public static int GetPixelsPerInch(MeasureDirection direction)
{
const int LOGPIXELSX = 88;
const int LOGPIXELSY = 90;
int ppi;
IntPtr dc = NativeMethods.GetDC(IntPtr.Zero);
if (direction == MeasureDirection.Horizontal)
{
ppi = NativeMethods.GetDeviceCaps(dc, LOGPIXELSX);
}
else
{
ppi = NativeMethods.GetDeviceCaps(dc, LOGPIXELSY);
}
NativeMethods.ReleaseDC(IntPtr.Zero, dc);
return ppi;
}
public static int GetPixelsPerInch(MeasureDirection direction)
{
const int LOGPIXELSX = 88;
const int LOGPIXELSY = 90;
int ppi;
IntPtr dc = NativeMethods.GetDC(IntPtr.Zero);
if (direction == MeasureDirection.Horizontal)
{
ppi = NativeMethods.GetDeviceCaps(dc, LOGPIXELSX);
}
else
{
ppi = NativeMethods.GetDeviceCaps(dc, LOGPIXELSY);
}
NativeMethods.ReleaseDC(IntPtr.Zero, dc);
return(ppi);
}
public static int ToPixels(int twips, MeasureDirection direction)
{
return (int)(((double)twips) * ((double)GetPixelsPerInch(direction)) / 1440.0);
}
public static int FromPixels(int pixels, MeasureDirection direction)
{
return (int)((((double)pixels) * 1440.0) / ((double)GetPixelsPerInch(direction)));
}
public static int FromPixels(int pixels, MeasureDirection direction)
{
return((int)((((double)pixels) * 1440.0) / ((double)GetPixelsPerInch(direction))));
}
public static int ToPixels(int twips, MeasureDirection direction)
{
return((int)(((double)twips) * ((double)GetPixelsPerInch(direction)) / 1440.0));
}
