C# Winform 实现换肤,并自定义皮肤功能
具体实现原理详见 SkinHelp.cs类,实现了对原有控件的重绘,详见源码
public abstract class SkinHelp
{
private static SkinColor _currentSkinColor = SkinColor.Default;
private static BackgroundStripe _currentStripe = BackgroundStripe.Default;
private static Assembly _assemblyWinUI = null;
private static Bitmap drawButton = null;
private static Bitmap scrollbarButton = null;
private static Color defalutborder = ControlBorderBackColor;
private static Color defaultGridviewUpColor = Color.YellowGreen;
private static Color defaultcontextMenuColor;
public static Color DefaultcontextMenuColor
{
get
{
Bitmap bitmap = new Bitmap(bxyztSkin.Properties.Resources.borderbm);
return bitmap.GetPixel(1, 3);
}
}
public static Color DefaultGridviewUpColor
{
get { return SkinHelp.defaultGridviewUpColor; }
set { SkinHelp.defaultGridviewUpColor = value; }
}
public static Color Defalutborder
{
get { return SkinHelp.defalutborder; }
set { SkinHelp.defalutborder = value; }
}
public static Assembly AssemblyWinUI
{
get
{
if (_assemblyWinUI == null)
{
_assemblyWinUI = Assembly.Load("bxyztSkin");
}
return _assemblyWinUI;
}
}
public static SkinColor CurrentSkinColor
{
get { return _currentSkinColor; }
set { _currentSkinColor = value; }
}
public static BackgroundStripe CurrentBackgroundStripe
{
get { return _currentStripe; }
set { _currentStripe = value; }
}
public static Color ControlBorderBackColor
{
get
{
Bitmap bitmap = new Bitmap(bxyztSkin.Properties.Resources.borderbm);
return bitmap.GetPixel(1, 3);
}
}
public static Color FontColor
{
get { return Color.FromArgb(22, 61, 101); }
}
public static Bitmap ScrollBarButton
{
get
{
if (scrollbarButton == null)
{
scrollbarButton = new Bitmap(bxyztSkin.Properties.Resources.scroll);
}
return scrollbarButton;
}
}
public static Image ScrollBarUpButton
{
get { return ScrollBarButton.Clone(new Rectangle(0, 0, 16, 16), System.Drawing.Imaging.PixelFormat.Format32bppPArgb); }
}
public static Bitmap DrawButton
{
get
{
if (drawButton == null)
{
drawButton = new Bitmap(bxyztSkin.Properties.Resources.arrow);
}
return drawButton;
}
}
public static Image NomalDrawButton
{
get { return DrawButton.Clone(new Rectangle(0, 0, 16, 16), System.Drawing.Imaging.PixelFormat.Format32bppPArgb); }
}
public static Image MouseDownDrawButton
{
get { return DrawButton.Clone(new Rectangle(16, 0, 16, 16), System.Drawing.Imaging.PixelFormat.Format32bppPArgb); }
}
public static Image MouseMoveDrawButton
{
get { return DrawButton.Clone(new Rectangle(32, 0, 16, 16), System.Drawing.Imaging.PixelFormat.Format32bppPArgb); }
}
public static Image NotEnableDrawButton
{
get { return DrawButton.Clone(new Rectangle(48, 0, 16, 16), System.Drawing.Imaging.PixelFormat.Format32bppPArgb); }
}
#region ChangeSkinColor
#endregion
#region FlushMemory
public static void GarbageCollect()
{
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
}
public static void FlushMemory()
{
GarbageCollect();
if (Environment.OSVersion.Platform == PlatformID.Win32NT)
{
Win32.SetProcessWorkingSetSize(System.Diagnostics.Process.GetCurrentProcess().Handle, -1, -1);
}
}
#endregion
#region Suspend / Resume Redraw
internal static void SuspendRedraw(Control control)
{
if (!control.IsHandleCreated) return;
IntPtr hWnd = control.Handle;
IntPtr eventMask = IntPtr.Zero;
// Stop redrawing:
Win32.SendMessage(hWnd, Win32.WM_SETREDRAW, 0, 0);
// Stop sending of events:
Win32.SendMessage(hWnd, Win32.EM_GETEVENTMASK, 0, 0);
}
internal static void ResumeRedraw(Control control)
{
if (!control.IsHandleCreated) return;
IntPtr hWnd = control.Handle;
IntPtr eventMask = IntPtr.Zero;
// turn on events
Win32.SendMessage(hWnd, Win32.EM_SETEVENTMASK, 0, eventMask.ToInt32());
// turn on redrawing
Win32.SendMessage(hWnd, Win32.WM_SETREDRAW, 1, 0);
control.Invalidate(true);
}
internal static void LockWindowUpdate(Form form, bool lockUpdate)
{
if (lockUpdate)
{
Win32.LockWindowUpdate(form.Handle);
}
else
{
Win32.LockWindowUpdate(IntPtr.Zero);
form.Invalidate(true);
form.Update();
}
}
#endregion
/// <summary>
/// 修改控件或窗体的边框,例如Textbox或是Form窗体
/// </summary>
/// <param name="m">消息</param>
/// <param name="control">控件对象</param>
/// <param name="Nwidth">边框像素</param>
/// <param name="objcolor">边框颜色</param>
internal static void ResetBorderColor(Message m, Control control, int Nwidth, Color objcolor)
{
//根据颜色和边框像素取得一条线
System.Drawing.Pen pen = pen = new Pen(objcolor, Nwidth);
//得到当前的句柄
IntPtr hDC = Win32.GetWindowDC(m.HWnd);
if (hDC.ToInt32() == 0)
{
return;
}
if (pen != null)
{
//绘制边框
System.Drawing.Graphics g = Graphics.FromHdc(hDC);
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
g.DrawRectangle(pen, 0, 0, control.Width - Nwidth, control.Height - Nwidth);
pen.Dispose();
}
//释放
Win32.ReleaseDC(m.HWnd, hDC);
}
}
public enum SkinColor
{
Default,
草莓,
橘子,
青草,
灰蓝,
紫罗兰,
巧克力,
OFFICE,
Undefault
}
public enum BackgroundStripe
{
Default,
淡淡墨绿,
芙蓉轻粉,
荷叶嫩绿,
橘黄雪花,
清雅幽兰,
空灵淡蓝,
柔和雅灰,
腊梅飘香
}
此