【文件属性】：
文件名称：WINFORM 窗体圆角+四边阴影
文件大小：620KB
文件格式：ZIP
更新时间：2021-05-13 10:08:09
四边阴影
public void SetBits() {
//绘制绘图层背景
Bitmap bitmap = new Bitmap(Main.Width + 10, Main.Height + 10);
Rectangle _BacklightLTRB = new Rectangle(20, 20, 20, 20);//窗体光泽重绘边界
Graphics g = Graphics.FromImage(bitmap);
g.SmoothingMode = SmoothingMode.HighQuality; //高质量
g.PixelOffsetMode = PixelOffsetMode.HighQuality; //高像素偏移质量
ImageDrawRect.DrawRect(g, Properties.Resources.main_light_bkg_top123, ClientRectangle, Rectangle.FromLTRB(_BacklightLTRB.X, _BacklightLTRB.Y, _BacklightLTRB.Width, _BacklightLTRB.Height), 1, 1);
if (!Bitmap.IsCanonicalPixelFormat(bitmap.PixelFormat) || !Bitmap.IsAlphaPixelFormat(bitmap.PixelFormat))
throw new ApplicationException("图片必须是32位带Alhpa通道的图片。");
IntPtr oldBits = IntPtr.Zero;
IntPtr screenDC = Win32.GetDC(IntPtr.Zero);
IntPtr hBitmap = IntPtr.Zero;
IntPtr memDc = Win32.CreateCompatibleDC(screenDC);
try {
Win32.Point topLoc = new Win32.Point(Left, Top);
Win32.Size bitMapSize = new Win32.Size(Width, Height);
Win32.BLENDFUNCTION blendFunc = new Win32.BLENDFUNCTION();
Win32.Point srcLoc = new Win32.Point(0, 0);
hBitmap = bitmap.GetHbitmap(Color.FromArgb(0));
oldBits = Win32.SelectObject(memDc, hBitmap);
blendFunc.BlendOp = Win32.AC_SRC_OVER;
blendFunc.SourceConstantAlpha = Byte.Parse("255");
blendFunc.AlphaFormat = Win32.AC_SRC_ALPHA;
blendFunc.BlendFlags = 0;
Win32.UpdateLayeredWindow(Handle, screenDC, ref topLoc, ref bitMapSize, memDc, ref srcLoc, 0, ref blendFunc, Win32.ULW_ALPHA);
} finally {
if (hBitmap != IntPtr.Zero) {
Win32.SelectObject(memDc, oldBits);
Win32.DeleteObject(hBitmap);
}
Win32.ReleaseDC(IntPtr.Zero, screenDC);
Win32.DeleteDC(memDc);
}
}
【文件预览】：
窗体圆角+四边阴影
----.vs()
--------Irregular()
----Irregular.v12.suo(79KB)
----Irregular()
--------Resources()
--------Program.cs(492B)
--------FrmMain.cs(381B)
--------Properties()
--------Irregular.csproj(4KB)
--------obj()
--------FrmMain.resx(6KB)
--------bin()
--------FrmMain.Designer.cs(2KB)
----SkinForm()
--------SkinMain.cs(6KB)
--------Win32.cs(5KB)
--------Resources()
--------SkinForm.resx(6KB)
--------SkinForm.csproj(4KB)
--------SkinForm.Designer.cs(1KB)
--------SkinMain.Designer.cs(1KB)
--------RoundStyle.cs(1KB)
--------GraphicsPathHelper.cs(6KB)
--------ImageDrawRect.cs(9KB)
--------Properties()
--------SkinMain.resx(6KB)
--------SkinForm.csproj.user(227B)
--------obj()
--------bin()
--------SkinForm.cs(8KB)
----Irregular.suo(50KB)
----Irregular.sln(2KB)