A generic error occurred in GDI+.

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I want to save an image to the same file it was created from.
Platform: C#.Net.

C#

Bitmap varBmp = (Bitmap)Bitmap.FromFile(@"E:\a.jpg");
 //do something
 varBmp.Save(@"E:\a.jpg");

It shows the following error:
A generic error occurred in GDI+.

How to solve the problem?
How to get the handle of the varBmp image?

Thanks in advance.

Posted 13-Nov-11 23:24pm

akul123

Updated 13-Nov-11 23:26pm

v2

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4 solutions

Solution 1

http://stackoverflow.com/questions/336387/image-save-throws-a-gdi-exception-because-the-memory-stream-is-closed[^]

Google[^] for more.

Posted 13-Nov-11 23:30pm

Prerak Patel

Solution 2

The first thing to check is if the source file is set to read-only ... I know that's probably not likely ...

It would help to know what you have done with the varBmp before you try and re-save: is it possible you've created some object that needs to be disposed, and is not, now, disposed ?

Is it possible you have not wrapped some operation in a Using{} block that needs the auto-dispose implemented by the Using block ?

Posted 13-Nov-11 23:32pm

BillWoodruff

v2

Solution 4

I have tried this solution, by disposing the original object it gives the same error.

Posted 19-Jun-13 19:24pm

A.Q.Ghouri

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OriginalGriff · Accepted Answer · 2011-11-13T23:41:00

Solution 3

There is a fundamental problem here: Bitmap.FromFile holds a lock on the file until the Bitmap object has been disposed. This means the file is in use when you try to write it, and GDI throws an exception.
The easiest way round this is to copy the bitmap into a second Image object, and dispose the original before you try to overwrite the file.

C#

Bitmap varBmp = (Bitmap)Bitmap.FromFile(@"E:\a.jpg");
Bitmap newBitmap = new Bitmap(varBmp);
varBmp.Dispose();
varBmp = null;
//do something
newBitmap.Save(@"E:\a.jpg");

Posted 13-Nov-11 23:41pm

OriginalGriff

Comments

BillWoodruff 15-Nov-11 8:32am

+5 My guess is there's no way to handle this via a 'Using statement: what do you think ?

thanhtt90 15-Sep-13 11:51am

Grea..........t Thanks very muuuuch

OriginalGriff 15-Nov-11 8:39am

Unfortunately not - the documentation is quite clear that the source file remains locked until the actual Bitmap object is Disposed (http://msdn.microsoft.com/en-us/library/stf701f5.aspx) so the only time you can write to it, is after you had thrown away what you wanted to write...:laugh:

mevahid 22-May-13 5:24am

Greaaaaaaaaaaaaaaaaaaa8.. Thanksssssss

Nirav Prabtani 12-Jul-14 5:36am

My 5+ Thank you very much Griff, you have solved my problem.. :)