VIRTUAL GRID DATABASE FUNCTIONS

[AUGE_OHR]

hi,

in c:\hmg.3.4.4\SOURCE\h_grid.prg i found

VIRTUAL GRID DATABASE FUNCTIONS

it have a lot of DB* "Navigation" Code so that might be the Secret of GRID to handle DBF

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Function GridRecCount( index )
Function GetGridFieldName ( index , nField )
Function IsDataGridMemo ( index , nField )
Function IsDataGridDeleted ( index , nRecno )
function SetDataGridRecNo ( index , nRecNo  )
function GetDataGridRecno( index )
Function DataGridDelete ( index )
Function DataGridRecall ( index )
Function IsDataGridFiltered ( index )
Function SaveDataGridField ( index , Value )
Function DataGridAppend( index )
Function DataGridSave(index)
Function IsBufferedRecordMarkedForDeletion( index , nPhysicalRow )
Function DataGridRefresh( index , lPreserveSelection )
Function DataGridClearBuffer(index)
Procedure GetDataGridCellData ( index , lTrueData )
Function GetFiledData ( index, nField )   // ADD May 2016
Function GridSetPhysicalRecord( index, nLogicalRecno )   // ADD May 2016

some of them are found in
c:\hmg.3.4.4\SOURCE\h_controlmisc.prg

other in c:\hmg.3.4.4\SOURCE\h_windows.prg like

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DataGridDelete(i)
DataGridAppend()
DataGridReCall(i)
DataGridSave(i)
DataGridClearBuffer(i)

which seems to work with Hotkey ALT + Key

but as i don't found anything in Manuel or Sample i don't know how to enable "VIRTUAL GRID DATABASE FUNCTIONS" for GRID

can someone enlighten me