Add HDC & hInstance to windows SysWMinfo struct
SDL
includes HWND, HDC, and HINSTANCE in the windows-related SysWMinfo
structure.  These are useful values if you have occasion to open up the
guts and do something inadvisable & it would be nice if htey were
available
@@ -70,6 +70,8 @@ type SysWMInfo struct {
// WindowsInfo contains Microsoft Windows window information.
type WindowsInfo struct {
Window unsafe.Pointer // the window handle
+ DeviceContext unsafe.Pointer // the device context handle
+ Instance unsafe.Pointer // the instance handle
}
// X11Info contains X Window System window information.
