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.
#include "ltwrappr.h"
virtual L_DOUBLE LAnnAutomation::GetDpiX()
The current DPI value.
Win32, x64.
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;
}
Help Collections
Raster .NET | C API | C++ Class Library | HTML5 JavaScript
Document .NET | C API | C++ Class Library | HTML5 JavaScript
Medical .NET | C API | C++ Class Library | HTML5 JavaScript
Medical Web Viewer .NET
Multimedia
Direct Show .NET | C API | Filters
Media Foundation .NET | C API | Transforms
Supported Platforms
.NET, Java, Android, and iOS/macOS Assemblies
Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document