Passing an Array of Values to the Visual C++ MSChart OCX

Step 1 : Creating the Project

Start Visual C++ en create a simple dialog based application labelled "Graph"

Step 2 : Add the MSChart OCX to Your Project

Select "project menu" option and select "Components and contols" and then choose the MSChart component en click "add"

Step 3 : Add the MSChart OCX to Your Dialog

Select resources view tab en open the main dialog (Its a simple dialog based application). Drop the ocx on your dialog.

Now, label your Chart "IDC_MSCAHRT1"

Now, choose menu option "Classwizard" to create a member variable of your chart labelled "m_Chart"

Step 4: Add the Code

Now add a bouton labeled "Go" to your dialog. Double click it to edit the code and add the following code in the On_Go function:
COleSafeArray saRet;

DWORD numElements[] = {10, 10}; // 10x10

// Create the safe-array...

saRet.Create(VT_R8, 2, numElements);

// Initialize it with values...

long index[2];

for(index[0]=0; index[0]<10; index[0]++) {
 for(index[1]=0; index[1]<10; index[1]++) {
  double val = index[0] + index[1]*10;
  saRet.PutElement(index, &val);
 }
}

// Return the safe-array encapsulated in a VARIANT...

m_Chart.SetChartData(saRet.Detach());

m_Chart.Refresh;          

Step 5: Building and Running the Application

Build and execute your app, then click the "Go" button. Here is the result:



Comments

  • hEcDd MkE WhNH

    Posted by tTHLLJhPuv on 11/16/2012 09:03pm

    soma drug soma drug high - carisoprodol dosage 700

    Reply
  • Wnhhr SJf cgcq

    Posted by ffpSGXaTPG on 11/15/2012 05:10pm

    carisoprodol 350 mg buy soma online fedex - carisoprodol pills

    Reply
  • MzGFR rjW cest

    Posted by gzSeOPyjzh on 11/14/2012 12:40am

    carisoprodol 350 mg buy soma cube uk - where to buy somatropin in canada

    Reply
Leave a Comment
  • Your email address will not be published. All fields are required.

Top White Papers and Webcasts

  • Live Event Date: May 6, 2014 @ 1:00 p.m. ET / 10:00 a.m. PT While you likely have very good reasons for remaining on WinXP after end of support -- an estimated 20-30% of worldwide devices still are -- the bottom line is your security risk is now significant. In the absence of security patches, attackers will certainly turn their attention to this new opportunity. Join Lumension Vice President Paul Zimski in this one-hour webcast to discuss risk and, more importantly, 5 pragmatic risk mitigation techniques …

  • The rapid evolution of enterprise storage technologies, combined with external forces, like the explosion of big data, can cause Linux® and server administrators to play catch-up when it comes to storage. Running a bunch of monolithic storage devices and proprietary, disconnected technologies forces administrators to spend valuable time creating and managing complex solutions. To reduce complexity and enable rapid deployment of new technologies and applications, server administrators need a single open …

Most Popular Programming Stories

More for Developers

Latest Developer Headlines

RSS Feeds