public SIZE?GetThemePartSize(int partId, int stateId, ThemeSize themeSize)
{
HResult hr = UxThemeExNativeMethods.UxGetThemePartSize(
themeFile, theme, IntPtr.Zero, partId, stateId, null, themeSize, out SIZE value);
return(Found(hr) ? value : (SIZE?)null);
}
public static extern int GetThemePartSize(SafeThemeHandle hTheme, SafeDCHandle hdc, int part, int state, PRECT pRect, ThemeSize eSize, out Size size);
public static extern SIZE GetThemePartSize(
SafeThemeHandle hTheme, HandleRef hdc, int iPartId, int iStateId, CRECT prc, ThemeSize eSize);
public static extern HResult GetThemePartSize(
SafeThemeHandle hTheme, IntPtr hdc, int iPartId, int iStateId, CRECT prc, ThemeSize eSize, out SIZE psz);
public static extern int GetThemePartSize(HandleRef hTheme, HandleRef hdc, int iPartId, int iStateId, [In] CRECT prc, ThemeSize eSize, [Out] SIZE psz);
public Size?GetPartSize(IDeviceContext graphics, int partId, int stateId, Rectangle?destRect, ThemeSize themeSize)
{
using (var hdc = new Gdi32.SafeDCHandle(graphics))
{
Size sz;
if (0 != GetThemePartSize(hTheme, hdc, partId, stateId, destRect, themeSize, out sz))
{
return(null);
}
return(sz);
}
}