2016-10-24
使用 Visual Studio 2015 with Update 3
Form1.cs 內容
using System; using System.Drawing; using System.Runtime.InteropServices; using System.Windows.Forms; namespace MouseGetPosition { public partial class Form1 : Form { [DllImport("gdi32")] private static extern int GetPixel(IntPtr hdc, int x, int y); [DllImport("User32")] private static extern IntPtr GetWindowDC(IntPtr hwnd); public Form1() { InitializeComponent(); //p1 = new Point(0, 0); //p2 = (Point)this.ClientSize; } private void Form1_MouseMove(object sender, MouseEventArgs e) { label2.Text = "Move : " + System.Windows.Forms.Cursor.Position.X + ", " + System.Windows.Forms.Cursor.Position.Y; } public static System.Drawing.Color GetPixelAtCursor() { System.Drawing.Point p = Cursor.Position; return System.Drawing.Color.FromArgb(GetPixel(GetWindowDC(IntPtr.Zero), p.X, p.Y)); } private void Form1_MouseClick(object sender, MouseEventArgs e) { label1.Text = "Click : " + System.Windows.Forms.Cursor.Position.X + ", " + System.Windows.Forms.Cursor.Position.Y; string colorString = GetPixelAtCursor().ToString(); Color backX = GetPixelAtCursor(); label3.Text = colorString; } private void Form1_Load(object sender, EventArgs e) { } private void Form1_Paint(object sender, PaintEventArgs e) { } } } |
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