L_AnnGetDpiX

#include "l_bitmap.h"

L_LTANN_APIL_INTL_AnnGetDpiX(hObject, pdDpiX)

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.

Parameters

HANNOBJECThObject

Handle to the annotation automation object.

L_DOUBLE*pdDpiX

地址的变量与坏蛋被更新rent DPI value.

Returns

Value Meaning
SUCCESS The function was successful.
< 1 An error occurred. Refer toReturn Codes.

Comments

The DPI properties apply only to the annotation automation object. Refer to伊斯兰教纪元tation Automation Object.

Before calling this function, you must declare a variable of data type L_DOUBLE. Then, pass the address of the variable in thepdDpiXparameter. This function will update the variable with the current DPI setting.

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 AnnGetDpiXExample(HANNOBJECT hAutoObject)/* Automation object */{L_INT nRet;L_DOUBLE DPIx, DPIy;/* Dots per inch, horizontal and vertical */L_TCHAR szMessage[80];/* Message buffer *//* Get the dots per inch */nRet = L_AnnGetDpiX(hAutoObject, &DPIx);if(nRet != SUCCESS)returnnRet;nRet = L_AnnGetDpiY(hAutoObject, &DPIy);if(nRet != SUCCESS)returnnRet;/* Display a message box with the result */wsprintf (szMessage, TEXT("%d horizontal, %d vertical"), (L_INT)DPIx, (L_INT)DPIy);MessageBox (NULL, szMessage, TEXT("Notice"), MB_OK);returnSUCCESS;}

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