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VSTO 2005 Excel picturebox control question
Im using VSTO 2005 to add some code to an Excel worksheet that allows the
user to click a button and select an image file to display in a picturebox control. It seems successful, but when I save/close/reopen the worksheet, the image displays briefly, then goes blank. Also, after saving the file with an image it does increase the file size, so it appears that it is embedded in the file. Can someone explain to me why the image disappears and/or what I need to do to make the image persist??? Thanks. I added a picturebox control (pictureBox1) and a button (cmdInsertPicture) to a worksheet with the following code behind: private void cmdInsertPicture_Click(object sender, EventArgs e) { string strImgFileFormat = "Image Files (*.bmp; *.jpg)|*.bmp; *.jpg|Windows Bitmap (*.bmp)|*.bmp|JPEG File Interchange Format (*.jpg)|*.jpg|All files (*.*)|*.*"; this.openFileDialog1.Filter = strImgFileFormat; this.openFileDialog1.FileName = ""; this.openFileDialog1.InitialDirectory = Globals.ThisWorkbook.Path; this.openFileDialog1.ShowDialog(); try { this.pictureBox1.Locked = false; this.pictureBox1.SizeMode = PictureBoxSizeMode.Zoom; pictureBox1.Image = Image.FromFile(openFileDialog1.FileName); // this.pictureBox1.Load(openFileDialog1.FileName); //both methods work€¦ this.pictureBox1.Height = 275; this.pictureBox1.Width = 275; this.pictureBox1.Refresh(); } catch (Exception ex) { MessageBox.Show("An image must be selected"); } } Sorry if some of you notice this is a duplicate post, I had an MSDN managed newsgroups profile configuration problem which I believe I've resolved. Hopefully now I can get expert answers to my technical questions within two business days. :-) -- -Doug |
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