LAnnEncrypt::GetSecondaryMetafile

#include "ltwrappr.h"

virtual L_INT LAnnEncrypt::GetSecondaryMetafile(phMetafile)

HMETAFILE L_FAR * phMetafile;

/* pointer to a variable to be updated with the handle to a metafile */

Retrieves the metafile handle associated with an encryptor object when it is in the ‘decryptor’ state. This function is available in the Document/Medical Toolkits.

Parameter	Description
phMetafile	Pointer to a variable to be updated with the handle to a metafile.

Returns

SUCCESS	The function was successful.
< 1	An error occurred. Refer to Return Codes.

Comments

The encrypt object has two states:

$image\sqrblit.gif$ Encryptor

$image\sqrblit.gif$ Decryptor

Each state is displayed with its own metafile.

Use this function to retrieve the current metafile for an encrypt object in a ‘decryptor’ state. The default image is shown in the figure below:

$image\decryptresized20.gif$

If this function is successful, the address pointed to by phMetafile will be updated with the metafile handle.

Use the LAnnEncrypt::GetMetafile function to retrieve the current metafile for an encrypt object in an ‘encryptor’ state.

Required DLLs and Libraries

LTANN

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

See Also

Functions:	Class Members, LBitmap::Scramble, LAnnEncrypt::GetEncryptOptions, LAnnEncrypt::SetEncryptOptions, LAnnContainer::EncryptApply, LAnnEncrypt::GetSecondaryMetafile, LAnnStamp::GetSecondaryMetafile, LAnnPoint::GetPredefinedBitmap, LAnnPoint::SetPredefinedBitmap, LAnnPoint::GetPointOptions
Topics:	Annotation Functions: Object Properties
	Implementing Annotations
	Automated User Interface for Annotations
	Annotation Functions: Creating and Deleting Annotations
	Annotation Functions: Implementing Custom Annotations
	Using Annotation Bitmap Objects

Example

// This example swaps the metafiles for the 'encrypt' and 'decrypt' state of an encryptor
L_VOID SampleAnnGetSecondaryMetafile(LAnnEncrypt *pLEncrypt)
{
   HMETAFILE hMetafile1=0;
   HMETAFILE hMetafile2=0;
   L_BOOL bEncryptorOriginal;
   ANNENCRYPTOPTIONS EncryptOptions;

   L_UINT uObjectType;

   uObjectType = pLEncrypt->GetType();
   if (uObjectType != ANNOBJECT_ENCRYPT)
   {
      MessageBox(NULL, TEXT("This object is not an encryptor."), TEXT("Error"), MB_OK);
      return;
   }

   pLEncrypt->GetMetafile(&hMetafile1);
   pLEncrypt->GetSecondaryMetafile(&hMetafile2);

   memset(&EncryptOptions, 0, sizeof(ANNENCRYPTOPTIONS));
   EncryptOptions.uStructSize = sizeof(ANNENCRYPTOPTIONS);
   EncryptOptions.uFlags = ANNENCRYPT_ALL;
   pLEncrypt->GetEncryptOptions(&EncryptOptions);

   bEncryptorOriginal = EncryptOptions.bEncryptor;

   // Set state to encryptor, and set encryptor metafile
   EncryptOptions.uFlags = ANNENCRYPT_TYPE;
   EncryptOptions.bEncryptor = TRUE;
   pLEncrypt->SetEncryptOptions(&EncryptOptions, 0);
   pLEncrypt->SetMetafile(hMetafile2, ANNMETAFILE_USER, 0);

   // Set state to decryptor, and set decryptor metafile
   EncryptOptions.bEncryptor = FALSE;
   pLEncrypt->SetEncryptOptions(&EncryptOptions, 0);
   pLEncrypt->SetMetafile(hMetafile1, ANNMETAFILE_USER, 0);

   // Set encryptor to original state
   EncryptOptions.bEncryptor = bEncryptorOriginal;
   pLEncrypt->SetEncryptOptions(&EncryptOptions, 0);
}