实例介绍
【实例简介】桌面GUI时钟
【实例截图】
【核心代码】
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.IO;
using Microsoft.Win32;
namespace clock
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
Bitmap b = new Bitmap(global::clock.Properties.Resources.bkg2);
Bitmap h = new Bitmap(global::clock.Properties.Resources.met20002);
Bitmap m = new Bitmap(global::clock.Properties.Resources.met20022);
Bitmap s = new Bitmap(global::clock.Properties.Resources.met20042);
string file;
public static Bitmap Rotate(Bitmap b, int angle)//图片旋转
{
angle =360 - angle % 360;
double radian = angle * Math.PI / 180.0;
double cos = Math.Cos(radian);
double sin = Math.Sin(radian);
Bitmap dsImage = new Bitmap(b.Width, b.Height);
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(dsImage);
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.Bilinear;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
Rectangle rect = new Rectangle(0, 0, b.Width, b.Height);
Point center = new Point(rect.X rect.Width / 2, rect.Y rect.Height / 2);
g.TranslateTransform(center.X, center.Y);
g.RotateTransform(360 - angle);
g.TranslateTransform(-center.X, -center.Y);
g.DrawImage(b, rect);
g.ResetTransform();
g.Dispose();
return dsImage;
}
#region 窗体移动
[DllImport("user32.dll")]
public static extern bool ReleaseCapture();
[DllImport("user32.dll")]
public static extern bool SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam);
public const int WM_SYSCOMMAND = 0x0112;
public const int SC_MOVE = 0xF010;
public const int HTCAPTION = 0x0002;
#endregion
#region 调用UpdateLayeredWindow函数
protected override CreateParams CreateParams
{
get
{
const int WS_MINIMIZEBOX = 0x00020000;
CreateParams cp = base.CreateParams;
cp.Style = cp.Style | WS_MINIMIZEBOX;
cp.ExStyle |= 0x00080000;
return cp;
}
}
public void SetBits(Bitmap bitmap)
{
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(bitmap.Width, bitmap.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 = 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);
}
}
#endregion
private void Form1_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Right) return;
ReleaseCapture();
SendMessage(this.Handle, WM_SYSCOMMAND, SC_MOVE HTCAPTION, 0);//窗体移动
SystemConfig.WriteConfigData("XY", this.Location.X.ToString() "," this.Location.Y.ToString());
}
private void timer1_Tick(object sender, EventArgs e)
{
Bitmap bmp = new Bitmap(b);
Graphics g = Graphics.FromImage(bmp);
g.DrawImage(Rotate(h, DateTime.Now.Hour % 12 * 30 DateTime.Now.Minute / 2),27,25);//时
g.DrawImage(Rotate(m, DateTime.Now.Minute * 6),27,25);//分
g.DrawImage(Rotate(s, DateTime.Now.Second * 6),27,25);//秒针
SetBits(bmp);
g.Dispose();
bmp.Dispose();
GC.Collect();
}
private void 退出ToolStripMenuItem_Click(object sender, EventArgs e)
{
this.Close();
}
private void 绿色ToolStripMenuItem_Click(object sender, EventArgs e)
{
Green();
SystemConfig.WriteConfigData("Color", "Green");
}
public void Green()
{
b = new Bitmap(global::clock.Properties.Resources.bkg);
h = new Bitmap(global::clock.Properties.Resources.met2000);
m = new Bitmap(global::clock.Properties.Resources.met2002);
s = new Bitmap(global::clock.Properties.Resources.met2004);
蓝色ToolStripMenuItem.Checked = false;
金属ToolStripMenuItem.Checked = false;
黄色ToolStripMenuItem.Checked = false;
}
private void 蓝色ToolStripMenuItem_Click(object sender, EventArgs e)
{
Blue();
SystemConfig.WriteConfigData("Color", "Blue");
}
public void Blue()
{
b = new Bitmap(global::clock.Properties.Resources.bkg1);
h = new Bitmap(global::clock.Properties.Resources.met20001);
m = new Bitmap(global::clock.Properties.Resources.met20021);
s = new Bitmap(global::clock.Properties.Resources.met20041);
绿色ToolStripMenuItem.Checked = false;
金属ToolStripMenuItem.Checked = false;
黄色ToolStripMenuItem.Checked = false;
}
private void 金属ToolStripMenuItem_Click(object sender, EventArgs e)
{
Gray();
SystemConfig.WriteConfigData("Color", "Gray");
}
public void Gray()
{
b = new Bitmap(global::clock.Properties.Resources.bkg2);
h = new Bitmap(global::clock.Properties.Resources.met20002);
m = new Bitmap(global::clock.Properties.Resources.met20022);
s = new Bitmap(global::clock.Properties.Resources.met20042);
绿色ToolStripMenuItem.Checked = false;
蓝色ToolStripMenuItem.Checked = false;
黄色ToolStripMenuItem.Checked = false;
}
private void 黄色ToolStripMenuItem_Click(object sender, EventArgs e)
{
Yellow();
SystemConfig.WriteConfigData("Color", "Yellow");
}
public void Yellow()
{
b = new Bitmap(global::clock.Properties.Resources.bkg3);
h = new Bitmap(global::clock.Properties.Resources.met20003);
m = new Bitmap(global::clock.Properties.Resources.met20023);
s = new Bitmap(global::clock.Properties.Resources.met20043);
绿色ToolStripMenuItem.Checked = false;
蓝色ToolStripMenuItem.Checked = false;
金属ToolStripMenuItem.Checked = false;
}
private void Form1_Load(object sender, EventArgs e)
{
string[] xy = SystemConfig.GetConfigData("XY", string.Empty).Split(',');
file = Application.ExecutablePath;
if (File.Exists(@"D:\SystemConfig.xml") == true)
this.Location = new Point(int.Parse(xy[0]), int.Parse(xy[1]));
string a = SystemConfig.GetConfigData("Boot", string.Empty);
if (a == "true") 开机启动ToolStripMenuItem.Checked = true;
else 开机启动ToolStripMenuItem.Checked = false;
string b = SystemConfig.GetConfigData("Mouse", string.Empty);
if (b == "true"){鼠标穿透ToolStripMenuItem.Checked = true;CanPenetrate();}
else 鼠标穿透ToolStripMenuItem.Checked = false;
string c = SystemConfig.GetConfigData("TopMost", string.Empty);
if (c == "true"){this.TopMost = true;置于顶层ToolStripMenuItem.Checked = true;}
else{this.TopMost = false;置于顶层ToolStripMenuItem.Checked = false;}
string d = SystemConfig.GetConfigData("Color", string.Empty);
if (d == "Green"){Green();绿色ToolStripMenuItem.Checked = true;}
else if (d == "Blue"){Blue();蓝色ToolStripMenuItem.Checked = true;}
else if (d == "Gray"){Gray();金属ToolStripMenuItem.Checked = true;}
else{Yellow();黄色ToolStripMenuItem.Checked = true;}
string ee = SystemConfig.GetConfigData("YIN", string.Empty);
if (ee == "true")
{
notifyIcon1.Visible = false;
隐藏图标ToolStripMenuItem.Checked = true;
}
}
private void 开机启动ToolStripMenuItem_Click(object sender, EventArgs e)
{
if (开机启动ToolStripMenuItem.Checked == true)
{
try
{
RegistryKey key1 = Registry.LocalMachine;
RegistryKey key2 = key1.CreateSubKey("software");
RegistryKey key3 = key2.CreateSubKey("microsoft");
RegistryKey key4 = key3.CreateSubKey("windows");
RegistryKey key5 = key4.CreateSubKey("currentversion");
RegistryKey key6 = key5.CreateSubKey("run");
key6.SetValue(file, file);
SystemConfig.WriteConfigData("Boot", "true");
MessageBox.Show("设置成功");
}
catch { MessageBox.Show("设置失败"); }
}
else
{
try
{
RegistryKey key1 = Registry.LocalMachine;
RegistryKey key2 = key1.CreateSubKey("software");
RegistryKey key3 = key2.CreateSubKey("microsoft");
RegistryKey key4 = key3.CreateSubKey("windows");
RegistryKey key5 = key4.CreateSubKey("currentversion");
RegistryKey key6 = key5.CreateSubKey("run");
key6.DeleteValue(file, false);//撤消开机启动
SystemConfig.WriteConfigData("Boot", "false");
MessageBox.Show("取消成功");
}
catch { MessageBox.Show("取消失败"); }
}
}
private void 鼠标穿透ToolStripMenuItem_Click(object sender, EventArgs e)
{
if (鼠标穿透ToolStripMenuItem.Checked == true){CanPenetrate();SystemConfig.WriteConfigData("Mouse", "true");}
else{this.FormBorderStyle = FormBorderStyle.None; SystemConfig.WriteConfigData("Mouse", "false");}
}
public void CanPenetrate()
{
uint intExTemp = Win32.GetWindowLong(this.Handle, Win32.GWL_EXSTYLE);
uint oldGWLEx = Win32.SetWindowLong(this.Handle, Win32.GWL_EXSTYLE, Win32.WS_EX_TRANSPARENT | Win32.WS_EX_LAYERED);
}
private void 置于顶层ToolStripMenuItem_Click(object sender, EventArgs e)
{
if (置于顶层ToolStripMenuItem.Checked == true){this.TopMost = true;SystemConfig.WriteConfigData("TopMost", "true"); }
else { this.TopMost = false;SystemConfig.WriteConfigData("TopMost", "false");}
}
private void 隐藏图标ToolStripMenuItem_Click(object sender, EventArgs e)
{
if (MessageBox.Show("是否隐藏托盘？", "警告", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
notifyIcon1.Visible = false;
SystemConfig.WriteConfigData("YIN", "true");
}
else 隐藏图标ToolStripMenuItem.Checked = false;
}
}
}
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