/// ------------------------------------------------------------------------------------
/// <summary>
/// Initializes a new instance of the <see cref="TriStateTreeView"/> class.
/// </summary>
/// ------------------------------------------------------------------------------------
public TriStateTreeView()
{
// This call is required by the Windows.Forms Form Designer.
InitializeComponent();
if (ThemeInformation.VisualStylesEnabled)
{
Bitmap bmp = new Bitmap(m_TriStateImages.ImageSize.Width, m_TriStateImages.ImageSize.Height);
Rectangle rc = new Rectangle(0, 0, bmp.Width, bmp.Height);
Graphics graphics = Graphics.FromImage(bmp);
ThemePaint.Draw(graphics, this, ThemeClasses.Button, ThemeParts.ButtonCheckBox,
ThemeStates.CheckBoxCheckedDisabled, rc, rc);
m_TriStateImages.Images[0] = bmp;
ThemePaint.Draw(graphics, this, ThemeClasses.Button, ThemeParts.ButtonCheckBox,
ThemeStates.CheckBoxUncheckedNormal, rc, rc);
m_TriStateImages.Images[1] = bmp;
ThemePaint.Draw(graphics, this, ThemeClasses.Button, ThemeParts.ButtonCheckBox,
ThemeStates.CheckBoxCheckedNormal, rc, rc);
m_TriStateImages.Images[2] = bmp;
}
ImageList = m_TriStateImages;
ImageIndex = (int)CheckState.Unchecked;
SelectedImageIndex = (int)CheckState.Unchecked;
}
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
ThemePaint.Draw(e.Graphics,
this,
ThemeClasses.Tab,
ThemeParts.TabBody,
ThemeStates.TabItemNormal,
ClientRectangle,
ClientRectangle);
}
protected override void OnPaintBackground(PaintEventArgs pevent)
{
base.OnPaintBackground(pevent);
if (Application.RenderWithVisualStyles)
{
ThemePaint.Draw(pevent.Graphics,
this,
ThemeClasses.Tab,
ThemeParts.TabBody,
ThemeStates.TabItemNormal,
ClientRectangle,
ClientRectangle);
}
}
