Source/ExplorerBarPanelControlHost.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

using System;
using System.Windows.Forms;
using System.Drawing;

namespace DevComponents.DotNetBar
{
	/// <summary>
	/// Summary description for ExplorerBarPanelControl.
	/// </summary>
	[System.ComponentModel.ToolboxItem(false),System.ComponentModel.DesignTimeVisible(false),System.Runtime.InteropServices.ComVisible(false)]
	public class ExplorerBarPanelControlHost:Control,IThemeCache
	{
		private ExplorerBarGroupItem m_ParentPanel=null;
		private BaseItem m_HotSubItem=null;
		private Point m_MouseDownPt=Point.Empty;

		// Theme Caching Support
		private ThemeWindow m_ThemeWindow=null;
		private ThemeRebar m_ThemeRebar=null;
		private ThemeToolbar m_ThemeToolbar=null;
		private ThemeHeader m_ThemeHeader=null;
		private ThemeScrollBar m_ThemeScrollBar=null;
		private ThemeExplorerBar m_ThemeExplorerBar=null;
		private ScrollButton m_TopScrollButton=null;
		private ScrollButton m_BottomScrollButton=null;

		public ExplorerBarPanelControlHost(ExplorerBarGroupItem parentPanel)
		{
			this.SetStyle(ControlStyles.UserPaint,true);
			this.SetStyle(ControlStyles.AllPaintingInWmPaint,true);
			this.SetStyle(ControlStyles.Opaque,true);
			this.SetStyle(ControlStyles.ResizeRedraw,true);
			this.SetStyle(ControlStyles.DoubleBuffer,true);
			this.TabStop=false;
			
			m_TopScrollButton=new ScrollButton();
			m_TopScrollButton.UseTimer=false;
			m_TopScrollButton.StandardButton=true;
			m_TopScrollButton.Visible=false;
			m_TopScrollButton.Orientation=eOrientation.Vertical;
			m_TopScrollButton.ButtonAlignment=eItemAlignment.Near;
			m_TopScrollButton.Size=new Size(16,16);
			this.Controls.Add(m_TopScrollButton);
			m_BottomScrollButton=new ScrollButton();
			m_BottomScrollButton.UseTimer=false;
			m_BottomScrollButton.StandardButton=true;
			m_BottomScrollButton.Visible=false;
			m_BottomScrollButton.Orientation=eOrientation.Vertical;
			m_BottomScrollButton.ButtonAlignment=eItemAlignment.Far;
			m_BottomScrollButton.Size=new Size(16,16);
			this.Controls.Add(m_BottomScrollButton);

			m_BottomScrollButton.MouseDown+=new MouseEventHandler(ScrollButtonClick);
			m_TopScrollButton.MouseDown+=new MouseEventHandler(ScrollButtonClick);

			m_ParentPanel=parentPanel;
			foreach(BaseItem item in  m_ParentPanel.SubItems)
				item.ContainerControl=this;
		}