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Monthly Archives: January 2011

The distance to initiate drag ‘n drop is controlled through this api..

Increasing their values helps to avoid accidental Copy of files into the same directory

#include <Windows.h>
#include <stdio.h>
int main()
{
  // DEFAULT VALUES ARE 4 and 4
  int cx,cy;
  cx = GetSystemMetrics( SM_CXDRAG ) ;
  cy = GetSystemMetrics( SM_CYDRAG ) ;
  
  printf( "cx=%d, cy=%d\n", cx, cy ) ;

  SystemParametersInfoA( SPI_SETDRAGHEIGHT, 90, 0, SPIF_SENDCHANGE | SPIF_UPDATEINIFILE ) ;
  SystemParametersInfoA( SPI_SETDRAGWIDTH, 90, 0, SPIF_SENDCHANGE | SPIF_UPDATEINIFILE ) ;


  cx = GetSystemMetrics( SM_CXDRAG ) ;
  cy = GetSystemMetrics( SM_CYDRAG ) ;
  
  printf( "cx=%d, cy=%d\n", cx, cy ) ;

 
}
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