c# 改变图片大小

 

 1 System.Drawing.Bitmap objPic,objNewPic; 
 2 try 
 3 { 
 4 　　objPic = new System.Drawing.Bitmap(strOldPic); 
 5 　　int intHeight=(intWidth / objPic.Width) * objPic.Height; 
 6 　　objNewPic=new System.Drawing.Bitmap(objPic,intWidth,intHeight); 
 7 　　objNewPic.Save(strNewPic); 
 8 
 9 } 
10 catch(Exception exp){throw exp;} 
11 finally 
12 { 
13 　　objPic=null; 
14 　　objNewPic=null; 
15 } 
16 } 
17 

 

 

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