DrawThemeBackground function uxtheme
Draws the border and fill defined by the visual style for the specified control part.
HRESULT DrawThemeBackground(
HTHEME hTheme,
HDC hdc,
int iPartId,
int iStateId,
LPCRECT pRect,
LPCRECT pClipRect
);
Implementation
int DrawThemeBackground(int hTheme, int hdc, int iPartId, int iStateId,
Pointer<RECT> pRect, Pointer<RECT> pClipRect) =>
_DrawThemeBackground(hTheme, hdc, iPartId, iStateId, pRect, pClipRect);