This function sets the scroll parameters (not scroll position) and allows you to enable and disable the vertical and horizontal scrollbars associated with a given window.
Declaration:
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AT_ERRCOUNT ACCUAPI IG_dspl_scroll_set( [IN] HIGEAR hIGear, [IN] DWORD dwGrpID, [IN] HWND hWnd, [IN] AT_MODE nScrollMode, [IN] INT nXPage, [IN] INT nYPage, [OUT] LPAT_SCROLL_INFO lpScrollInfo ); |
Arguments:
Name | Type | Description |
hIGear | HIGEAR | ImageGear handle of image. |
dwGrpID | DWORD | Identifier of group in which to set scroll options. |
hWnd | HWND | Handle of window where image is drawn. |
nScrollMode | AT_MODE |
New value of ScrollbarMode to set. Possible value is a combination of the horizontal scrollbar flag:
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nXPage | INT | New value of scrolling page width. If 0 then it will be calculated from ClipRect. |
nYPage | INT | New value of scrolling page height. If 0 then it will be calculated from ClipRect. |
lpScrollInfo | LPAT_SCROLL_INFO | Where to copy new scroll parameters. If NULL then the 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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HIGEAR hIGear; /* HIGEAR handle of image */ DWORD nGrpID; /* display group identifier */ AT_SCROLL_INFO ScrollInfo; /* scroll info */ ... /* always hide both scrollbars */ IG_dspl_scroll_set( hIGear, nGrpID, hWnd, IG_DSPL_HSCROLLBAR_DISABLE|IG_DSPL_VSCROLLBAR_DISABLE, 0, 0, &ScrollInfo ); ... |