CScrollView::GetDeviceScrollSizes

  • 项目

voidGetDeviceScrollSizes(int&nMapMode,SIZE&sizeTotal,SIZE&sizePage,SIZE&sizeLine)const;

Parameters

nMapMode

Returns the current mapping mode for this view. For a list of possible values, see SetScrollSizes.

sizeTotal

Returns the current total size of the scroll view in device units.

sizePage

Returns the current horizontal and vertical amounts to scroll in each direction in response to a mouse click in a scroll-bar shaft. The cx member contains the horizontal amount. The cy member contains the vertical amount.

sizeLine

Returns the current horizontal and vertical amounts to scroll in each direction in response to a mouse click in a scroll arrow. The cx member contains the horizontal amount. The cy member contains the vertical amount.

Remarks

GetDeviceScrollSizes gets the current mapping mode, the total size, and the line and page sizes of the scrollable view. Sizes are in device units. This member function is rarely called.

CScrollView Overview |  Class Members |  Hierarchy Chart

See Also   CScrollView::SetScrollSizes, CScrollView::GetTotalSize