Function BottomWndProc

nsisplugin/DialogInit.c:230–255

}

static LRESULT CALLBACK BottomWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
	switch (uMsg) {
	case WM_PAINT: {
		// Draw command area background (grey with divider line)
		if (g_theme < ThemeBasic || !g_aeroTheme || !$DrawThemeBackground) {
			break;
		}

		PAINTSTRUCT ps = {0};
		HDC hdc = BeginPaint(hwnd, &ps);

		RECT rect = {0};
		GetClientRect(hwnd, &rect);
		$DrawThemeBackground(g_aeroTheme, hdc, AW_COMMANDAREA, 0, &rect, NULL);

		EndPaint(hwnd, &ps);
		return 0;
	}
	}

	if (!g_bottomOrigWndProc) {
		return 0;
	}

	return CallWindowProc(g_bottomOrigWndProc, hwnd, uMsg, wParam, lParam);
}

static LRESULT CALLBACK MainWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
	if (g_theme >= ThemeAeroLight && $DwmDefWindowProc) {