References ▼
#include "ltwrappr.h"
virtual L_INT LTwain::GetCapability (pCapability, uFlags)
pTW_CAPABILITY pCapability; |
pointer to a structure |
L_UINT uFlags; |
optional flags |
Gets the specified capability value(s).
| Parameter | Description | |
| pCapability | 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. | |
| uFlags | 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. | |
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
Required DLLs and Libraries
LTTWN For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
Function: |
LTwain::SetProperties, LTwain::GetProperties, LTwain::SetCapability, LTwain::InitSession, LTwain::EndSession. |
Topics: |
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// 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;}