Scrollbar size

[MarkWarren]

I am using the latest version of GdViewer in Visual Studio/C++ and want to get the size of the viewer without including the scrollbars. GetDisplayedArea() returns the same dimensions whether there are scrollbars or not. GetScrollBarCtrl() returns NULL and GetScrollBarInfo() returns FALSE.

So how do I get the viewer size or the scrollbar size ?

[Loïc]

Hi,

the GetDisplayedArea() returns the portion (or area) of the image which is displayed. For me, the returned coordinates are different if the scrollbars are displayed or not.

The scrollbars have a fixed width: 16 pixels.

Kind regards,

Loïc

[MarkWarren]

Hi,

Not working for me. I am not using the force scrollbars function.

The area for the image is 1106 pixels as given by GetClientRect().

When I first load up the PDF GetDisplayedArea() gives a width of 4955 at a zoom of 0.2232 which multiplies to 1106 pixels - no scrollbars.

I zoom in and get a width of 1529 at a zoom of 0.7232 which multiplies to 1106 pixels - with scrollbars. I would have expected a width of 1507 which would multiply to 1090 pixels in this case.

I am currently using a hard coded value of 16 pixels for the width of the scrollbar, but obviously I would prefer to use functions on the GdViewer to get this if possible to prevent future changes breaking my code.