ImageGear for C and C++ on Windows v21.0 - Updated
API Reference Guide / GUI Component API Reference / GUI Component Structures Reference / AT_IGGUI_IP_EDGE_DETECTION
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    AT_IGGUI_IP_EDGE_DETECTION
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    A structure that supplies information to IG_gui_ip_edge_detection_dlg.

    Declaration:

     
    Copy Code
    typedef struct tagAT_IGGUI_IP_EDGE_DETECTION
    {
       DWORD cbSize;
       HIGEAR hIGear;
       HWND hWnd;
       LPFNIGGUI_IP_UPDATE lpfnUpdateProc;
       LPCHAR lpszTitle;
       AT_ERRCOUNT nErrCount;
       AT_MODE nType;
       AT_RECT rc;
       UINT uFlags;
    
    } AT_IGGUI_IP_EDGE_DETECTION, * LPAT_IGGUI_IP_EDGE_DETECTION;
    

    Structure Members:

    Name Type Description
    cbSize DWORD Specifies the length, in bytes, of the structure.
    hIGear HIGEAR A handle of an image.
    hWnd HWND A handle of the window to update.
    lpfnUpdateProc LPFNIGGUI_IP_UPDATE A pointer to a function of type FNIGGUI_IP_UPDATE to notify the application that an Image Processing operation has been applied to the image.
    lpszTitle LPCHAR A dialog title.
    nErrCount AT_ERRCOUNT The number of ImageGear errors that occurred during this function call.
    nType AT_MODE Type of edge detection method to perform.
    rc AT_RECT An AT_RECT struct specifying the rectangular portion of the image on which to operate.
    uFlags UINT A set of bit flags you can use to initialize the dialog box.