public stdole.IPictureDisp GetPreview2(string FileName, bool Deep = false)
{
// This method is only supported for in-process execution. We need this the execute in a multi-threaded environment.
// I tried starting a new instance of the SWDocMgr class for each thread, and
// that seemed to work once, then didn't work, no explanation.
// The error, when in a thread, is "Catastrophic Failure."
// Use GetPreview() instead
// get doc type
SwDmDocumentType swDocType = GetTypeFromString(FileName);
if (swDocType == SwDmDocumentType.swDmDocumentUnknown)
{
return(null);
}
// get the document
SwDMDocument19 swDoc;
SwDmDocumentOpenError nRetVal = 0;
swDoc = (SwDMDocument19)swDocMgr.GetDocument(FileName, swDocType, true, out nRetVal);
if (SwDmDocumentOpenError.swDmDocumentOpenErrorNone != nRetVal)
{
DialogResult dr = MessageBox.Show("Failed to open solidworks file: " + FileName,
"Loading SW File",
MessageBoxButtons.OK,
MessageBoxIcon.Exclamation,
MessageBoxDefaultButton.Button1);
return(null);
}
SwDmPreviewError ePrevError = SwDmPreviewError.swDmPreviewErrorNone;
stdole.IPictureDisp ipicPreview;
try
{
ipicPreview = swDoc.GetPreviewPNGBitmap(out ePrevError);
swDoc.CloseDoc();
return(ipicPreview);
}
catch
{
//DialogResult dr = MessageBox.Show("Failed to get solidworks preview image: " + FileName + ": " + ePrevError.ToString(),
// "Loading SW Preview",
// MessageBoxButtons.OK,
// MessageBoxIcon.Exclamation,
// MessageBoxDefaultButton.Button1);
swDoc.CloseDoc();
return(null);
}
}
public Bitmap GetPreview(string FileName, bool Deep = false)
{
// external references for assembly files (GetAllExternalReferences4)
// external references for part files (GetExternalFeatureReferences)
SwDMDocument11 swDoc = default(SwDMDocument11);
// get doc type
SwDmDocumentType swDocType = GetTypeFromString(FileName);
if (swDocType == SwDmDocumentType.swDmDocumentUnknown)
{
return(null);
}
// get the document
SwDmDocumentOpenError nRetVal = 0;
swDoc = (SwDMDocument11)swDocMgr.GetDocument(FileName, swDocType, true, out nRetVal);
if (SwDmDocumentOpenError.swDmDocumentOpenErrorNone != nRetVal)
{
DialogResult dr = MessageBox.Show("Failed to open solidworks file: " + FileName,
"Loading SW File",
MessageBoxButtons.OK,
MessageBoxIcon.Exclamation,
MessageBoxDefaultButton.Button1);
return(null);
}
SwDmPreviewError ePrevError = SwDmPreviewError.swDmPreviewErrorNone;
try
{
byte[] bPreview = swDoc.GetPreviewBitmapBytes(out ePrevError);
MemoryStream ms = new MemoryStream(bPreview);
Bitmap bmp = (Bitmap)Bitmap.FromStream(ms);
// crop and pad the image to 640x480
Bitmap bmp2 = resizeImage(bmp);
return(bmp2);
}
catch
{
//DialogResult dr = MessageBox.Show("Failed to get solidworks preview image: " + FileName + ": " + ePrevError.ToString(),
// "Loading SW Preview",
// MessageBoxButtons.OK,
// MessageBoxIcon.Exclamation,
// MessageBoxDefaultButton.Button1);
return(null);
}
}
