How to get image name from subject line using outlook = microsoft.office.interop.outlook with multi textbox

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I want to save the image name from textboxes using microsoft.office.interop.outlook. I can save the textboxes to the subject line but I need the same name as the image. First it is a .png then converts to a .pdf. Any tips appreciated.
I get error if I remove $ then the name is "

{txt_CHKR.Text} {txt_PN.Text} {label67.Text}.png

"

System.Runtime.InteropServices.ExternalException: 'A generic error occurred in GDI+.'

Some code I am using.

C#

 private void Convert()
        {
            try
            {
                string filename = Environment.GetFolderPath(
                System.Environment.SpecialFolder.DesktopDirectory) + $"{txt_CHKR.Text} {txt_PN.Text} {label67.Text}.png";
                string destinaton = Environment.GetFolderPath(
                System.Environment.SpecialFolder.DesktopDirectory) + $"{txt_CHKR.Text} {txt_PN.Text} {label67.Text}.pdf";
                
                PdfDocument doc = new PdfDocument();
                doc.Pages.Add(new PdfPage() { Size = PdfSharp.PageSize.Letter, Orientation = PdfSharp.PageOrientation.Landscape });
                XGraphics xgr = XGraphics.FromPdfPage(doc.Pages[0]);
                XImage img = XImage.FromFile(filename);

                xgr.DrawImage(img, 0, 0);
                doc.Save(destinaton);
                doc.Close();
                success = true;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void btn_Analyst_Click(object sender, EventArgs e)
        {
            #region Save Image

            string MyDesktopPath = Environment.GetFolderPath(
            System.Environment.SpecialFolder.DesktopDirectory) + "\\";
                  

            using (Bitmap bmpScreenshot = new Bitmap(Bounds.Width, Bounds.Height, PixelFormat.Format32bppArgb))
            {
                bmpScreenshot.SetResolution(128f, 128f);
                Rectangle rect = new Rectangle(0, 0, this.Bounds.Width, this.Bounds.Height);
                this.DrawToBitmap(bmpScreenshot, rect);

                // Build the filename
                string myFilepath = Path.Combine(MyDesktopPath, $"{txt_CHKR.Text} {txt_PN.Text} {label67.Text}.png");
                if (myFilepath == "")
                {
                    Console.WriteLine("Form image save FAILED!");
                    return;
                }
                bmpScreenshot.Save(myFilepath, ImageFormat.Png);
                Console.WriteLine("Form image saved: {0}", myFilepath);
            }

            Convert();
            #endregion
/////////MAIL CODE

<pre> Microsoft.Office.Interop.Outlook.Application outlookApp = new Microsoft.Office.Interop.Outlook.Application();
            Microsoft.Office.Interop.Outlook.MailItem mailItem = outlookApp.CreateItem(Microsoft.Office.Interop.Outlook.OlItemType.olMailItem);
            
            mailItem.Subject = $"{txt_CHKR.Text} {txt_PN.Text} {label67.Text}";  // Add Part Number to Subject line THIS IS WORKING
            mailItem.To = "EmailHere.com";                      

            string imageSrc = Environment.GetFolderPath(
                System.Environment.SpecialFolder.DesktopDirectory) + $"{txt_CHKR.Text} {txt_PN.Text} {label67.Text}.png"; // Change path as needed


            var attachments = mailItem.Attachments;
            var attachment = attachments.Add(imageSrc);
            attachment.PropertyAccessor.SetProperty("http://schemas.microsoft.com/mapi/proptag/0x370E001F", "image/jpg");
            attachment.PropertyAccessor.SetProperty("http://schemas.microsoft.com/mapi/proptag/0x3712001F", "myident"); // Image identifier found in the HTML code right after cid. Can be anything.
            mailItem.PropertyAccessor.SetProperty("http://schemas.microsoft.com/mapi/id/{00062008-0000-0000-C000-000000000046}/8514000B", true);

            // Set body format to HTML

            mailItem.BodyFormat = Microsoft.Office.Interop.Outlook.OlBodyFormat.olFormatHTML;
            string msgHTMLBody = "<html><head></head><body>Hello Analyst,<br><br>This is a working example of embedding an image :<br><br><img align=\"baseline\" border=\"1\" hspace=\"0\" src=\"cid:myident\" width=\"\" 600=\"\" hold=\" /> \"></img><br><br>Regards,<br>My Name</body></html>";
            mailItem.HTMLBody = msgHTMLBody;

            mailItem.Attachments.Add((object)Environment.GetFolderPath(
                System.Environment.SpecialFolder.DesktopDirectory) + $"{txt_CHKR.Text} {txt_PN.Text} {label67.Text}.pdf", // Attachment in Mail
            Microsoft.Office.Interop.Outlook.OlAttachmentType.olEmbeddeditem, 1, (object)$"{txt_CHKR.Text} {txt_PN.Text} {label67.Text}.pdf");

            mailItem.Send();

What I have tried:

The above code that works with the Subject line

Posted 7-Jun-21 13:29pm

Member 12349103

Updated 7-Jun-21 21:59pm

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Comments

[no name] 7-Jun-21 22:42pm

Display the filename; then consider using Path.Combine().

1 solution

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Richard Deeming · Accepted Answer · 2021-06-07T21:59:00

Solution 1

Quote:
I get error if I remove $ then the name is "{txt_CHKR.Text} {txt_PN.Text} {label67.Text}.png"

That's to be expected. With the $ prefix, you have an interpolated string; anything enclosed in {...} braces will be treated as code, and inserted into the final string. Without that prefix, it's just a normal string; what you type is (almost) exactly what you get.

$ - string interpolation - C# reference | Microsoft Docs[^]

The "generic error in GDI+" error could mean anything. Since you've removed the interpolated string prefix, it probably means that the file doesn't exist.

You haven't told us what error you're getting with the $ prefix. If it's telling you that $ is not valid, then you're using an old version of Visual Studio, and you'll need to use string.Format instead:

C#

... + string.Format("{0} {1} {2}.png", txt_CHKR.Text, txt_PN.Text, label67.Text)

String.Format Method (System) | Microsoft Docs[^]

If you're getting a different error, then you need to tell us what the error is.

Posted 7-Jun-21 21:59pm

Richard Deeming

Comments

Member 12349103 8-Jun-21 6:52am

Richard
I am getting that error when trying to create the file this is the code.
error on this line.
bmpScreenshot.Save(myFilepath, ImageFormat.Png);

Thank you

#region Save Image

            string MyDesktopPath = Environment.GetFolderPath(
            System.Environment.SpecialFolder.DesktopDirectory) + "\\";

           // this.Size = new Size((int)(8.5 * 96f), (int)(11 * 96f));

            using (Bitmap bmpScreenshot = new Bitmap(Bounds.Width, Bounds.Height, PixelFormat.Format32bppArgb))
            {
                bmpScreenshot.SetResolution(128f, 128f);
                Rectangle rect = new Rectangle(0, 0, this.Bounds.Width, this.Bounds.Height);
                this.DrawToBitmap(bmpScreenshot, rect);

                // Build the filename
                string myFilepath = Path.Combine(MyDesktopPath, string.Format("{0} {1} {2}.png", txt_CHKR.Text, txt_PN.Text, label67.Text));
                if (myFilepath == "")
                {
                    Console.WriteLine("Form image save FAILED!");
                    return;
                }
                bmpScreenshot.Save(myFilepath, ImageFormat.Png);
                Console.WriteLine("Form image saved: {0}", myFilepath);
            }

            Convert();
            #endregion

Richard Deeming 8-Jun-21 7:00am

Well, as I said, "a generic error occurred in GDI+" is a generic error which gets thrown for a wide range of problems. It could be an invalid character in the file name; it could be that you're trying to overwrite an existing file which is locked; it could be a problem with the image itself.

It's a pain to diagnose, but it's not something we can debug for you.

Member 12349103 8-Jun-21 9:30am

Richard
your String.Format code above works great I will mark as solved.
My generic error was due to a date format in the string 6/8/2021.
I got to work on that.
Thanks for the tip