LAnnAutomation::GetDpiX

Summary

Gets the current horizontal DPI (dots per inch) value that is used to translate user input, such as font size, that is expressed in physical measurements.

Syntax

#include "ltwrappr.h"

virtual L_DOUBLE LAnnAutomation::GetDpiX()

Returns

The current DPI value.

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Functions

Topics

Example

This function gets the current dots per inch of the automation
object

L_INT LAnnAutomation_GetDpiXExample(LAnnAutomation  * pAnnAutomation, HWND hWnd) 
{ 
 
   L_DOUBLE DPIx, DPIy; /* Dots per inch, horizontal and vertical */ 
 
   L_TCHAR szMessage[80]; /* Message buffer */ 
 
   /* Get the dots per inch */ 
 
   DPIx = pAnnAutomation->GetDpiX(); 
 
   DPIy = pAnnAutomation->GetDpiY(); 
 
   /* Display a message box with the result */ 
 
   wsprintf (szMessage, TEXT("%d horizontal, %d vertical"), (int)DPIx, (int)DPIy); 
 
   MessageBox (hWnd, szMessage, TEXT("Notice"), MB_OK); 
 
   return SUCCESS; 
} 

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