Rigol DG4000 Series - Page 616

Note: at present, VISA library has been added.
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4. Add the Text, Edit and Button controls as shown in the figure below.
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5. Add the control variables.
Open the Member Variables tab in View→ClassWizard and add the following
three variables: Instrument address: CString m_strInstrAddr
Command: CString m_strCommand
Return Value: CString m_strResult
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6. Encapsulate the read and write operations of VISA.
1) Encapsulate the write operation of VISA for easier operation.
bool CDemoForDGDlg::InstrWrite(CString strAddr, CString strContent) //Write
//operation
{
ViSession defaultRM,instr;
ViStatus status;
ViUInt32 retCount;
char * SendBuf = NULL;