ImageGear for C and C++ on Windows v19.7 - Updated
IG_ARTX_line_starthead_get
API Reference Guide > ArtX Component API Reference > ArtX Component Objects Reference > HIG_ARTX_LINE > IG_ARTX_line_starthead_get

This function queries the start head of the annotation.

Declaration:

 
Copy Code 
AT_ERRCOUNT IG_ARTX_line_starthead_get(
        HIG_ARTX_LINE hMark,
        LPAT_ARTX_ARROW_HEAD lpHead
        LPAT_UINT pnDataSize
);

Arguments:

Name Type Description
hMark HIG_ARTX_LINE Annotation handle.
lpHead LPAT_ARTX_ARROW_HEAD Pointer to storage for function result.
pnDataSize LPAT_UINT Pointer to the variable that on input contains size of buffer specified by lpHead parameter. On output it contains number of bytes copied to lpHead buffer. If the annotation has the specified head, then its attributes are copied into output buffer lpHead and number of bytes copied is placed into pnDataSize. If lpHead is NULL and pnDataSize is not NULL, then on output pnDataSize contains the size of AT_ARTX_ARROW_HEAD structure. If lpHead is not NULL and pnDataSize is not NULL and there is no specified head, then on output pnDataSize contains zero.

Return Value:

Error count.

Supported Raster Image Formats:

This function does not process image pixels.

 

 

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