109 lines
3.2 KiB
C#
109 lines
3.2 KiB
C#
using System;
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using System.Runtime.InteropServices;
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using System.ComponentModel;
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using System.Windows.Forms;
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using System.Drawing;
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namespace DeviceRepairAndOptimization.BaseControl
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{
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public partial class PanelEx : Panel
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{
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[DllImport("user32.dll")]
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private static extern IntPtr GetWindowDC(IntPtr hwnd);
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[DllImport("user32.dll")]
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private static extern int ReleaseDC(IntPtr hwnd, IntPtr hdc);
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private Color _borderColor = Color.FromArgb(184, 200, 210);
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private int _borderWidth = 1;
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[DefaultValue(null), Description("边框颜色")]
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public Color BorderColor
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{
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get
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{
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return _borderColor;
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}
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set
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{
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_borderColor = value;
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this.Invalidate();
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}
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}
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[DefaultValue(null), Description("边框宽度")]
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public int BorderWidth
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{
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get
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{
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return _borderWidth;
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}
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set
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{
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_borderWidth = value;
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this.Invalidate();
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}
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}
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public PanelEx()
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{
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SetStyle(ControlStyles.DoubleBuffer, true);
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SetStyle(ControlStyles.AllPaintingInWmPaint, true);
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SetStyle(ControlStyles.ResizeRedraw, true);
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SetStyle(ControlStyles.UserPaint, true);
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SetStyle(ControlStyles.SupportsTransparentBackColor, true);
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this.Paint += new PaintEventHandler(PanelEx_Paint);
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}
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public PanelEx(bool ShowScroll)
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{
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SetStyle(ControlStyles.DoubleBuffer, true);
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SetStyle(ControlStyles.AllPaintingInWmPaint, false);
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SetStyle(ControlStyles.ResizeRedraw, true);
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SetStyle(ControlStyles.UserPaint, true);
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SetStyle(ControlStyles.SupportsTransparentBackColor, true);
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if (ShowScroll)
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{
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HorizontalScroll.Visible = true;
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VerticalScroll.Visible = true;
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}
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this.Paint += new PaintEventHandler(PanelEx_Paint);
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}
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private void PanelEx_Paint(object sender, PaintEventArgs e)
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{
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if (this.BorderStyle == BorderStyle.FixedSingle)
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{
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IntPtr hDC = GetWindowDC(this.Handle);
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Graphics g = Graphics.FromHdc(hDC);
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ControlPaint.DrawBorder(
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g,
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new Rectangle(0, 0, this.Width, this.Height),
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_borderColor,
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_borderWidth,
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ButtonBorderStyle.Solid,
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_borderColor,
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_borderWidth,
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ButtonBorderStyle.Solid,
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_borderColor,
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_borderWidth,
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ButtonBorderStyle.Solid,
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_borderColor,
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_borderWidth,
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ButtonBorderStyle.Solid);
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g.Dispose();
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ReleaseDC(Handle, hDC);
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}
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}
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protected override Point ScrollToControl(Control activeControl)
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{
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return this.AutoScrollPosition;
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}
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}
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}
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