. Net automatically scales down or zooms in proportion to uploaded images.

Source: Internet
Author: User


/** // <Summary>
/// Scale down the image in proportion and automatically calculate the width
/// </Summary>
/// <Param name = "strOldPic"> source image file name (including path) </param>
/// <Param name = "strNewPic"> zoom out and save it as a file name (including path) </param>
/// <Param name = "intHeight"> zoom down to height </param>
Public void SmallPicWidth (string strOldPic, string strNewPic, int intHeight)
{
System. Drawing. Bitmap objPic, objNewPic;
Try
{
ObjPic = new System. Drawing. Bitmap (strOldPic );
Int intWidth = (intHeight/objPic. Height) * objPic. Width;
ObjNewPic = new System. Drawing. Bitmap (objPic, intWidth, intHeight );
ObjNewPic. Save (strNewPic );
}
Catch (Exception exp) {throw exp ;}
Finally
{
ObjPic = null;
ObjNewPic = null;
}
}
/** // <Summary>
& Nbs

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