DeviceManager/DeviceRepairAndOptimization/BaseControl/PanelEx.cs
2024-05-28 22:36:38 +08:00

109 lines
3.2 KiB
C#

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