CmEmbedded_4c_transp CmGetBoxContents2

Description

This function returns the entries of a CmContainer.

  • C, C++

Syntax

int CMAPIENTRY CmGetBoxContents2(HCMSysEntry hcmse, CMULONG flCtrl, CMULONG ulFirmCode, CMBOXINFO *pcmBoxInfo, CMBOXENTRY2 *pcmBoxEntry, CMUINT cbBoxEntry)

Parameter

hcmse contains a handle opened by CmAccess2 (can be Box Access, Entry Access or Subsystem Access).

flCtrl contains one of the following commands:

nav_open CM_GBC_FI: All entries returned must match the Firm Item provided in ulFirmCode.

nav_open CM_GBC_BOX: All entries returned must match the CmContainer properties provided in pcmBoxInfo.

nav_open CM_GBC_ALLENTRIES: All entries of all connected CmContainers available at hcmse will be returned.

The above flags can be or'ed with

nav_open CM_GBC_USELOCALTIME: Returns the time values using the local time zone instead of UTC.

The flags CM_GBC_FI and CM_GBC_BOX can be combined. If the value of ulFirmCode or pcmBoxInfo is not relevant for the desired flag operation, the value is ignored.

ulFirmCode contains the Firm Code of the Firm Item the returned entries should have (used with CM_GBC_FI flag).

pcmBoxInfo contains the CmContainer information of the CmContainer the entries should be returned from (used with CM_GBC_BOX flag).

pcmBoxEntry contains an array of hmtoggle_plus1 CMBOXENTRY2 structure.

cbBoxEntry contains the number of CMBOXENTRY2 elements stored in pcmBoxEntry.  

Return

The number of found entries is returned. If the number is larger than cbBoxEntry, the array in pcmBoxEntry is too small. In this case only cbBoxEntry entries are stored in pcmBoxEntry. To get the rest call the function with the correct array length again. If the array is to small the error code CMERROR_BUFFER_OVERFLOW is set. If 0 is returned, then no entry was found and depending on flCtrl error code CMERROR_ENTRY_NOT_FOUND or CMERROR_BOX_NOT_FOUND is set.

Notes

CmGetBoxContents2() is supported since CodeMeter Version 4.30.