ImageGear for C and C++ on Windows v19.1 - Updated
IG_TWAIN_cap_step_value_get
This function gets the step value of a capability from its container.
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AT_ERRCOUNT ACCUAPI IG_TWAIN_cap_step_value_get(
HTWAINCAP hTWAINCap,
LPVOID lpValue,
DWORD dwValueSize
);
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| Name | Type | Description |
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| hTWAINCap | HTWAINCAP | Handle to the capability container. References the container structure where detailed information about the capability is stored. |
| lpValue | LPVOID | Pointer to a memory buffer that receives the capability value. |
| dwValueSize | DWORD | The size of memory allocated for lpValue pointer. |
Returns the number of ImageGear errors that occurred during this function call. If there are no errors, the return value is IGE_SUCCESS.
This function does not process image pixels.
Applicable to TW_ON_RANGE container.