imgSessionGetBufferSize
- Updated2023-02-21
- 1 minute(s) read
Usage
rval imgSessionGetBufferSize(SESSION_ID sid, uInt32* sizeNeeded);
Purpose
Gets the size, in bytes, of an image.
Parameters
| Name | Type | Direction |
| sid | SESSION_ID | input |
| sizeNeeded | uInt32* | output |
| rval | Int32 | output |
Parameter Discussion
sid: valid SESSION_ID.
sizeNeeded: size, in bytes, of an image.
Return Value
This function returns 0 on success. On failure, this function returns an error code. For information about the error code, call imgShowError.
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Note If you change the ROI after calling this function, the return value is no longer accurate. |