基本信息
源码名称:C#版本的取色器
源码大小:0.04M
文件格式:.zip
开发语言:C#
更新时间:2013-01-15
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源码介绍
C#开发的取色器
public partial class Form1 : Form { public Form1() { InitializeComponent(); } [DllImport("gdi32.dll")] static public extern uint GetPixel(IntPtr hDC, int XPos, int YPos); [DllImport("gdi32.dll")] static public extern IntPtr CreateDC(string driverName, string deviceName, string output, IntPtr lpinitData); [DllImport("gdi32.dll")] static public extern bool DeleteDC(IntPtr DC); static public byte GetRValue(uint color) { return (byte)color; } static public byte GetGValue(uint color) { return ((byte)(((short)(color)) >> 8)); } static public byte GetBValue(uint color) { return ((byte)((color) >> 16)); } static public byte GetAValue(uint color) { return ((byte)((color) >> 24)); } public Color GetColor(Point screenPoint) { IntPtr displayDC = CreateDC("DISPLAY", null, null, IntPtr.Zero); uint colorref = GetPixel(displayDC, screenPoint.X, screenPoint.Y); DeleteDC(displayDC); byte Red = GetRValue(colorref); byte Green = GetGValue(colorref); byte Blue = GetBValue(colorref); return Color.FromArgb(Red, Green, Blue); } private void Form1_Load(object sender, EventArgs e) { } private void timer1_Tick(object sender, EventArgs e) { Point pt = new Point(Control.MousePosition.X, Control.MousePosition.Y); Color cl = GetColor(pt); panel1.BackColor = cl; } }