How to create a blank png image in vb.net

This seems so trivial, yet I cannot find where or how to do this.

i need to be able to create o开发者_开发问答n the fly blank png in a WPF project. Size of the png does not matter, I just need to be able to create one and save it on a specifiy path by pressing a button.

For some reason, I can't find it anywhere.

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You can create a Bitmap object and manipulate it as you need. The Bitmap object has a Save method that let's you specify what file format to save it as, one choice being Png.

http://msdn.microsoft.com/en-us/library/system.drawing.bitmap.aspx

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try:

bm.Save(filename, Imaging.ImageFormat.Png);