TDMS_GetInMemoryFileSize
- Updated2023-02-21
- 1 minute(s) read
TDMS_GetInMemoryFileSize
int TDMS_GetInMemoryFileSize (TDMSFileHandle file, unsigned __int64 *fileSizeInBytes);
Purpose
Gets the size, in bytes, of the in-memory .tdms file. Call this function to determine how many bytes you have to read.
Call TDMS_ReadInMemoryFileBytes to read bytes from an in memory tdms file.
Parameters
| Input | ||
| Name | Type | Description |
| file | TDMSFileHandle | The file handle. You obtain this handle from the TDMS_CreateInMemoryFile, TDMS_OpenInMemoryFileFromData, or TDMS_OpenInMemoryFileFromDisk function. |
| Output | ||
| Name | Type | Description |
| fileSizeInBytes | unsigned __int64 | The in-memory file size in bytes. |
Return Value
| Name | Type | Description |
| status | int | Return value indicating whether the function was successful. Unless otherwise stated, zero represents successful execution and a negative number represents the error code. Error codes are defined in cvi\include\cvitdms.h. |
Additional Information
Library: TDM Streaming Library
Include file: cvitdms.h
LabWindows/CVI compatibility: LabWindows/CVI 2019 and later
© 2016 National Instruments. All rights reserved.
Example
Refer to TDM Streaming\Advanced Read and Write\TDMS In Memory Write and Read\TDMS In Memory Write and Read.cws for an example of using the TDMS_GetInMemoryFileSize function.