ICGetStateSize macro (vfw.h)

Article
02/22/2024

The ICGetStateSize macro queries a video compression driver to determine the amount of memory required to retrieve the configuration information. You can use this macro or explicitly call the ICM_GETSTATE message.

Syntax

void ICGetStateSize(
   hic
);

Parameters

hic

Handle of the compressor.

Return value

None

Remarks

The structure used to represent configuration information is driver specific and is defined by the driver.

Use ICGetStateSize before calling the ICGetState macro to determine the size of buffer to allocate for the call.

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