C# WinForm控件美化扩展系列之ListView
前面的一篇文章C# WinForm控件美化扩展系列之ListView（2）中，存在列表项文本错乱的问题，这是因为绘制文本的时候不小心选错了一个属性，把SubItem选成了Item，所以总会得到了第一项的文本。除了修正这个错误外，对列表项选中后的背景画法进行了改变，使得选中的列表项不在是每个子项都有一个矩形边框，而是全部只有一个矩形边框。另外，实现了对ListView的边框的重绘，可以轻易的更换边框颜色。
如下：
private void WmNcPaint(ref Message m)
{
base.WndProc(ref m);
if (base.BorderStyle == BorderStyle.None)
{
return;
}
IntPtr hDC = NativeMethods.GetWindowDC(m.HWnd);
if (hDC == IntPtr.Zero)
{
throw new Win32Exception();
}
try
{
Color backColor = BackColor;
Color borderColor = _borderColor;
Rectangle bounds = new Rectangle(0, 0, Width, Height);
using (Graphics g = Graphics.FromHdc(hDC))
{
using (Region region = new Region(bounds))
{
region.Exclude(AbsoluteClientRectangle);
using (Brush brush = new SolidBrush(backColor))
{
g.FillRegion(brush, region);
}
}
ControlPaint.DrawBorder(
g,
bounds,
borderColor,
ButtonBorderStyle.Solid);
}
}
finally
{
NativeMethods.ReleaseDC(m.HWnd, hDC);
}
m.Result = IntPtr.Zero;
}
文件下载
资源详情
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评论信息
-
-
-
xingqingxiang :东西不错，参考价值不小2020-09-19 -
-
luo1wei23 :不错的资源，能运行；但还有点小BUG，需要调整下2019-05-21
-
-
c10080109 :非常不错，可以自己在此基础上做一些改动，达到自己想要的效果2019-03-20
-
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jiang11458 :很不错的东西啊，谢谢。2018-05-09
-
-
weepingisgood :不错，比较完美2018-04-18
-
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