#region Imports
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using DPumpHydr.WinFrmUI.RLT.Child.Crown;
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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.Controls
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{
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#region CrownScrollView
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public abstract class CrownScrollView : CrownScrollBase
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{
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#region Constructor Region
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protected CrownScrollView()
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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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}
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#endregion
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#region Paint Region
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protected abstract void PaintContent(Graphics g);
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protected override void OnPaint(PaintEventArgs e)
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{
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Graphics g = e.Graphics;
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// Draw background
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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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// Offset the graphics based on the viewport, render the control contents, then reset it.
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g.TranslateTransform(Viewport.Left * -1, Viewport.Top * -1);
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PaintContent(g);
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g.TranslateTransform(Viewport.Left, Viewport.Top);
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// Draw the bit where the scrollbars meet
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if (_vScrollBar.Visible && _hScrollBar.Visible)
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{
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using SolidBrush b = new(ThemeProvider.Theme.Colors.GreyBackground);
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Rectangle rect = new(_hScrollBar.Right, _vScrollBar.Bottom, _vScrollBar.Width, _hScrollBar.Height);
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g.FillRectangle(b, rect);
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}
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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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