IViewScroller.ScrollViewportVerticallyByPixels Method
Scrolls the viewport vertically by the specified distance.
Namespace: Microsoft.VisualStudio.Text.Editor
Assembly: Microsoft.VisualStudio.Text.UI (in Microsoft.VisualStudio.Text.UI.dll)
Syntax
'宣言
Sub ScrollViewportVerticallyByPixels ( _
distanceToScroll As Double _
)
void ScrollViewportVerticallyByPixels(
double distanceToScroll
)
void ScrollViewportVerticallyByPixels(
double distanceToScroll
)
abstract ScrollViewportVerticallyByPixels :
distanceToScroll:float -> unit
function ScrollViewportVerticallyByPixels(
distanceToScroll : double
)
Parameters
- distanceToScroll
Type: System.Double
The distance to scroll in the text rendering coordinate system. Positive values scroll the viewport up, and negative values scroll the viewport down.
Exceptions
| Exception | Condition |
|---|---|
| ArgumentOutOfRangeException | distanceToScroll is NaN. |
Remarks
This can be very slow for large numbers of pixels. You should avoid using this method to scroll more than the height of the viewport in either direction.The viewport always contains at least one visible line along its top edge, and the distance scrolled will be clipped to ensure that this always remains true.
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.