#include "l_bitmap.h"
L_LTANN_API L_INT L_AnnGetSecondaryMetafile(hObject, phMetafile)
HANNOBJECT hObject; |
/* handle to the annotation object */ |
HMETAFILE *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.
Parameter |
Description |
hObject |
Handle to the annotation object. |
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:
Encryptor
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:
If this function is successful, the address pointed to by phMetafile will be updated with the metafile handle.
Use the L_AnnGetMetafile 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. |
Win32, x64.
See Also
Example
This example swaps the metafiles for the 'encrypt' and 'decrypt' state of an encryptor.
L_INT AnnGetSecondaryMetafileExample(HANNOBJECT hObject) { L_INT nRet; HMETAFILE hMetafile1=0; HMETAFILE hMetafile2=0; L_BOOL bEncryptorOriginal; ANNENCRYPTOPTIONS EncryptOptions; L_UINT uObjectType; nRet = L_AnnGetType(hObject, &uObjectType); if(nRet != SUCCESS) return nRet; if (uObjectType != ANNOBJECT_ENCRYPT) { MessageBox(NULL, TEXT("This object is not an encryptor."), TEXT("Error"), MB_OK); return 0; } nRet = L_AnnGetMetafile(hObject, &hMetafile1); if(nRet != SUCCESS) return nRet; nRet = L_AnnGetSecondaryMetafile(hObject, &hMetafile2); if(nRet != SUCCESS) return nRet; memset(&EncryptOptions, 0, sizeof(ANNENCRYPTOPTIONS)); EncryptOptions.uStructSize = sizeof(ANNENCRYPTOPTIONS); EncryptOptions.uFlags = ANNENCRYPT_ALL; nRet = L_AnnGetEncryptOptions(hObject, &EncryptOptions); if(nRet != SUCCESS) return nRet; bEncryptorOriginal = EncryptOptions.bEncryptor; // Set state to encryptor, and set encryptor metafile EncryptOptions.uFlags = ANNENCRYPT_TYPE; EncryptOptions.bEncryptor = TRUE; nRet = L_AnnSetEncryptOptions(hObject, &EncryptOptions, 0); if(nRet != SUCCESS) return nRet; nRet = L_AnnSetMetafile(hObject, hMetafile2, ANNMETAFILE_USER, 0); if(nRet != SUCCESS) return nRet; // Set state to decryptor, and set decryptor metafile EncryptOptions.bEncryptor = FALSE; nRet = L_AnnSetEncryptOptions(hObject, &EncryptOptions, 0); if(nRet != SUCCESS) return nRet; nRet = L_AnnSetMetafile(hObject, hMetafile1, ANNMETAFILE_USER, 0); if(nRet != SUCCESS) return nRet; // Set encryptor to oringal state EncryptOptions.bEncryptor = bEncryptorOriginal; nRet = L_AnnSetEncryptOptions(hObject, &EncryptOptions, 0); if(nRet != SUCCESS) return nRet; return SUCCESS; }