#region Imports
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using System;
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using System.ComponentModel;
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using System.Drawing;
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using System.Windows.Forms;
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using static DPumpHydr.WinFrmUI.RLT.Helper.CrownHelper;
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#endregion
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namespace DPumpHydr.WinFrmUI.RLT.Docking.Crown
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{
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#region CrownToolWindowDocking
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[ToolboxItem(false)]
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public class CrownToolWindow : CrownDockContent
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{
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#region Field Region
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private Rectangle _closeButtonRect;
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private bool _closeButtonHot = false;
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private bool _closeButtonPressed = false;
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private Rectangle _headerRect;
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private bool _shouldDrag;
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#endregion
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#region Property Region
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[Browsable(false)]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
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public new Padding Padding => base.Padding;
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#endregion
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#region Constructor Region
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public CrownToolWindow()
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{
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SetStyle
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(
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ControlStyles.OptimizedDoubleBuffer |
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ControlStyles.ResizeRedraw |
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ControlStyles.UserPaint,
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true
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);
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//BackColor = ThemeProvider.Theme.Colors.GreyBackground;
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base.Padding = new Padding(0, ThemeProvider.Theme.Sizes.ToolWindowHeaderSize, 0, 0);
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UpdateCloseButton();
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}
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#endregion
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#region Method Region
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private bool IsActive()
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{
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if (DockPanel == null)
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{
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return false;
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}
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return DockPanel.ActiveContent == this;
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}
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private void UpdateCloseButton()
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{
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_headerRect = new Rectangle
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{
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X = ClientRectangle.Left,
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Y = ClientRectangle.Top,
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Width = ClientRectangle.Width,
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Height = ThemeProvider.Theme.Sizes.ToolWindowHeaderSize
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};
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_closeButtonRect = new Rectangle
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{
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X = ClientRectangle.Right - Properties.Resources.tw_close.Width - 5 - 3,
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Y = ClientRectangle.Top + (ThemeProvider.Theme.Sizes.ToolWindowHeaderSize / 2) - (Properties.Resources.tw_close.Height / 2),
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Width = Properties.Resources.tw_close.Width,
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Height = Properties.Resources.tw_close.Height
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};
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}
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#endregion
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#region Event Handler Region
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protected override void OnResize(EventArgs e)
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{
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base.OnResize(e);
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UpdateCloseButton();
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}
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protected override void OnMouseMove(MouseEventArgs e)
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{
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base.OnMouseMove(e);
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if (_closeButtonRect.Contains(e.Location) || _closeButtonPressed)
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{
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if (!_closeButtonHot)
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{
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_closeButtonHot = true;
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Invalidate();
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}
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}
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else
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{
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if (_closeButtonHot)
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{
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_closeButtonHot = false;
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Invalidate();
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}
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if (_shouldDrag)
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{
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DockPanel.DragContent(this);
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return;
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}
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}
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}
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protected override void OnMouseDown(MouseEventArgs e)
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{
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base.OnMouseDown(e);
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if (_closeButtonRect.Contains(e.Location))
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{
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_closeButtonPressed = true;
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_closeButtonHot = true;
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Invalidate();
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return;
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}
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if (_headerRect.Contains(e.Location))
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{
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_shouldDrag = true;
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return;
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}
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}
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protected override void OnMouseUp(MouseEventArgs e)
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{
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base.OnMouseUp(e);
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if (_closeButtonRect.Contains(e.Location) && _closeButtonPressed)
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{
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Close();
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}
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_closeButtonPressed = false;
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_closeButtonHot = false;
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_shouldDrag = false;
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Invalidate();
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}
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#endregion
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#region Paint Region
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protected override void OnPaint(PaintEventArgs e)
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{
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// if (_isDispCloseIcon)
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{
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Graphics g = e.Graphics;
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// Fill body
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using (SolidBrush b = new(ThemeProvider.Theme.Colors.GreyBackground))
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{
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g.FillRectangle(b, ClientRectangle);
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}
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bool isActive = IsActive();
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// Draw header
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Color bgColor = isActive ? ThemeProvider.Theme.Colors.BlueBackground : ThemeProvider.Theme.Colors.HeaderBackground;
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Color darkColor = isActive ? ThemeProvider.Theme.Colors.DarkBlueBorder : ThemeProvider.Theme.Colors.DarkBorder;
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Color lightColor = isActive ? ThemeProvider.Theme.Colors.LightBlueBorder : ThemeProvider.Theme.Colors.LightBorder;
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using (SolidBrush b = new(bgColor))
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{
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Rectangle bgRect = new(0, 0, ClientRectangle.Width, ThemeProvider.Theme.Sizes.ToolWindowHeaderSize);
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g.FillRectangle(b, bgRect);
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}
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using (Pen p = new(darkColor))
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{
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g.DrawLine(p, ClientRectangle.Left, 0, ClientRectangle.Right, 0);
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g.DrawLine(p, ClientRectangle.Left, ThemeProvider.Theme.Sizes.ToolWindowHeaderSize - 1, ClientRectangle.Right, ThemeProvider.Theme.Sizes.ToolWindowHeaderSize - 1);
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}
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using (Pen p = new(lightColor))
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{
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g.DrawLine(p, ClientRectangle.Left, 1, ClientRectangle.Right, 1);
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}
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int xOffset = 2;
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// Draw icon
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if (Icon != null)
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{
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g.DrawImageUnscaled(Icon, ClientRectangle.Left + 5, ClientRectangle.Top + (ThemeProvider.Theme.Sizes.ToolWindowHeaderSize / 2) - (Icon.Height / 2) + 1);
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xOffset = Icon.Width + 8;
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}
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// Draw text
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using (SolidBrush b = new(ThemeProvider.Theme.Colors.LightText))
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{
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Rectangle textRect = new(xOffset, 0, ClientRectangle.Width - 4 - xOffset, ThemeProvider.Theme.Sizes.ToolWindowHeaderSize);
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StringFormat format = new()
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{
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Alignment = StringAlignment.Near,
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LineAlignment = StringAlignment.Center,
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FormatFlags = StringFormatFlags.NoWrap,
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Trimming = StringTrimming.EllipsisCharacter
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};
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g.DrawString(DockText, Font, b, textRect, format);
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}
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// Close button
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Bitmap img = _closeButtonHot ? Properties.Resources.tw_close_selected : Properties.Resources.tw_close;
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if (isActive)
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{
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img = _closeButtonHot ? Properties.Resources.tw_active_close_selected : Properties.Resources.tw_active_close;
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}
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g.DrawImageUnscaled(img, _closeButtonRect.Left, _closeButtonRect.Top);
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}
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}
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protected bool _isDispCloseIcon = true;
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//public bool IsDispCloseIcon
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//{
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// get { return _isDispCloseIcon; }
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// set { _isDispCloseIcon = value; }
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//}
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protected override void OnPaintBackground(PaintEventArgs e)
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{
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// Absorb event
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}
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#endregion
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}
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#endregion
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}
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