logo
VitNX3 Documentation

# VitNX_ScrollBase.OnMouseWheel Method

Namespace: VitNX.UI.ControlsV1.Controls
Assembly: VitNX3 (in VitNX3.dll)
Raises the MouseWheel event.
VB
C#
F#
C++
JScript
Copy

    protected override void OnMouseWheel(
       MouseEventArgs e
    )

    This language is not supported or no code example is available.

#### Parameters

e
  MouseEventArgs

A MouseEventArgs that contains the event data.

Source code
VB
C#
F#
C++
JScript
Copy

    protected override void OnMouseWheel(MouseEventArgs e)
     {
         base.OnMouseWheel(e);
         var horizontal = false;
         if (_hScrollBar.Visible && ModifierKeys == Keys.Control)
             horizontal = true;
         if (_hScrollBar.Visible && !_vScrollBar.Visible)
             horizontal = true;
         if (!horizontal)
         {
             if (e.Delta > 0)
                 _vScrollBar.ScrollByPhysical(3);
             else if (e.Delta < 0)
                 _vScrollBar.ScrollByPhysical(-3);
         }
         else
         {
             if (e.Delta > 0)
                 _hScrollBar.ScrollByPhysical(3);
             else if (e.Delta < 0)
                 _hScrollBar.ScrollByPhysical(-3);
         }
     }

    This language is not supported or no code example is available.

Applies to

#### .NET Framework

Supported in: 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8

#### .NET Core

Supported in: 5.0+, 6.0+
See Also
VitNX_ScrollBase Class
VitNX.UI.ControlsV1.Controls Namespace