protected override void OnMouseUp(MouseEventArgs e) { base.OnMouseUp(e); OnMouseMove(e); bool resetMouseDown = true; Cursor = cursorZoom; if (this.moveOffsetMode) { this.moveOffsetMode = false; resetMouseDown = false; } else if (mouseDown == MouseButtons.Left || mouseDown == MouseButtons.Right) { Rectangle zoomTo = rect; rect = Rectangle.Empty; UpdateDrawnRect(); if (e.Button == MouseButtons.Left) { if (Utility.Magnitude(new PointF(zoomTo.Width, zoomTo.Height)) < 10) { DocumentWorkspace.ZoomIn(); DocumentWorkspace.RecenterView(new Point(e.X, e.Y)); } else { DocumentWorkspace.ZoomToRectangle(zoomTo); } } else { DocumentWorkspace.ZoomOut(); DocumentWorkspace.RecenterView(new Point(e.X, e.Y)); } this.outline.Reset(); } if (resetMouseDown) { mouseDown = MouseButtons.None; } }
public override HistoryMemento PerformAction(DocumentWorkspace documentWorkspace) { documentWorkspace.ZoomIn(); return null; }