在Windows应用程序中保存之前如何减小图像大小 [英] how to decrease the image size of before saving in windows application

问题描述

先生，

我在该应用程序中使用Windows应用程序，我将图片框图像保存到一个文件夹中.

它的工作正常.但我的目标是保存该图像之前，我先裁剪图像，例如高度为200，宽度为150.

和图像将保存为这些尺寸.

请给一个样品溶液先生.

谢谢

hi sir,

i am using windows application in that application i saved picturebox images into one folder.

its working fine. but my aim is before saving that image i crop the image like height is 200 and width is 150.

and images are saved to take these dimensions.

please give a sample solution sir.

Thanks

推荐答案

您可以使用类似的方法来调整大小:

You could use something like this to resize it:

Dim bm_source As New Bitmap(picturebox.Image)
Dim bm_dest As New Bitmap(150, 200)
Dim gr_dest As Graphics = Graphics.FromImage(bm_dest)
gr_dest.DrawImage(bm_source, 0, 0, bm_dest.Width + 1, bm_dest.Height + 1)
picturebox.Image = bm_dest

当然，您也可以将位图立即保存到文件中，而无需将其分配回图片框.

祝你好运！

You could also save the bitmap immediately to file of course without assigning it back to the picturebox.

Good luck!

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