ImageGear for C and C++ on Windows v20.0 - Updated
AT_IGGUI_FORMAT_CB
API Reference Guide > GUI Component API Reference > GUI Component Structures Reference > AT_IGGUI_FORMAT_CB

This structure is used by the IG_gui_save_pageinsert_dlg function, along with the AT_IGGUI_SAVEPAGE_INFO structure, to specify the saving parameters for the inserted page.

Declaration:

 
Copy Code
typedef  struct  tagAT_IGGUI_FORMAT_CB
{
        LPVOID lpPrivate;
        LPFNIGGUI_FORMAT_DETECT lpfnFormatDetect;
        LPFNIGGUI_PAGE_COUNT_GET lpfnPageCountGet;
        LPFNIGGUI_PAGE_INFO_GET lpfnPageInfoGet;
        LPFNIGGUI_PAGE_LOAD lpfnPageLoad;
}AT_IGGUI_FORMAT_CB;

Members:

Name Type Description
lpPrivate LPVOID A pointer to the private data to be used in the callbacks. Usually it's a file name to which the page will be inserted.
lpfnFormatDetect LPFNIGGUI_FORMAT_DETECT A pointer to the callback function that implements file format detection routine. LpPrivate is a file name.
lpfnPageCountGet LPFNIGGUI_PAGE_COUNT_GET A pointer to the callback function that calculates a number of pages in the file. LpPrivate is a file name.
lpfnPageInfoGet LPFNIGGUI_PAGE_INFO_GET A pointer to the callback function that retrieves file information. LpPrivate is a file name.
lpfnPageLoad LPFNIGGUI_PAGE_LOAD A pointer to the callback function that loads a file. LpPrivate is a file name.

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