LINEDDAPROC callback function (wingdi.h)

The LineDDAProc function is an application-defined callback function used with the LineDDA function. It is used to process coordinates. The LINEDDAPROC type defines a pointer to this callback function. LineDDAProc is a placeholder for the application-defined function name.

Syntax

LINEDDAPROC Lineddaproc;

void Lineddaproc(
  int unnamedParam1,
  int unnamedParam2,
  LPARAM unnamedParam3
)
{...}

Parameters

unnamedParam1

unnamedParam2

unnamedParam3

Return value

None

Remarks

An application registers a LineDDAProc function by passing its address to the LineDDA function.

Requirements

   
Minimum supported client Windows 2000 Professional [desktop apps only]
Minimum supported server Windows 2000 Server [desktop apps only]
Target Platform Windows
Header wingdi.h (include Windows.h)

See also

Line and Curve Functions

LineDDA

Lines and Curves Overview