public static void Main_6_3_2() //Main_6_3_2
{
NestedCls myCls = new NestedCls();
myCls.MyMethod();
using (Font f = new Font("Verdana", 12, FontStyle.Regular))
{
//执行文本绘制操作
//Graphics g = e.Graphics;
//Rectangle rect = new Rectangle(10, 10, 200, 200);
//g.DrawString("Try finally dispose font.", f, Brushes.Black, rect);
}
Font f2 = new Font("Arial", 10, FontStyle.Bold);
try
{
//Graphics g = new Graphics();
//Rectangle rect = new Rectangle(10, 10, 200, 200);
//g.DrawString("Try finally dispose font.", f2, Brushes.Black, rect);
//执行文本绘制操作
}
finally
{
if (f2 != null)
{
((IDisposable)f2).Dispose();
}
}
//同时初始化多个变量
using (Pen p1 = new Pen(Brushes.Black), p2 = new Pen(Brushes.Blue))
{
//
}
using (IDisposable font = new Font("Verdana", 12, FontStyle.Regular), pen = new Pen(Brushes.Black))
{
float size = (font as Font).Size;
Brush brush = (pen as Pen).Brush;
}
//在using语句之前声明对象
Font f3 = new Font("Verdana", 9, FontStyle.Regular);
using (f3)
{
//执行文本绘制操作
//Graphics g = e.Graphics;
//Rectangle rect = new Rectangle(10, 10, 200, 200);
//g.DrawString("Try finally dispose font.", f, Brushes.Black, rect);
}
}
//Main_6_3_2
public static void Main_6_3_2()
{
NestedCls myCls = new NestedCls();
myCls.MyMethod();
using (Font f = new Font("Verdana", 12, FontStyle.Regular))
{
//ִ���ı����Ʋ���
//Graphics g = e.Graphics;
//Rectangle rect = new Rectangle(10, 10, 200, 200);
//g.DrawString("Try finally dispose font.", f, Brushes.Black, rect);
}
Font f2 = new Font("Arial", 10, FontStyle.Bold);
try
{
//Graphics g = new Graphics();
//Rectangle rect = new Rectangle(10, 10, 200, 200);
//g.DrawString("Try finally dispose font.", f2, Brushes.Black, rect);
//ִ���ı����Ʋ���
}
finally
{
if (f2 != null)
((IDisposable)f2).Dispose();
}
//ͬʱ��ʼ���������
using (Pen p1 = new Pen(Brushes.Black), p2 = new Pen(Brushes.Blue))
{
//
}
using (IDisposable font = new Font("Verdana", 12, FontStyle.Regular), pen = new Pen(Brushes.Black))
{
float size = (font as Font).Size;
Brush brush = (pen as Pen).Brush;
}
//��using���֮ǰ��������
Font f3 = new Font("Verdana", 9, FontStyle.Regular);
using (f3)
{
//ִ���ı����Ʋ���
//Graphics g = e.Graphics;
//Rectangle rect = new Rectangle(10, 10, 200, 200);
//g.DrawString("Try finally dispose font.", f, Brushes.Black, rect);
}
}
