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https://github.com/baldurk/renderdoc.git
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baldurk
433 lines
15 KiB
C#
433 lines
15 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Text;
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using System.Windows.Forms;
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using System.Windows.Forms.VisualStyles;
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using System.Runtime.InteropServices;
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// Taken from http://www.codeproject.com/Articles/23746/TreeView-with-Columns with minor tweaks
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// and fixes for my purposes.
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namespace TreelistView
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{
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public class VisualStyleItemBackground // can't find system provided visual style for this.
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{
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[StructLayout(LayoutKind.Sequential)]
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public class RECT
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{
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public int left;
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public int top;
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public int right;
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public int bottom;
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public RECT()
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{
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}
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public RECT(Rectangle r)
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{
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this.left = r.X;
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this.top = r.Y;
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this.right = r.Right;
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this.bottom = r.Bottom;
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}
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}
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[DllImport("uxtheme.dll", CharSet=CharSet.Auto)]
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public static extern int DrawThemeBackground(IntPtr hTheme, IntPtr hdc, int partId, int stateId, [In] RECT pRect, [In] RECT pClipRect);
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[DllImport("uxtheme.dll", CharSet=CharSet.Auto)]
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public static extern IntPtr OpenThemeData(IntPtr hwnd, [MarshalAs(UnmanagedType.LPWStr)] string pszClassList);
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[DllImport("uxtheme.dll", CharSet=CharSet.Auto)]
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public static extern int CloseThemeData(IntPtr hTheme);
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//http://www.ookii.org/misc/vsstyle.h
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//http://msdn2.microsoft.com/en-us/library/bb773210(VS.85).aspx
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enum ITEMSTATES
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{
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LBPSI_HOT = 1,
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LBPSI_HOTSELECTED = 2,
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LBPSI_SELECTED = 3,
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LBPSI_SELECTEDNOTFOCUS = 4,
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};
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enum LISTBOXPARTS
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{
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LBCP_BORDER_HSCROLL = 1,
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LBCP_BORDER_HVSCROLL = 2,
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LBCP_BORDER_NOSCROLL = 3,
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LBCP_BORDER_VSCROLL = 4,
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LBCP_ITEM = 5,
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};
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public enum Style
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{
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Normal,
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Inactive, // when not focused
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}
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Style m_style;
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public VisualStyleItemBackground(Style style)
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{
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m_style = style;
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}
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public void DrawBackground(Control owner, Graphics dc, Rectangle r, Color col)
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{
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/*
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IntPtr themeHandle = OpenThemeData(owner.Handle, "Explorer");
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if (themeHandle != IntPtr.Zero)
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{
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DrawThemeBackground(themeHandle, dc.GetHdc(), (int)LISTBOXPARTS.LBCP_ITEM, (int)ITEMSTATES.LBPSI_SELECTED, new RECT(r), new RECT(r));
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dc.ReleaseHdc();
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CloseThemeData(themeHandle);
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return;
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}
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*/
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Pen pen = new Pen(col);
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GraphicsPath path = new GraphicsPath();
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path.AddLine(r.Left + 2, r.Top, r.Right - 2, r.Top);
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path.AddLine(r.Right, r.Top + 2, r.Right, r.Bottom - 2);
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path.AddLine(r.Right - 2, r.Bottom, r.Left + 2, r.Bottom);
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path.AddLine(r.Left, r.Bottom - 2, r.Left, r.Top + 2);
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path.CloseFigure();
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dc.DrawPath(pen, path);
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//r.Inflate(-1, -1);
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LinearGradientBrush brush = new LinearGradientBrush(r, Color.FromArgb(120, col), col, 90);
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dc.FillRectangle(brush, r);
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// for some reason in some cases the 'white' end of the gradient brush is drawn with the starting color
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// therefore this redraw of the 'top' line of the rectangle
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//dc.DrawLine(Pens.White, r.Left + 1, r.Top, r.Right - 1, r.Top);
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pen.Dispose();
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brush.Dispose();
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path.Dispose();
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}
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}
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public delegate string CellDataToString(TreeListColumn column, object data);
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public class CellPainter
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{
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public static Rectangle AdjustRectangle(Rectangle r, Padding padding)
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{
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r.X += padding.Left;
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r.Width -= padding.Left + padding.Right;
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r.Y += padding.Top;
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r.Height -= padding.Top + padding.Bottom;
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return r;
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}
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protected TreeListView m_owner;
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protected CellDataToString m_converter = null;
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public CellDataToString CellDataConverter
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{
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get { return m_converter; }
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set { m_converter = value; }
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}
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public CellPainter(TreeListView owner)
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{
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m_owner = owner;
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}
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public virtual void DrawSelectionBackground(Graphics dc, Rectangle nodeRect, Node node)
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{
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Point mousePoint = m_owner.PointToClient(Cursor.Position);
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Node hoverNode = m_owner.CalcHitNode(mousePoint);
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if (m_owner.NodesSelection.Contains(node) || m_owner.FocusedNode == node)
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{
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Color col = m_owner.Focused ? SystemColors.Highlight : SystemColors.ControlLight;
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if (!Application.RenderWithVisualStyles)
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{
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// have to fill the solid background only before the node is painted
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dc.FillRectangle(SystemBrushes.FromSystemColor(col), nodeRect);
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}
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else
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{
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col = m_owner.Focused ? SystemColors.Highlight : Color.FromArgb(180, SystemColors.ControlDark);
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// have to draw the transparent background after the node is painted
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VisualStyleItemBackground.Style style = VisualStyleItemBackground.Style.Normal;
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if (m_owner.Focused == false)
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style = VisualStyleItemBackground.Style.Inactive;
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VisualStyleItemBackground rendere = new VisualStyleItemBackground(style);
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rendere.DrawBackground(m_owner, dc, nodeRect, col);
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}
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}
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else if (hoverNode == node && m_owner.RowOptions.HoverHighlight)
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{
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Color col = SystemColors.ControlLight;
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if (!Application.RenderWithVisualStyles)
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{
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// have to fill the solid background only before the node is painted
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dc.FillRectangle(SystemBrushes.FromSystemColor(col), nodeRect);
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}
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else
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{
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// have to draw the transparent background after the node is painted
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VisualStyleItemBackground.Style style = VisualStyleItemBackground.Style.Normal;
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if (m_owner.Focused == false)
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style = VisualStyleItemBackground.Style.Inactive;
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VisualStyleItemBackground rendere = new VisualStyleItemBackground(style);
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rendere.DrawBackground(m_owner, dc, nodeRect, col);
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}
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}
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if (m_owner.Focused && (m_owner.FocusedNode == node))
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{
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nodeRect.Height += 1;
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nodeRect.Inflate(-1,-1);
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ControlPaint.DrawFocusRectangle(dc, nodeRect);
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}
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}
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public virtual void PaintCellBackground(Graphics dc,
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Rectangle cellRect,
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Node node,
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TreeListColumn column,
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TreeList.TextFormatting format,
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object data)
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{
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Color c = Color.Transparent;
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Point mousePoint = m_owner.PointToClient(Cursor.Position);
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Node hoverNode = m_owner.CalcHitNode(mousePoint);
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if (format.BackColor != Color.Transparent)
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c = format.BackColor;
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if (!m_owner.NodesSelection.Contains(node) && m_owner.FocusedNode != node &&
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!(hoverNode == node && m_owner.RowOptions.HoverHighlight) &&
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node.DefaultBackColor != Color.Transparent)
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c = node.DefaultBackColor;
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if (node.BackColor != Color.Transparent && !m_owner.NodesSelection.Contains(node) && m_owner.SelectedNode != node)
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c = node.BackColor;
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if (column.Index < node.IndexedBackColor.Length && node.IndexedBackColor[column.Index] != Color.Transparent)
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c = node.IndexedBackColor[column.Index];
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if (c != Color.Transparent)
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{
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Rectangle r = cellRect;
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r.X -= Math.Max(0, column.CalculatedRect.Width - cellRect.Width);
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r.Width += Math.Max(0, column.CalculatedRect.Width - cellRect.Width);
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SolidBrush brush = new SolidBrush(c);
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dc.FillRectangle(brush, r);
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brush.Dispose();
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}
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}
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public virtual void PaintCellText(Graphics dc,
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Rectangle cellRect,
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Node node,
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TreeListColumn column,
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TreeList.TextFormatting format,
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object data)
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{
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if (data != null)
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{
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cellRect = AdjustRectangle(cellRect, format.Padding);
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//dc.DrawRectangle(Pens.Black, cellRect);
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Color color = format.ForeColor;
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if (node.ForeColor != Color.Transparent)
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color = node.ForeColor;
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if (m_owner.FocusedNode == node && Application.RenderWithVisualStyles == false && m_owner.Focused)
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color = SystemColors.HighlightText;
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TextFormatFlags flags= TextFormatFlags.EndEllipsis | format.GetFormattingFlags();
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Font f = m_owner.Font;
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Font disposefont = null;
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if(node.Bold && node.Italic)
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disposefont = f = new Font(f, FontStyle.Bold|FontStyle.Italic);
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else if (node.Bold)
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disposefont = f = new Font(f, FontStyle.Bold);
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else if (node.Italic)
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disposefont = f = new Font(f, FontStyle.Italic);
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string datastring = "";
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if(m_converter != null)
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datastring = m_converter(column, data);
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else
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datastring = data.ToString();
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TextRenderer.DrawText(dc, datastring, f, cellRect, color, flags);
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if (disposefont != null) disposefont.Dispose();
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}
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}
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public virtual void PaintCellPlusMinus(Graphics dc, Rectangle glyphRect, Node node, TreeListColumn column, TreeList.TextFormatting format)
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{
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if (!Application.RenderWithVisualStyles)
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{
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// find square rect first
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int diff = glyphRect.Height-glyphRect.Width;
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glyphRect.Y += diff/2;
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glyphRect.Height -= diff;
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// draw 8x8 box centred
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while (glyphRect.Height > 8)
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{
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glyphRect.Height -= 2;
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glyphRect.Y += 1;
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glyphRect.X += 1;
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}
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// make a box
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glyphRect.Width = glyphRect.Height;
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// clear first
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SolidBrush brush = new SolidBrush(format.BackColor);
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if (format.BackColor == Color.Transparent)
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brush = new SolidBrush(m_owner.BackColor);
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dc.FillRectangle(brush, glyphRect);
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brush.Dispose();
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// draw outline
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Pen p = new Pen(SystemColors.ControlDark);
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dc.DrawRectangle(p, glyphRect);
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p.Dispose();
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p = new Pen(SystemColors.ControlText);
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// reduce box for internal lines
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glyphRect.X += 2; glyphRect.Y += 2;
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glyphRect.Width -= 4; glyphRect.Height -= 4;
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// draw horizontal line always
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dc.DrawLine(p, glyphRect.X, glyphRect.Y + glyphRect.Height / 2, glyphRect.X + glyphRect.Width, glyphRect.Y + glyphRect.Height / 2);
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// draw vertical line if this should be a +
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if(!node.Expanded)
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dc.DrawLine(p, glyphRect.X + glyphRect.Width / 2, glyphRect.Y, glyphRect.X + glyphRect.Width / 2, glyphRect.Y + glyphRect.Height);
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p.Dispose();
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return;
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}
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VisualStyleElement element = VisualStyleElement.TreeView.Glyph.Closed;
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if (node.Expanded)
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element = VisualStyleElement.TreeView.Glyph.Opened;
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if (VisualStyleRenderer.IsElementDefined(element))
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{
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VisualStyleRenderer renderer = new VisualStyleRenderer(element);
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renderer.DrawBackground(dc, glyphRect);
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}
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}
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}
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public class ColumnHeaderPainter
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{
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TreeListView m_owner;
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public ColumnHeaderPainter(TreeListView owner)
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{
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m_owner = owner;
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}
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public static Rectangle AdjustRectangle(Rectangle r, Padding padding)
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{
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r.X += padding.Left;
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r.Width -= padding.Left + padding.Right;
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r.Y += padding.Top;
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r.Height -= padding.Top + padding.Bottom;
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return r;
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}
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public virtual void DrawHeaderFiller(Graphics dc, Rectangle r)
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{
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if (!Application.RenderWithVisualStyles)
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{
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ControlPaint.DrawButton(dc, r, ButtonState.Flat);
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return;
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}
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VisualStyleElement element = VisualStyleElement.Header.Item.Normal;
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if (VisualStyleRenderer.IsElementDefined(element))
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{
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VisualStyleRenderer renderer = new VisualStyleRenderer(element);
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renderer.DrawBackground(dc, r);
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}
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}
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public void DrawHeaderText(Graphics dc, Rectangle cellRect, TreeListColumn column, TreeList.TextFormatting format)
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{
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Color color = format.ForeColor;
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TextFormatFlags flags = TextFormatFlags.EndEllipsis | format.GetFormattingFlags();
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TextRenderer.DrawText(dc, column.Caption, column.Font, cellRect, color, flags);
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}
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public virtual void DrawHeader(Graphics dc, Rectangle cellRect, TreeListColumn column, TreeList.TextFormatting format, bool isHot, bool highlight)
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{
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Rectangle textRect = AdjustRectangle(cellRect, format.Padding);
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if (!Application.RenderWithVisualStyles)
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{
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ControlPaint.DrawButton(dc, cellRect,
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m_owner.ViewOptions.UserRearrangeableColumns && highlight ? ButtonState.Pushed : ButtonState.Flat);
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DrawHeaderText(dc, textRect, column, format);
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return;
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}
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VisualStyleElement element = VisualStyleElement.Header.Item.Normal;
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if (isHot || highlight)
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element = VisualStyleElement.Header.Item.Hot;
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if (VisualStyleRenderer.IsElementDefined(element))
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{
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VisualStyleRenderer renderer = new VisualStyleRenderer(element);
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renderer.DrawBackground(dc, cellRect);
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if (format.BackColor != Color.Transparent)
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{
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SolidBrush brush = new SolidBrush(format.BackColor);
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dc.FillRectangle(brush, cellRect);
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brush.Dispose();
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}
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//dc.DrawRectangle(Pens.Black, cellRect);
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DrawHeaderText(dc, textRect, column, format);
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}
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}
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public virtual void DrawVerticalGridLines(TreeListColumnCollection columns, Graphics dc, Rectangle r, int hScrollOffset)
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{
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foreach (TreeListColumn col in columns.VisibleColumns)
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{
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int rightPos = col.CalculatedRect.Right - hScrollOffset;
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if (rightPos < 0)
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continue;
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Pen p = new Pen(columns.Owner.GridLineColour);
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dc.DrawLine(p, rightPos, r.Top, rightPos, r.Bottom);
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p.Dispose();
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}
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}
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}
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public class RowPainter
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{
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public void DrawHeader(Graphics dc, Rectangle r, bool isHot)
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{
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if (!Application.RenderWithVisualStyles)
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{
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if (r.Width > 0 && r.Height > 0)
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{
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ControlPaint.DrawButton(dc, r, ButtonState.Flat);
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}
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return;
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}
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VisualStyleElement element = VisualStyleElement.Header.Item.Normal;
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if (isHot)
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element = VisualStyleElement.Header.Item.Hot;
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if (VisualStyleRenderer.IsElementDefined(element))
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{
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VisualStyleRenderer renderer = new VisualStyleRenderer(element);
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renderer.DrawBackground(dc, r);
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}
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}
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public void DrawHorizontalGridLine(Graphics dc, Rectangle r, Color col)
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{
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Pen p = new Pen(col);
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dc.DrawLine(p, r.Left, r.Bottom, r.Right, r.Bottom);
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p.Dispose();
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}
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}
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}
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