Gdiplus::Image:FromFile holds the file

[ajaywinds]

I use GDI+ for displaying an image file.

1. Getting m_pImg = Gdiplus::Image::FromFile( m_fileName ); on browse button click
2. And drawing the image in OnDraw()
m_pGr->DrawImage( m_pImg, destX, destY, destWidth, destHeight);
( where m_pGr is Gdiplus :: Graphics )

When I checked I found that after calling FromFile the file is not release by the application untill I close the application.

So that when I tried CFile::Open( ) for the file, GetLasterror returned 32(The process cannot access the file because it is being used by another process. )

Could you please help me hoe can I get rid of this situation.
Is FromFile really holds the file? If so please suggest a good way to display the image.

[Chirieac]

Delete the image before CFile::Open( ): delete m_pImg

[ajaywinds]

I tried the CFile::Open( ) from different application and the error occurs.
And if I delete the m_pImg object then InDraw will fail.

[Chirieac]

You draw the image in one application and call the CFile::Open() in a another?

[Chirieac]

Create image from file, make a copy of that image and delete the first image. You pass the cloned image to the OnDraw function.

// temporary image
Image *imgTemp = Gdiplus::Image::FromFile( m_fileName );

// the image you pass to OnDraw
Image img(imgTemp->GetWidth(), imgTemp->GetHeight());

// copy the image
Graphics g(&img);
g.DrawImage(imgTemp, 0, 0);

delete imgTemp ;

// Now you are safe to call CFile::Open()