（1）引用

using System.Runtime.InteropServices;

(2)調(diào)用方法

1、獲取窗口標題

[DllImport( "user32.dll" )]　　
public static extern int GetWindowText( IntPtr hWnd, StringBuilder lpString,int nMaxCount );

注：hWnd 窗口句柄 lpString 窗口標題 nMaxCount 最大值

2、獲取類名

[DllImport( "user32.dll" )]　　
public static extern int GetClassName( IntPtr hWnd, StringBuilder lpString,int nMaxCount );

注：hWnd 句柄 lpString 類名 nMaxCount 最大值

3、根據(jù)坐標獲取窗口句柄

[DllImport( "user32.dll" )]　　
public static extern IntPtr WindowFromPoint(Point point);

注：point 坐標

二、顯示數(shù)據(jù)

(1) 獲取鼠標坐標

int x = Cursor.Position.X;
int y = Cursor.Position.Y;
this.textBox4.Text = string.Format( "({0},{1})" , x, y);

(2) 獲取句柄

Point p = new Point(x,y);
IntPtr formHandle = WindowFromPoint(p);
this.textBox1.Text = formHandle.ToString();

(3) 得到窗口標題

GetWindowText(formHandle,title,title.Capacity);
this.textBox2.Text = title.ToString();

(4)得到窗體的類名

StringBuilder cllassName = new StringBuilder();
GetClassName(formHandle,cllassName,cllassName.Capacity);
this.textBox3.Text = cllassName.ToString();

(5)Load事件

this.timer1.Enabled = !this.timer1.Enabled;

注：動態(tài)顯示信息

轉(zhuǎn)載于:https://www.cnblogs.com/edangame/p/7637543.html

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