capDriverGetCaps macro (vfw.h)
The capDriverGetCaps macro returns the hardware capabilities of the capture driver currently connected to a capture window. You can use this macro or explicitly send the WM_CAP_DRIVER_GET_CAPS message.
Syntax
void capDriverGetCaps(
hwnd,
s,
wSize
);
Parameters
hwnd
Handle to a capture window.
s
Pointer to the CAPDRIVERCAPS structure to contain the hardware capabilities.
wSize
Size, in bytes, of the structure referenced by psCaps.
Return value
None
Remarks
The capabilities returned in CAPDRIVERCAPS are constant for a given capture driver. Applications need to retrieve this information once when the capture driver is first connected to a capture window.
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 |