Source/Controls/ScrollBarReplacement.cs
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#if FRAMEWORK20
using System;
using System.Text;
using DevComponents.DotNetBar.ScrollBar;
using System.Drawing;
using System.Windows.Forms;
using DevComponents.DotNetBar.Rendering;
namespace DevComponents.DotNetBar.Controls
{
internal class ScrollBarReplacement:IDisposable
{
#region Private Variables
private ScrollBarCore m_ScrollBarCore = null;
private System.Windows.Forms.ScrollBar m_ParentScrollBar = null;
private IScrollBarExtender m_ParentScrollBarWndProc = null;
private bool m_IsVScrollBar = false;
#endregion
#region Constructor
public ScrollBarReplacement(System.Windows.Forms.ScrollBar sb)
{
m_ParentScrollBar = sb;
m_ParentScrollBarWndProc = (IScrollBarExtender)m_ParentScrollBar;
m_IsVScrollBar = m_ParentScrollBar is VScrollBar;
m_ScrollBarCore = new ScrollBarCore(m_ParentScrollBar, false);
m_ScrollBarCore.ValueChanged += new EventHandler(ScrollBarCore_ValueChanged);
if (m_ParentScrollBar is HScrollBar)
m_ScrollBarCore.Orientation = eOrientation.Horizontal;
else
m_ScrollBarCore.Orientation = eOrientation.Vertical;
m_ScrollBarCore.Minimum = m_ParentScrollBar.Minimum;
m_ScrollBarCore.Maximum = m_ParentScrollBar.Maximum;
m_ScrollBarCore.Value = m_ParentScrollBar.Value;
m_ScrollBarCore.Enabled = m_ParentScrollBar.Enabled;
m_ParentScrollBar.EnabledChanged += new EventHandler(ParentScrollBar_EnabledChanged);
}
#endregion
#region Internal Implementation
private void ParentScrollBar_EnabledChanged(object sender, EventArgs e)
{
m_ScrollBarCore.Enabled = m_ParentScrollBar.Enabled;
}
internal void OnHandleCreated()
{
UpdateScrollValues();
}
internal void UpdateScrollValues()
{
Rectangle r = new Rectangle(0, 0, m_ParentScrollBar.Width, m_ParentScrollBar.Height);
if (m_ScrollBarCore.Minimum != m_ParentScrollBar.Minimum)
m_ScrollBarCore.Minimum = m_ParentScrollBar.Minimum;
if (m_ScrollBarCore.Maximum != m_ParentScrollBar.Maximum)
m_ScrollBarCore.Maximum = m_ParentScrollBar.Maximum;
if (m_ScrollBarCore.SmallChange != m_ParentScrollBar.SmallChange)
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