C#实现图形区域组合操作的方法

本文实例讲述了c#实现图形区域组合操作的方法。分享给大家供大家参考。具体实现方法如下：

using system;
using system.collections.generic;
using system.componentmodel;
using system.data;
using system.drawing;
using system.text;
using system.windows.forms;
namespace advanced_drawing
{
  public partial class form17 : form
  {
    public form17()
    {
      initializecomponent();
    }
    private void form17_paint(object sender, painteventargs e)
    {
      rectangle regionrect = new rectangle(20, 20, 100, 100);
      e.graphics.drawrectangle(pens.black, regionrect);
      rectanglef unionrect = new rectanglef(90, 30, 100, 100);
      e.graphics.drawrectangle(pens.red, rectangle.round(unionrect));
      region myregion = new region(regionrect);
      //myregion.union(unionrect);
      //myregion.intersect(unionrect);
      //myregion.exclude(unionrect);
      //myregion.complement(unionrect);
      myregion.xor(unionrect);
      solidbrush mybrush = new solidbrush(color.blue);
      e.graphics.fillregion(mybrush, myregion);
    }
  }
}

希望本文所述对大家的c#程序设计有所帮助。