UltraLite User's Guide
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ULIsSynchronizeMessage function

Prototype 

ul_bool ULIsSynchronizeMessage( ul_u_long uMsg );

Description 

On Windows CE, this function checks a message to see if it is a synchronization message from the MobiLink provider for ActiveSync, so that code to handle such a message can be called.

This function should be included in the WindowProc function of your application.

Example 

The following code snippet illustrates how to use ULIsSynchronizeMessage to handle a synchronization message.

LRESULT CALLBACK WindowProc( HWND hwnd, 
         UINT uMsg, 
         WPARAM wParam, 
         LPARAM lParam )
{
  if( ULIsSynchronizeMessage( uMsg ) ) {
    // execute synchronization code
    if( wParam == 1 ) DestroyWindow( hWnd );
    return 0;
  }

  switch( uMsg ) {

  // code to handle other windows messages

  default:
    return DefWindowProc( hwnd, uMsg, wParam, lParam );
  }
  return 0;
}

See also 

Adding ActiveSync synchronization to your application