This callback function gets called whenever the user presses the Delete key over a page icon from the page sorter window.
Declaration:
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typedef VOID (ACCUAPI LPFNIG_GUIPAGEDELETEPROC)(
LPVOID lpPrivate,
HWND hwndPage,
HIGEAR hIGear,
UINT nPageNumber,
BOOL fDestroy
);
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Arguments:
| Name | Type | Description |
| lpPrivate | LPVOID | A far pointer to private data that is being passed into the callback. |
| hwndPage | HWND | Windows handle to the page sorter window. |
| hIGear | HIGEAR | HIGEAR handle to the image. |
| nPageNumber | UINT | This integer variable is set to the page number of the image icon in the GUI page sorter that will be deleted. |
| fDestroy | BOOL | A variable of type BOOL that gives you the status of whether the page sorter window has been destroyed. TRUE = destroyed. |
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_GUIPAGEDELETEPROC PageDeleteProc; /* Callback to handle deletion*/ IG_GUI_page_delete_CB_register(hwndPage, PageDeleteProc, NULL); /***************************************************************************/ /* Called when a page is deleted */ /***************************************************************************/ VOID ACCUAPI PageDeleteProc(LPVOID lpPrivateData, HWND hwndPage, HIGEAR hIGearPage, UINT nPage, BOOL fDestroy) { CHAR szBuf[_MAX_PATH + 32]; UINT nPageCount; lpPrivateData; /* delete the image */ IG_image_delete(hIGearPage); } /* See the Page.c sample code for a more complete procedure */ |
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Remarks:
This callback must first be registered by calling IG_GUI_page_delete_CB_register().