WindowFromDC function (winuser.h)
The WindowFromDC function returns a handle to the window associated with the specified display device context (DC). Output functions that use the specified device context draw into this window.
Syntax
HWND WindowFromDC(
[in] HDC hDC
);
Parameters
[in] hDC
Handle to the device context from which a handle to the associated window is to be retrieved.
Return value
The return value is a handle to the window associated with the specified DC. If no window is associated with the specified DC, the return value is NULL.
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 | winuser.h (include Windows.h) |
| Library | User32.lib |
| DLL | User32.dll |
| API set | ext-ms-win-ntuser-draw-l1-1-1 (introduced in Windows 8.1) |