DrawThemeParentBackgroundEx function uxtheme
Used by partially-transparent or alpha-blended child controls to draw the part of their parent in front of which they appear. Sends a WM_ERASEBKGND message followed by a WM_PRINTCLIENT.
HRESULT DrawThemeParentBackgroundEx(
HWND hwnd,
HDC hdc,
DWORD dwFlags,
const RECT *prc
);
Implementation
int DrawThemeParentBackgroundEx(
int hwnd, int hdc, int dwFlags, Pointer<RECT> prc) =>
_DrawThemeParentBackgroundEx(hwnd, hdc, dwFlags, prc);