References ▼
#include "ltwrappr.h"
virtual L_INT LTwain::GetCapability (pCapability, uFlags)
Gets the specified capability value(s).
Pointer to a TW_CAPABILITY structure that references the required capability. This structure must be allocated and it will be filled with data corresponding to the required capability to get.
Flags that indicate the capability values to get. Possible values are:
| Value | Meaning |
|---|---|
| LTWAIN_CAPABILITY_GETCURRENT | [3] Get the current value. |
| LTWAIN_CAPABILITY_GETDEFAULT | [4] Get the default value. |
| LTWAIN_CAPABILITY_GETVALUES | [5] Get all available values. |
| Value | Meaning |
|---|---|
| SUCCESS | The function was successful. |
| < 1 | An error occurred. Refer to Return Codes. |
Required DLLs and Libraries
// initialize session and call this functionL_INT LTwain__GetCapabilityExample(CMyTwain *MyClass){L_INT nRet;TW_CAPABILITY twCap;// Fill the TW_CAPABILITY structure with valuestwCap.Cap = ICAP_XFERMECH;twCap.ConType = TWON_DONTCARE16;nRet = MyClass->GetCapability(&twCap, LTWAIN_CAPABILITY_GETCURRENT);if (nRet != SUCCESS){MessageBox (NULL, TEXT("Failed to get capability"), TEXT("ERROR"), MB_OK);return nRet;}nRet = MyClass->FreeContainer(&twCap);if(nRet != SUCCESS)return nRet;return SUCCESS;}