MCIWndStep macro (vfw.h)

The MCIWndStep macro moves the current position in the content forward or backward by a specified increment. You can use this macro or explicitly send the MCI_STEP command.

Syntax

LONG MCIWndStep(
     hwnd,
     n
);

Parameters

hwnd

Handle of the MCIWnd window.

n

Step value. Negative values step the device through the content in reverse. The units for the step value depend on the current time format.

Return value

Type: LONG

Returns zero if successful or an error otherwise.

Requirements

Requirement	Value
Minimum supported client	Windows 2000 Professional [desktop apps only]
Minimum supported server	Windows 2000 Server [desktop apps only]
Target Platform	Windows
Header	vfw.h