标签：fse else war undo dmi off taf int using
// Call this function AFTER operation.
public void NewState(GraphicsList graphicsList)
{
// Keep objects state after operation.
listAfter = new List<DrawObject>();
afterZoomRate = new List<PointF>();
DrawObject newO = null;
bool bValid = false;
foreach (DrawObject o in graphicsList.graphicsList)
{
if(!bValid)
{
//afterZoomRate.X = o.ObjectZoomRate.X;
//afterZoomRate.Y = o.ObjectZoomRate.Y;
afterZoomRate.Add(new PointF(o.ObjectZoomRate.X, o.ObjectZoomRate.Y));
bValid = true;
}
if (o.ObjectType == (int)DrawArea.DrawToolType.Line)
{
listAfter.Add(o.Clone());
}
else if (o.ObjectType == (int)DrawArea.DrawToolType.PolyLine)
{
newO = new DrawPolyLine(((DrawPolyLine)o).pointArray[0].X, ((DrawPolyLine)o).pointArray[0].Y);
int num = 0;
foreach (PointF point in ((DrawPolyLine)o).pointArray.ToArray())
{
if (num >= 1)
{
((DrawPolyLine)newO).AddPoint(point);
}
num++;
}
newO.ID = o.ID;
newO.ObjectType = o.ObjectType;
//记?录?缩?放¤?及??拖a?拽á?ì
newO.ObjectZoomRate = o.ObjectZoomRate;
newO.ObjectDragOffset = o.ObjectDragOffset;
//当ì?à多¨¤段?线?时o?à,List<T>指?向¨°内¨2存?? 当ì?à内¨2存??发¤?é生|¨2变à?化?￥则¨°跟¨2随?之?变à?化?￥ 导ì?致?无T法¤?§撤?¤销¨2恢?复??上|?一°?个?状á??态??
listAfter.Add(newO);
}
}
}
public override void Undo(GraphicsList list)
{
list.Clear();
foreach (DrawObject o in listBefore )
{
list.Add(o.Clone());// o /o.Clone()
}
//UndoObjects(list);
list.UpdateZoomRate(beforeZoomRate[0],true);
}
public override void Redo(GraphicsList list)
{
list.Clear();
foreach (DrawObject o in listAfter)
{
list.Add(o.Clone());//o.Clone() o
}
//RedoObjects(list);
list.UpdateZoomRate(afterZoomRate[0],false);
}
// Replace objects in graphicsList with objects from list
private void UndoObjects(GraphicsList graphicsList)
{
for (int i = 0; i < graphicsList.Count; i++)
{
DrawObject replacement = null;
foreach (DrawObject o in listBefore)
{
if (o.ID == graphicsList[i].ID)
{
replacement = o;
//缩?放¤?比ਨ例¤y
graphicsList.Replace(i, replacement);
}
/* else
{
o.Resize(beforeZoomRate, o.ObjectZoomRate.X);
}*/
}
}
}
// Replace objects in graphicsList with objects from list
private void RedoObjects(GraphicsList graphicsList)
{
for (int i = 0; i < graphicsList.Count; i++)
{
DrawObject replacement = null;
foreach (DrawObject o in listAfter)
{
if (o.ID == graphicsList[i].ID)
{
replacement = o;
//缩?放¤?比ਨ例¤y
graphicsList.Replace(i, replacement);
}
/* else
{
o.Resize(afterZoomRate, o.ObjectZoomRate.X);
}*/
}
}
}
}
}
======================================================================================================================================================================================================================================================
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace CSharp
{
public partial class AdminForm : Form
{
MainForm parentform = new MainForm();
public AdminForm(MainForm parent)
{
InitializeComponent();
parentform = parent;
}
public float GetMergeDis()
{
return (float)(Convert.ToDouble(mergeDistextBox.Text));
}
public float GetSplitDis()
{
return(float)((Convert.ToDouble(splitDistextBox.Text))*parentform.drawArea.pxwidth);
}
}
}
==================================================================================
标签：fse else war undo dmi off taf int using
原文地址：http://www.cnblogs.com/IFISNULL/p/6564985.html
