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using System;
using System.Windows.Forms;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Security.Permissions;
namespace WeifenLuo.WinFormsUI.Docking
{
public abstract class DockPaneCaptionBase : Control
{
protected internal DockPaneCaptionBase(DockPane pane)
{
m_dockPane = pane;
SetStyle(ControlStyles.OptimizedDoubleBuffer |
ControlStyles.ResizeRedraw |
ControlStyles.UserPaint |
ControlStyles.AllPaintingInWmPaint, true);
SetStyle(ControlStyles.Selectable, false);
}
private DockPane m_dockPane;
protected DockPane DockPane
{
get { return m_dockPane; }
}
protected DockPane.AppearanceStyle Appearance
{
get { return DockPane.Appearance; }
}
protected bool HasTabPageContextMenu
{
get { return DockPane.HasTabPageContextMenu; }
}
protected void ShowTabPageContextMenu(Point position)
{
DockPane.ShowTabPageContextMenu(this, position);
}
protected override void OnMouseUp(MouseEventArgs e)
{
base.OnMouseUp(e);
if (e.Button == MouseButtons.Right)
ShowTabPageContextMenu(new Point(e.X, e.Y));
}
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
if (e.Button == MouseButtons.Left &&
DockPane.DockPanel.AllowEndUserDocking &&
DockPane.AllowDockDragAndDrop &&
!DockHelper.IsDockStateAutoHide(DockPane.DockState) &&
DockPane.ActiveContent != null)
DockPane.DockPanel.BeginDrag(DockPane);
}
[SecurityPermission(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.UnmanagedCode)]
protected override void WndProc(ref Message m)
{
if (m.Msg == (int)Win32.Msgs.WM_LBUTTONDBLCLK)
{
if (DockHelper.IsDockStateAutoHide(DockPane.DockState))
{
DockPane.DockPanel.ActiveAutoHideContent = null;
return;
}
if (DockPane.IsFloat)
DockPane.RestoreToPanel();
else
DockPane.Float();
}
base.WndProc(ref m);
}
internal void RefreshChanges()
{
if (IsDisposed)
return;
OnRefreshChanges();
}
protected virtual void OnRightToLeftLayoutChanged()
{
}
protected virtual void OnRefreshChanges()
{
}
protected internal abstract int MeasureHeight();
}
}
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