private void button4_Click(object sender, EventArgs e)
{
//获取属性信息
string attribute = textBox3.Text;
GISAttribute oneattribute = new GISAttribute();
oneattribute.AddValue(attribute);
GISLine oneline = new GISLine(linevertexes); //创建line作为空间对象找到endnode作为属性绘制的位置
Graphics graphics = this.CreateGraphics();
oneattribute.draw(graphics, oneline.endNode(), 0);
}
private void button5_Click(object sender, EventArgs e)
{
//获取属性信息
string attribute = textBox3.Text;
GISAttribute oneattribute = new GISAttribute();
oneattribute.AddValue(attribute);
GISPolygon onepoly = new GISPolygon(polyvertexes);
Graphics graphics = this.CreateGraphics();
oneattribute.draw(graphics, onepoly.endNode(), 0);
}
public void draw(Graphics graphics, bool DrawAttributeOrNot, int index)
//画空间与属性信息
{
spatialpart.draw(graphics);
if (DrawAttributeOrNot)
{
/*
* if (spatialpart is GISLine)
* attributepart.draw2(graphics, spatialpart.endNode(), index);
* else if (spatialpart is GISPolygon)
* attributepart.draw3(graphics, spatialpart.endNode(), index);
* else
*/
attributepart.draw(graphics, spatialpart.endNode(), index);
}
//此处引用了attributed的方法
}
