How To Use

To plot an array during a debug session:

• Set your breakpoint at desired location
• Run your application and enter the breakpoint 
• Open a new ArrayPlotter window from Debug->Windows->ArrayPlotter. Multiple windows are supported
• Dock/move/resize the window to where you want it. Visual Studio will remember the location preferences like any other window
• In the Y: (Pointer Expression) box enter the array pointer:
  • For C++ this is simply the pointer variable name
  • For C# you will have to enter the address of the first element, ie &cSharpArray[0]
  • For C# IEnumerable types you must include .ToArray() in the pointer expression, ie &floatEnumerable.ToArray()[0]
  • For both you can perform pointer arithmetic, ie &cSharpArray[0]+20 means start at the 20^th element
  • ArrayPlotter will remember successfully plotted arrays and you can use the dropdown to select them from a history 
• In the Length Expression box enter the length of the array as either:
  • An Integer, ie 1024
  • An expression, ie arrayLength, DATA_LENGTH, or even dataStruct.NumSamples
  • For IEnumerable types you can include .Count() method, ie floatEnumberable.Count()
  • Also, numerical arithmetic can be performed, ie dataStruct.NumSamples/2 will plot half of the array
• From the Format drop down select the data type
• From the Structure drop down select the data type. The options are:
• Scalar - an array of standard numerical values
• Complex - which are defined to be pairs of the same data type laid out in memory as <real1,imag1,real2,imag2,real3,imag3,...>. In this case you can select if you want to plot the Real, Imaginary, Amplitude or Phase of each Complex pair
• Stride - For plotting a single channel of interleaved data, ie stereo audio. ArrayPlotter will plot data Stride samples apart starting at Offset
• Click Plot
• To specify an array containing the X-axis values, click Show X and repeat the above steps in the X: row.
• To zoom in on the chart press and hold left-mouse and select the desired zoom region and release. Double click to reset zoom. Alternatively the mousewheel can be used to zoom in/out on cursor location (Mousewheel VS2012+ only)
• Click and drag the middle mouse button to pan whilst zoomed
• If Auto Update is enabled, then any time debug mode is entered then the currently entered expression will be evaluated and re-plotted

To customise the plot colours:

• Select Tools->ArrayPlotter
• The Chart Background, Axis and Series colour can be set

Example C++ and C# solutions are available below: 

• C++
• C#