ITcVnData
Interface for accessing data.
Methods
Name |
Origin |
Description |
---|---|---|
ITcUnknown |
Increments the reference counter. | |
ITcUnknown |
Get a reference to an implemented interface. | |
ITcUnknown |
Decrements the reference counter. | |
ITcVnData |
Check if the data are a copy (returns S_OK for copies and S_FALSE otherwise). | |
ITcVnData |
Check if the data belongs to an image (returns S_OK for images and S_FALSE otherwise). | |
ITcVnData |
Gets the size of the data. | |
ITcVnData |
Check if the data pointer is different from 0 (returns S_OK for non-zero data pointers and S_FALSE otherwise). | |
ITcVnData |
Gets the data pointer (the obtained data pointer must be released by calling ReleaseDataPointer). | |
ITcVnData |
Release the data pointer. |