GetNumberOfPhysicalMonitorsFromHMONITOR function (physicalmonitorenumerationapi.h)
Retrieves the number of physical monitors associated with an HMONITOR monitor handle. Call this function before calling GetPhysicalMonitorsFromHMONITOR.
Syntax
_BOOL GetNumberOfPhysicalMonitorsFromHMONITOR(
[in] HMONITOR hMonitor,
[out] LPDWORD pdwNumberOfPhysicalMonitors
);
Parameters
[in] hMonitor
A monitor handle. Monitor handles are returned by several Multiple Display Monitor functions, including EnumDisplayMonitors and MonitorFromWindow, which are part of the graphics device interface (GDI).
[out] pdwNumberOfPhysicalMonitors
Receives the number of physical monitors associated with the monitor handle.
Return value
If the function succeeds, the return value is TRUE. If the function fails, the return value is FALSE. To get extended error information, call GetLastError.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows Vista [desktop apps only] |
| Minimum supported server | Windows Server 2008 [desktop apps only] |
| Target Platform | Windows |
| Header | physicalmonitorenumerationapi.h |
| Library | Dxva2.lib |
| DLL | Dxva2.dll |