#include <windows.h>
#include <tchar.h>

//
//	Copied from uxtheme.h
//  If you have this new header, then delete these and
//  #include <uxtheme.h> instead!
//
#define ETDT_DISABLE        0x00000001
#define ETDT_ENABLE         0x00000002
#define ETDT_USETABTEXTURE  0x00000004
#define ETDT_ENABLETAB      (ETDT_ENABLE  | ETDT_USETABTEXTURE)

// 
typedef HRESULT (WINAPI * ETDTProc) (HWND, DWORD);

//
//	Try to call EnableThemeDialogTexture, if uxtheme.dll is present
//
BOOL EnableDialogTheme(HWND hwnd)
{
	HMODULE hUXTheme;
	ETDTProc fnEnableThemeDialogTexture;

	hUXTheme = LoadLibrary(_T("uxtheme.dll"));

	if(hUXTheme)
	{
		fnEnableThemeDialogTexture = 
			(ETDTProc)GetProcAddress(hUXTheme, "EnableThemeDialogTexture");

		if(fnEnableThemeDialogTexture)
		{
			fnEnableThemeDialogTexture(hwnd, ETDT_ENABLETAB);
			
			FreeLibrary(hUXTheme);
			return TRUE;
		}
		else
		{
			// Failed to locate API!
			FreeLibrary(hUXTheme);
			return FALSE;
		}
	}
	else
	{
		// Not running under XP? Just fail gracefully
		return FALSE;
	}
}