ImageGear Professional for Unix
IG_dspl_scroll_to_ex
| ImageGear Professional v18.2 > API Reference Guide > Core Component API Reference > Core Component Functions Reference > Display Functions > IG_dspl_scroll_to_ex |
This function scrolls the image to a specified position and updates the window's scroll bars accordingly.
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AT_ERRCOUNT ACCUAPI IG_dspl_scroll_to_ex(
[IN] HIGEAR hIGear,
[IN] DWORD dwGrpID,
[IN] HWND hWnd,
[IN] INT nXPos,
[IN] INT nYPos,
[OUT] LPAT_SCROLL_INFO lpScrollInfo
[IN] BOOL bRepaint
);
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| Name | Type | Description |
| hIGear | HIGEAR | ImageGear handle of image. |
| dwGrpID | DWORD | Identifier of group where to work. |
| hWnd | HWND | Handle of window where image is drawn and scrolled. |
| nXPos | INT | New horizontal scroll position. Should be in a valid range that can be retrieved using the IG_dspl_scroll_get() function. |
| nYPos | INT | New vertical scroll position. Should be in a valid range that can be retrieved using the IG_dspl_scroll_get() function. |
| lpScrollInfo | LPAT_SCROLL_INFO | Where to copy the new scroll parameters. If NULL then the parameter is ignored. |
| bRepaint | BOOL | This parameter determines if the function repaints scrolling content (TRUE) or not (FALSE). |
Returns the number of ImageGear errors that occurred during this function call.
All pixel formats supported by ImageGear Professional.
It can be used even if a window's scroll bars are disabled. Both scroll positions should be in valid scroll range but if not, then the nearest valid value will be assigned.
This function is the same as IG_dspl_scroll_to() function, but has bRepaint parameter that when FALSE allows do not repaint the scrolling content.