This function gets the value of a TWAIN control parameter.
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AT_ERRCOUNT ACCUAPI IG_TWAIN_ctrl_get(
AT_MODE nParamId,
LPVOID lpValue,
DWORD dwValueSize
);
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| Name | Type | Description |
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| nParamId | AT_MODE |
Control parameter Id. Can be one of the following values:
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| lpValue | LPVOID | Pointer to a memory buffer that receives the control parameter 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.