Anteckning
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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
BOOL 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
Type: BOOL
Returns TRUE if successful or FALSE if the capture window is not connected to a capture driver.
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 |