOnOutline = o.HitOnCircumferance; if (handleNumber > 0) { _selectMode = SelectionMode.Size; // äåðæèì èçìåíÿåìûé îáúåêò â ÷ëåíàõ êëàññà _resizedObject = o; _resizedObjectHandle = handleNumber; // ïðè ðåñàéçå îäíîãî îáúåêòà, àíñåëåêòÿòñÿ âñå îñòàëüíûå drawArea.GraphicsList.UnselectAll(); o.Selected = true; o.MouseClickOnHandle(handleNumber); break; } if (hitOnOutline && (n == 1)) // åñëè òîëüêî îäèí îáúåêò âûáðàí { _selectMode = SelectionMode.Size; o.MouseClickOnBorder(); o.Selected = true; } } // òåñò äëÿ ñäâèãà if (_selectMode == SelectionMode.None) { int n1 = drawArea.GraphicsList.Count; DrawObject o = null; for (int i = 0; i < n1; i++) { if (drawArea.GraphicsList[i].HitTest(point) == 0) { o = drawArea.GraphicsList[i]; break; } } if (o != null) { _selectMode = SelectionMode.Move; // àíñåëåêòíóòü âñå, åñëè íå çàæàò ctrl è êëèêíóòíûé îáúåêò åùå íå âûáðàí if ((Control.ModifierKeys & Keys.Control) == 0 && !o.Selected) { drawArea.GraphicsList.UnselectAll(); } // âûáðàòü êëèêíóòûé îáúåêò o.Selected = true; drawArea.Cursor = Cursors.SizeAll; } } if (_selectMode == SelectionMode.None) { // êëèê íà çàäíåì ôîíå if ((Control.ModifierKeys & Keys.Control) == 0) { drawArea.GraphicsList.UnselectAll(); } _selectMode = SelectionMode.NetSelection; drawArea.DrawNetRectangle = true; } _lastPoint.X = e.X; _lastPoint.Y = e.Y; _startPoint.X = e.X; _startPoint.Y = e.Y; drawArea.Capture = true; drawArea.NetRectangle = DrawRectangle.GetNormalizedRectangle(_startPoint, _lastPoint); drawArea.Refresh(); }
public EditorDialog(String ID, DrawObject obj, string entry, List <string> verifyList, DeviceTypeEnum DeviceTypeStr, DeviceTypeEnum subDeviceType, List <string> ipVerifyList) { InitializeComponent(); _verifyList = verifyList; _ipVerifyList = ipVerifyList; this.ID = ID; this.name = obj.GetType().Name; //bool canArrayed = false; if (ID.Trim() != "") { textBox1.Text = ID.Substring(ID.Length - 2, 2); textBox1.Enabled = false; } else { textBox1.Text = "00"; textBox1.Enabled = true; } this.x_axis = obj.GetRectangle().X; this.y_axis = obj.GetRectangle().Y; this.width = obj.GetRectangle().Width; this.height = obj.GetRectangle().Height; this.txt_Xaris.Text = this.x_axis.ToString(); this.txt_Yaxis.Text = this.y_axis.ToString(); DrawRectangle drawObj = null; if (name == "BOM") { drawObj = obj as BOM; this.IpAdd = drawObj.IpAdd; this.DeviceName = drawObj.DeviceName; } else if (name == "TVM") { drawObj = obj as TVM; this.IpAdd = drawObj.IpAdd; this.DeviceName = drawObj.DeviceName; } else if (name == "TCM") { drawObj = obj as TCM; this.IpAdd = drawObj.IpAdd; this.DeviceName = drawObj.DeviceName; } else if (name == "AGMChannelDual") { drawObj = obj as AGMChannelDual; //comboBox1.Visible = true; //label4.Visible = true; this.entry = entry; // comboBox1.Text = entry; this.IpAdd = drawObj.IpAdd; this.DeviceName = drawObj.DeviceName; } else if (name == "AGMChannel") { drawObj = obj as AGMChannel; this.IpAdd = drawObj.IpAdd; this.DeviceName = drawObj.DeviceName; } else if (name == "SC") { drawObj = obj as SC; this.IpAdd = drawObj.IpAdd; this.DeviceName = drawObj.DeviceName; } this.txtDeviceName.Text = drawObj.DeviceName; this.ipInputTextbox1.IP = drawObj.IpAdd; this.txtHeight.Text = drawObj.GetRectangle().Height.ToString(); this.txtWidth.Text = drawObj.GetRectangle().Width.ToString(); this.DeviceType = DeviceTypeStr.ToString(); // if (textBox1.Text.Trim() == ID) button1.Enabled = false; }
/// <summary> /// Left mouse button is pressed /// </summary> /// <param name="drawArea"></param> /// <param name="e"></param> public override void OnMouseDown(DrawArea drawArea, MouseEventArgs e) { commandChangeState = null; wasMove = false; selectMode = SelectionMode.None; Point point = drawArea.BackTrackMouse(new Point(e.X, e.Y)); // Test for resizing (only if control is selected, cursor is on the handle) int al = drawArea.TheLayers.ActiveLayerIndex; int n = drawArea.TheLayers[al].Graphics.SelectionCount; for (int i = 0; i < n; i++) { DrawObject o = drawArea.TheLayers[al].Graphics.GetSelectedObject(i); int handleNumber = o.HitTest(point); if (handleNumber > 0) { selectMode = SelectionMode.Size; // keep resized object in class members resizedObject = o; resizedObjectHandle = handleNumber; // Since we want to resize only one object, unselect all other objects drawArea.TheLayers[al].Graphics.UnselectAll(); o.Selected = true; commandChangeState = new CommandChangeState(drawArea.TheLayers); break; } } // Test for move (cursor is on the object) if (selectMode == SelectionMode.None) { int n1 = drawArea.TheLayers[al].Graphics.Count; DrawObject o = null; for (int i = 0; i < n1; i++) { if (drawArea.TheLayers[al].Graphics[i].HitTest(point) == 0) { o = drawArea.TheLayers[al].Graphics[i]; break; } } if (o != null) { selectMode = SelectionMode.Move; // Unselect all if Ctrl is not pressed and clicked object is not selected yet if ((Control.ModifierKeys & Keys.Control) == 0 && !o.Selected) { drawArea.TheLayers[al].Graphics.UnselectAll(); } // Select clicked object o.Selected = true; commandChangeState = new CommandChangeState(drawArea.TheLayers); drawArea.Cursor = Cursors.SizeAll; } } // Net selection if (selectMode == SelectionMode.None) { // click on background if ((Control.ModifierKeys & Keys.Control) == 0) { drawArea.TheLayers[al].Graphics.UnselectAll(); } selectMode = SelectionMode.NetSelection; drawArea.DrawNetRectangle = true; } lastPoint.X = point.X; lastPoint.Y = point.Y; startPoint.X = point.X; startPoint.Y = point.Y; drawArea.Capture = true; drawArea.NetRectangle = DrawRectangle.GetNormalizedRectangle(startPoint, lastPoint); drawArea.Refresh(); }
/// <summary> /// Mouse is moved. /// None button is pressed, ot left button is pressed. /// </summary> /// <param name="drawArea"></param> /// <param name="e"></param> public override void OnMouseMove(DrawArea drawArea, MouseEventArgs e) { Point point = drawArea.BackTrackMouse(new Point(e.X, e.Y)); int al = drawArea.TheLayers.ActiveLayerIndex; wasMove = true; //toolTip.InitialDelay = 1; // set cursor when mouse button is not pressed if (e.Button == MouseButtons.None) { Cursor cursor = null; if (drawArea.TheLayers[al].Graphics != null) { // Hide tooltip in case it was displayed //toolTip.Hide(drawArea); for (int i = 0; i < drawArea.TheLayers[al].Graphics.Count; i++) { int n = drawArea.TheLayers[al].Graphics[i].HitTest(point); if (n > 0) { cursor = drawArea.TheLayers[al].Graphics[i].GetHandleCursor(n); break; } //if (n == 0) // toolTip.Show(drawArea.TheLayers[al].Graphics[i].TipText, drawArea, point, 250); } } if (cursor == null) { cursor = Cursors.Default; } drawArea.Cursor = cursor; return; } if (e.Button != MouseButtons.Left) { return; } // Left button is pressed // Find difference between previous and current position int dx = point.X - lastPoint.X; int dy = point.Y - lastPoint.Y; lastPoint.X = point.X; lastPoint.Y = point.Y; // resize if (selectMode == SelectionMode.Size) { if (resizedObject != null) { resizedObject.MoveHandleTo(point, resizedObjectHandle); drawArea.Refresh(); } } // move if (selectMode == SelectionMode.Move) { int n = drawArea.TheLayers[al].Graphics.SelectionCount; for (int i = 0; i < n; i++) { drawArea.TheLayers[al].Graphics.GetSelectedObject(i).Move(dx, dy); } drawArea.Cursor = Cursors.SizeAll; drawArea.Refresh(); } if (selectMode == SelectionMode.NetSelection) { drawArea.NetRectangle = DrawRectangle.GetNormalizedRectangle(startPoint, lastPoint); drawArea.Refresh(); return; } }
/// <summary> /// Mouse is moved. /// None button is pressed, ot left button is pressed. /// </summary> /// <param name="drawArea"></param> /// <param name="e"></param> public override void OnMouseMove(DrawArea drawArea, MouseEventArgs e) { Point point = new Point(e.X, e.Y); // set cursor when mouse button is not pressed if (e.Button == MouseButtons.None) { Cursor cursor = null; for (int i = 0; i < drawArea.GraphicsList.Count; i++) { int n = drawArea.GraphicsList[i].HitTest(point); if (n > 0) { cursor = drawArea.GraphicsList[i].GetHandleCursor(n); break; } } if (cursor == null) { cursor = Cursors.Default; } drawArea.Cursor = cursor; return; } if (e.Button != MouseButtons.Left) { return; } /// Left button is pressed // Find difference between previous and current position int dx = e.X - lastPoint.X; int dy = e.Y - lastPoint.Y; lastPoint.X = e.X; lastPoint.Y = e.Y; // resize if (selectMode == SelectionMode.Size) { if (resizedObject != null) { resizedObject.MoveHandleTo(point, resizedObjectHandle); drawArea.SetDirty(); drawArea.Refresh(); } } // move if (selectMode == SelectionMode.Move) { int n = drawArea.GraphicsList.SelectionCount; for (int i = 0; i < n; i++) { drawArea.GraphicsList.GetSelectedObject(i).Move(dx, dy); } drawArea.Cursor = Cursors.SizeAll; drawArea.SetDirty(); drawArea.Refresh(); } if (selectMode == SelectionMode.NetSelection) { drawArea.NetRectangle = DrawRectangle.GetNormalizedRectangle(startPoint, lastPoint); drawArea.Refresh(); return; } }
/// <summary> /// Normalize rectangle /// </summary> public override void Normalize() { UndoRedoManager.Instance().Push(r => rectangle = DrawRectangle.GetNormalizedRectangle(r), rectangle); rectangle = DrawRectangle.GetNormalizedRectangle(rectangle); }
/// <summary> /// Clone this instance /// </summary> public override DrawObject Clone() { DrawRectangle drawRectangle = new DrawRectangle(); drawRectangle.rectangle = this.rectangle; FillDrawObjectFields(drawRectangle); return drawRectangle; }
public override void OnMouseMove(DrawArea drawArea, MouseEventArgs e) { var point = new Point(e.X, e.Y); // óñòàíîâêà êóðñîðà, êîãäà ìûøü íå çàæàòà if (e.Button == MouseButtons.None) { Cursor cursor = null; for (int i = 0; i < drawArea.GraphicsList.Count; i++) { int n = drawArea.GraphicsList[i].HitTest(point); if (n > 0) { cursor = drawArea.GraphicsList[i].GetHandleCursor(n); break; } if (drawArea.GraphicsList[i].HitOnCircumferance) { cursor = drawArea.GraphicsList[i].GetOutlineCursor(n); break; } } if (cursor == null) { cursor = Cursors.Default; } drawArea.Cursor = cursor; return; } if (e.Button != MouseButtons.Left) { return; } // íàæàòèå ëåâîé êíîïêè // ðàçíèöà ìåæäó ïðåä. è òåê. ïîçèöèåé float dx = e.X - _lastPoint.X; float dy = e.Y - _lastPoint.Y; _lastPoint.X = e.X; _lastPoint.Y = e.Y; // ðåñàéç if (_selectMode == SelectionMode.Size) { if (_resizedObject != null) { _resizedObject.MoveHandleTo(point, _resizedObjectHandle); drawArea.SetDirty(); drawArea.Refresh(); } } // ñäâèã if (_selectMode == SelectionMode.Move) { int n = drawArea.GraphicsList.SelectionCount; for (int i = 0; i < n; i++) { drawArea.GraphicsList.GetSelectedObject(i).Move(dx, dy); } drawArea.Cursor = Cursors.SizeAll; drawArea.SetDirty(); drawArea.Refresh(); } if (_selectMode == SelectionMode.NetSelection) { drawArea.NetRectangle = DrawRectangle.GetNormalizedRectangle(_startPoint, _lastPoint); drawArea.Refresh(); return; } }
/// <summary> /// Left mouse button is pressed /// </summary> /// <param name="drawArea"></param> /// <param name="e"></param> public override void OnMouseDown(DrawArea drawArea, MouseEventArgs e) { _selectMode = SelectionMode.None; PointF point = new Point(e.X, e.Y); // Test for resizing (only if control is selected, cursor is on the handle) int n = drawArea.GraphicsList.SelectionCount; for (int i = 0; i < n; i++) { DrawObject o = drawArea.GraphicsList.GetSelectedObject(i); int handleNumber = o.HitTest(point); bool hitOnOutline = o.HitOnCircumferance; if (handleNumber > 0) { _selectMode = SelectionMode.Size; // keep resized object in class members _resizedObject = o; _resizedObjectHandle = handleNumber; // Since we want to resize only one object, unselect all other objects drawArea.GraphicsList.UnselectAll(); o.Selected = true; o.MouseClickOnHandle(handleNumber); break; } if (hitOnOutline && (n == 1)) //only one item is selected { _selectMode = SelectionMode.Size; o.MouseClickOnBorder(); o.Selected = true; } } // Test for move (cursor is on the object) if (_selectMode == SelectionMode.None) { int n1 = drawArea.GraphicsList.Count; DrawObject o = null; for (int i = 0; i < n1; i++) { if (drawArea.GraphicsList[i].HitTest(point) == 0) { o = drawArea.GraphicsList[i]; break; } } if (o != null) { _selectMode = SelectionMode.Move; // Unselect all if Ctrl is not pressed and clicked object is not selected yet if ((Control.ModifierKeys & Keys.Control) == 0 && !o.Selected) { drawArea.GraphicsList.UnselectAll(); } // Select clicked object o.Selected = true; drawArea.Cursor = Cursors.SizeAll; } } // Net selection if (_selectMode == SelectionMode.None) { // click on background if ((Control.ModifierKeys & Keys.Control) == 0) { drawArea.GraphicsList.UnselectAll(); } _selectMode = SelectionMode.NetSelection; drawArea.DrawNetRectangle = true; } _lastPoint.X = e.X; _lastPoint.Y = e.Y; _startPoint.X = e.X; _startPoint.Y = e.Y; drawArea.Capture = true; drawArea.NetRectangle = DrawRectangle.GetNormalizedRectangle(_startPoint, _lastPoint); drawArea.Refresh(); }