This callback function gets called every time a page icon is selected (mouse-clicked over) by the user from the page sorter window.
Declaration:
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typedef VOID (ACCUAPI LPFNIG_GUIPAGESELECTPROC)(
LPVOID lpPrivate,
HWND hwndPage,
HIGEAR hIGear,
UINT nPageNumber
);
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Arguments:
| Name | Type | Description |
| lpPrivate | LPVOID | A far pointer to private data that is being pass into the callback. |
| hwndPage | HWND | Windows handle to the GUI page sorter window. |
| hIGear | HIGEAR | HIGEAR handle to the image. |
| nPageNumber | UINT | The page number of the currently selected page icon. |
Return Value:
None
Supported Raster Image Formats:
All pixel formats supported by ImageGear Professional.
Sample:
Page
Example:
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HIGEAR hIGear; /* HIGEAR handle of image */ HWND hwndPage; /* Windows handle to the page sorter window */ LPFNIG_GUIPAGESELECTPROC PageSelectProc; /* Callback for icon selection*/ IG_GUI_page_select_CB_register(hwndPage, PageSelectProc, NULL); /***************************************************************************/ /* Called when a page is selected */ /***************************************************************************/ VOID ACCUAPI PageSelectProc( LPVOID lpPrivateData, HWND hwndPage, HIGEAR hIGearPage, UINT nPage ) { CHAR szBuf[_MAX_PATH + 32]; hwndPage, lpPrivateData; hIGear = hIGearPage; nCurrentPage = nPage; /* change the title of the main window to reflect a page change */ wsprintf(szBuf, "%s Page: %d", (LPVOID)szFile, nPage); SetWindowText(hWndMain, szBuf); IG_dspl_dithering_set(hIGear, IG_GRP_DEFAULT, IG_DSPL_DITHER_FIXED_PALETTE); InvalidateRect(hWndMain, NULL, FALSE); UpdateWindow(hWndMain); } |
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Remarks:
This callback must first be registered by calling IG_GUI_page_select_CB_register().