IG_dspl_scroll

This function calculates and returns the current scroll parameters.

Declaration:

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AT_ERRCOUNT ACCUAPI IG_dspl_scroll_get( [IN] HIGEAR hIGear, [IN] DWORD dwGrpID, [IN] HWND hWnd, [OUT] LPAT_MODE lpnScrollMode, [OUT] LPAT_SCROLL_INFO lpScrollInfo );

Arguments:

Name	Type	Description
hIGear	HIGEAR	ImageGear handle of image.
dwGrpID	DWORD	Identifier of group from which to retrieve scroll parameters.
hWnd	HWND	Pointer to NSView or NSScrollView object where image is drawn. Pointer must be casted to non-retainable HWND type with (__bridge HWND) operator.
lpnScrollMode	LPAT_MODE	Where ScrollbarMode is to be received. If NULL, then this parameter is ignored.
lpScrollInfo	LPAT_SCROLL_INFO	Where to copy the current scroll parameters. If NULL, then this parameter is ignored.

Return Value:

Returns the number of ImageGear errors that occurred during this function call.

Supported Raster Image Formats:

All pixel formats supported by ImageGear Professional.

Example:

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NSView* nsView = self; HIGEAR hIGear; /* HIGEAR handle of image / DWORD nGrpID; / display group identifier / AT_MODE nScrollMode; / scroll mode / AT_SCROLL_INFO ScrollInfo; / scroll info */ ... IG_dspl_scroll_get( hIGear, nGrpID, (__bridge HWND)nsView, &nScrollMode, &ScrollInfo ); ...

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NSView* nsView = self;

HIGEAR hIGear; /* HIGEAR handle of image */
DWORD nGrpID; /* display group identifier */
AT_MODE nScrollMode; /* scroll mode */
AT_SCROLL_INFO ScrollInfo; /* scroll info */
...
IG_dspl_scroll_get( hIGear, nGrpID, (__bridge HWND)nsView, &nScrollMode, &ScrollInfo );
...