Can WriteableBitmap only be written-to once?

Question

I'm setting an Image's Source to a WriteableBitmap, and I'm populating that WriteableBitmap using its PixelBuffer. The first time I write to it, it works. But subsequent writes are ignored. Why?

I'm using:

Stream s = myWriteableBitmap.PixelBuffer.AsStream()

(it's in a using. and I'm not getting any exceptions)

Have you tried [to call *Invalidate* on your bitmap](http://stackoverflow.com/a/40407297/2681948)? — Romasz, Nov 06 '16 at 21:23

score 1 · Accepted Answer · edited May 23 '17 at 12:13

1

Following Rob Claplan's answer you should call Invalidate after performing changes to your Bitmap.

edited May 23 '17 at 12:13

Community

1
1

answered Nov 06 '16 at 21:32

Romasz

29,662
13
79
154

Can WriteableBitmap only be written-to once?

1 Answers1