901010 - drawing a tiff file content by using Graphics.DrawImage function in C#

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hi in the following code:

C#

Image img = Image.FromFile(@"c:\tmp.tif");
g.DrawImage(img, 0, 0);

i get the following exception:

An unhandled exception of type 'System.Runtime.InteropServices.ExternalException' occurred in System.Drawing.dll

Additional information: A generic error occurred in GDI+.
in FromFile function.

what's the problem and what can i do to resolve it?
thx

Posted 30-Dec-11 21:47pm

ilostmyid2

Updated 30-Dec-11 23:24pm

Mehdi Gholam

v2

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Amir Mahfoozi 31-Dec-11 4:27am

Try other tiff files to ensure that the problem is not the file structure.

Amir Mahfoozi 31-Dec-11 5:59am

[moved from answers to comments]
ilostmyid2 :
thank u 4 ur answers.
no, it's not in use by another process. it seems that GDI+ doesn't support the format. when i give it another file path which is a path to a jpg file, it works well. when i give it path of a bmp file, it works weird. DrawImage draws a whole white surface, while DrawImageUnscaledAndClipped draws it properly! it seems that Image is still a newbie in decoding images.
maybe i've to install a GDI+ update. i'm using Windows Server 2003 as a client!
any idea?
thx

ilostmyid2 31-Dec-11 6:30am

the tiff file is not recognized by "Windows Picture and Fax Viewer", but it's opened and shown successfully by "Microsoft Office Document Imaging".

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OriginalGriff · Answer 1 · 2011-12-30T22:02:00

Solution 1

The code itself works fine for me, check your TIF file is not corrupt or in use by something else.
Try a different file, or location, in case it is a permissions issue.

Posted 30-Dec-11 22:02pm

OriginalGriff