ImageGear for C and C++ on Windows v20.0 - Updated
IG_TWAIN_cap_value_get
API Reference Guide > TWAIN Component API Reference > TWAIN Component Functions Reference > Capability Functions > IG_TWAIN_cap_value_get

This function gets the value of a capability from its container.

Declaration:

 
Copy Code
AT_ERRCOUNT ACCUAPI IG_TWAIN_cap_value_get(
        HTWAINCAP hTWAINCap,
        LPVOID lpValue,
        DWORD dwValueSize
);

Arguments:

Name Type Description
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.

Return Value:

Returns the number of ImageGear errors that occurred during this function call. If there are no errors, the return value is IGE_SUCCESS.

Supported Raster Image Formats:

This function does not process image pixels.

Remarks:

Applicable to TW_ON_ONEVALUE container.

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