public MarginBar()
{
using (Graphics g = CreateGraphics())
{
_Dpi = g.DpiX;
}
_HangingIndent = new MarginBarMarker(MarkerAlign.Top, _Dpi, 0, false, PointerWidth, PointerHeight, GetMarkerTop(MarkerAlign.Top));
_LeftMargin = new MarginBarMarker(MarkerAlign.Bottom, _Dpi, 0, false, PointerWidth, PointerHeight, GetMarkerTop(MarkerAlign.Bottom));
#if DEBUG
_LeftMargins = new MarginBarButton(MarkerAlign.Top, _Dpi, 0, false, ButtonWidth, ButtonHeight, 0);
#endif
_RightMargin = new MarginBarMarker(MarkerAlign.Bottom, _Dpi, 0, true, PointerWidth, PointerHeight, GetMarkerTop(MarkerAlign.Bottom));
ImageMarkerDashStyle = DashStyle.Dash;
ImageMarkerLineColor = DefaultForeColor;
InitializeComponent();
InitializePaint();
}
protected override void OnPaint(PaintEventArgs e)
{
_Markers.Clear();
_PushedMarkers.Clear();
if (!_DoubleBufferedGraphics.Initialized)
{
_DoubleBufferedGraphics.Initialize(Width, Height);
}
base.OnPaint(new PaintEventArgs(_DoubleBufferedGraphics.Graphics, e.ClipRectangle));
DrawRuler(_DoubleBufferedGraphics.Graphics);
if (_ShowHangingIndent)
{
if (_HangingIndent.Pushed)
{
_PushedMarkers.Add(_HangingIndent);
}
else
{
_Markers.Add(_HangingIndent);
}
}
if (_ShowLeftMargin)
{
#if DEBUG
if (_LeftMargins.Pushed)
{
_PushedMarkers.Add(_LeftMargins);
}
else
{
_Markers.Add(_LeftMargins);
}
#endif
if (_LeftMargin.Pushed)
{
_PushedMarkers.Add(_LeftMargin);
}
else
{
_Markers.Add(_LeftMargin);
}
}
if (_ShowRightMargin)
{
if (_RightMargin.Pushed)
{
_PushedMarkers.Add(_RightMargin);
}
else
{
_Markers.Add(_RightMargin);
}
}
foreach (MarginBarMarkerBase marginBarMarkerBase in _Markers)
{
marginBarMarkerBase.Paint(_DoubleBufferedGraphics.Graphics, Padding.Left, GetActualRulerLength());
}
foreach (MarginBarMarkerBase marginBarMarkerBase in _PushedMarkers)
{
MarginBarMarker marginBarMarker = marginBarMarkerBase as MarginBarMarker;
if (marginBarMarker != null)
{
InvalidateImageMarkerControl(marginBarMarker);
}
marginBarMarkerBase.Paint(_DoubleBufferedGraphics.Graphics, Padding.Left, GetActualRulerLength());
}
_DoubleBufferedGraphics.Render(e.Graphics);
}