References ▼
L_LVKRN_API L_INT L_VecSetLayer(pVector, pLayer, pLayerDesc)
Updates a vector layer with new information. This function is available in the LEADTOOLS Vector Imaging Pro Toolkit.
Pointer to the vector handle.
Pointer to a VECTORLAYER structure that references the vector layer to set.
Pointer to a VECTORLAYERDESC structure that contains the new layer information to set.
| Value | Meaning |
|---|---|
| SUCCESS | The function was successful. |
| < 1 | An error occurred. Refer to Return Codes. |
For more information on the layer information that can be set, refer to the VECTORLAYERDESC structure.
To get the layer information for a specific layer, use the L_VecGetLayer function.
Required DLLs and Libraries
This example will make the layer with the given name locked from changes.
L_LTVKRNTEX_API L_INT VecSetLayerExample(pVECTORHANDLE pVector,const L_TCHAR* pszName){VECTORLAYER Layer;VECTORLAYERDESC LayerDesc;L_INT nRet;/* find the layer with that name */nRet = L_VecGetLayerByName( pVector, pszName, &Layer );if( nRet != SUCCESS )return nRet; /* layer not found *//* get this layer for editing */nRet = L_VecGetLayer( pVector, &Layer, &LayerDesc );if(nRet != SUCCESS)return nRet;/* lock the layer */LayerDesc.bLocked = TRUE;/* set back and clean up */nRet = L_VecSetLayer( pVector, &Layer, &LayerDesc );if(nRet != SUCCESS)return nRet;nRet = L_VecFreeLayer( &LayerDesc );return nRet;}