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Graphics.MeasureString
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public string Abbreviation(string str)
{
if (str == null)
{
return null;
}
int strWidth = FontWidth(txtName.Font, txtName, str);
//»ñÈ¡label×¿ÉÒÔÏÔʾ¶àÉÙ×Ö·û
int len = label.Width * str.Length / strWidth;
if (len > 3 && len < str.Length)
{
return str.Substring(0, len - 3) + "...";
}
else
{
return str;
}
}
/// <summary>
/// »ñÈ¡×Ö·û´®ÔÚ fontʱµÄ³¤¶È
/// </summary>
private int FontWidth(Font font, Control control, s
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using System.Security.Cryptography;
using System.IO;
using System.text;
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/// ¼ÓÃÜ
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abstract ÐÞÊηû¿ÉÒÔºÍÀà¡¢·½·¨¡¢ÊôÐÔ¡¢Ë÷ÒýÆ÷¼°Ê¼þÒ»ÆðʹÓá£ÔÚÀàÉùÃ÷ÖÐʹÓà abstract ÐÞÊηûÒÔָʾij¸öÀàÖ»ÄÜÊÇÆäËûÀàµÄ»ùÀà¡£±ê¼ÇΪ³éÏó»ò°üº¬ÔÚ³éÏóÀàÖеijÉÔ±±ØÐëͨ¹ý´Ó³éÏóÀàÅÉÉúµÄÀàÀ´ÊµÏÖ¡£
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/// <summary>
/// ±È½ÏÁ½·ùͼƬÊÇ·ñÒ»Ö£¨Ê¹ÓÃMarshal.ReadByte·½Ê½£©
/// </summary>
/// <param name="bitmap1">ͼƬ1</param>
/// <param name="bitmap2">ͼƬ2</param>
/// <returns>Èç¹ûÁ½·ùͼƬÏàͬ£¬·µ»Ø0£»Èç¹ûͼƬ1СÓÚͼƬ2£¬·µ»ØÐ¡ÓÚ0µÄÖµ£»Èç¹ûͼƬ1´óÓÚÍ¼Æ ......
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Graphics g = Graphics.fromImage(new Bitmap(1, 1));
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¥ ......