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<bookstore>
<book genre="fantasy" ISBN="2-3631-4">
<title>Oberon's Legacy</title>
<author>Corets, Eva</author>
<price>5.95</price> ......

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if (((string)((ComboBoxItem)cmbField.SelectedItem).Value).Equals("System.DateTime"))
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interface ISampleInterface
{
    void SampleMethod();
}
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Collections;
namespace ½«Ã¶¾Ù×÷Ϊ¼üÖµµÄÐÎʽ´æ´¢
{
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 SizeF size = g.MeasureString(lblTitle.Text, new Font("ËÎÌå", 24 * 0.0625F, FontStyle.Bold));
 float oldSize=(800*0.0625F);//1px=0.0625em
 float newSize = (0.75F/size.Width )* oldSize;
size.Width µÄµ¥ ......
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