/// <summary>
/// Clears all previous selections, snapping information etc.
/// </summary>
internal void ClearAllPreviousCommandData()
{
points.Clear();
selEntity = null;
selEntityIndex = -1;
snapPoint = null;
drawingArc = false;
drawingCircle = false;
drawingCurve = false;
drawingEllipse = false;
drawingEllipticalArc = false;
drawingLine = false;
drawingLinearDim = false;
drawingOrdinateDim = false;
drawingPoints = false;
drawingText = false;
drawingLeader = false;
drawingPolyLine = false;
drawingRadialDim = false;
drawingAlignedDim = false;
drawingQuadrantPoint = false;
drawingAngularDim = false;
drawingAngularDimFromLines = false;
firstClick = true;
doingMirror = false;
doingOffset = false;
doingTrim = false;
doingExtend = false;
doingChamfer = false;
doingMove = false;
doingScale = false;
doingRotate = false;
doingFillet = false;
doingTangents = false;
firstSelectedEntity = null;
secondSelectedEntity = null;
firstLine = null;
secondLine = null;
quadrantPoint = null;
activeOperationLabel = "";
ActionMode = actionType.None;
Entities.ClearSelection();
ObjectManipulator.Cancel();
}
