C#句柄的操作（鼠标移动、键盘点击、复制粘贴）

--模拟键盘点击--
[DllImport("user32.dll",EntryPoint = "keybd_event",SetLastError = true)]
public static extern void keybd_event(Keys bVk,byte bScan,uint dwFlags,uint dwExtraInfo);
public static void CtrlAAndCtrlC()
{
	Keybd_event(Keys.ControlKey,0,0,0);
	keybd_event(Keys.A,0,0,0);
	keybd_event(Keys.C,0,0,0);
	keybd_event(Keys.ControlKey,0,KEYEVENTF_KEYUP);
}

--鼠标移动到固定位置--
[DllImport("user32.dll")]
public static extern int SetCursorPos(int x, int y);

--鼠标点击--
[DllImport("user32.dll",EntryPoint = "PostMessage",CallingConvention = CallingConvention.Winapi)]
public static extern int PostMessage(IntPtr hwnd, int msg, uint wParam, uint IParm);

--最大最小关闭窗口--
[DllImport("user32.dll",CharSet = CharSet.Auto, ExactSpelling = true)]
public static extern int ShowWindow(IntPtr hwnd, int nCmdShow);

--将窗口显示到最前端--
[DllImport("user32.dll",EntryPoint = "EnumChildWindows")]
public static extern int EnumChildWindows(IntPtr hwndParent, CallBack callBack, int IParm);
public delegate bool CallBack(IntPtr hwnd, int IParam);

--获取窗体文本--
[DllImport("user32.dll",EntryPoint = "GetWindowText")]
public static extern int GetWindowText(IntPtr hwnd, StringBuilder text, int maxLength);

--获取窗体Class文本--
[DllImport("user32.dll",EntryPoint = "GetClassText")]
public static extern int GetClassText(IntPtr hwnd, StringBuilder text, int maxLength);

----
[DllImport("user32.dll",EntryPoint = "GetWindowLong")]
public static extern int GetWindowLong(IntPtr hwnd, int nIndex);

--设置文本--
[DllImport("user32.dll",EntryPoint = "SendMessage")]
public static extern int SendMessage(IntPtr hwnd, int msg, int wParam, StringBuilder IParam);

--设置文本--
[DllImport("user32.dll",EntryPoint = "SetWindowText")]
public static extern int SetWindowText(IntPtr hwnd, string text);

--设置键盘点击--
[DllImport("user32.dll",EntryPoint = "PostMessageA", SetLastError = true)]
public static extern int PostMessageA(IntPtr hwnd, int msg, Keys wParm, uint IParm);

--导出进程--
[DllImport("user32.dll",EntryPoint = "FindWindow")]
public static extern IntPtr FindWindow(string lpClassName, string lpWindowName);

--让窗口置于所有页面最前端--
[DllImport("user32.dll",CharSet.Auto)]
public static extern bool SwitchToThisWindow(IntPtr hwnd, bool fAltTab);

--鼠标运动到位置并点击--
[DllImport("user32.dll")]
public static extern int mouse_event(int dwFlags, int dx, int dy, int cButtons, int dwExtraInfo);

--模拟鼠标点击抬起--
public static void MouserDownAndUp(IntPtr hwnd, ushort x, ushort y)
{
	PostMessage(hwnd, WM_Lbutton, 0 (((uint)x) << 16 | y)));
	PostMessage(hwnd, WM_LBUTTONUP, 0 (((uint)x) << 16 | y)));
}

public const int WM_Lbutton = 0x0201;//鼠标左键按下
public const int WM_LBUTTONUP = 0x0202;//鼠标左键抬起
public const int WM_SETTEXT = 0x000C;//设置文本

--获取所有进程列表--
public static List<WindowInfo> GetChildWindows(IntPtr hwnd)
{
	var list = new List<WindowInfo>();
	StringBuilder sb = new StringBuilder(4048);
	car idx = 0;
	EnumChildWindows(hwnd, (IntPtr childHwnd, int IParam) => 
	{
		WindowInfo wi = new WindowInfo()
		{
			Hwnd = childHwnd,
			Idx = idx++,	
		};
		GetWindowText(childHwnd, sb, sb.Capacity);
		wi.WindowName = sb.ToString();
		GetClassName(childHwnd, sb, sb.Capacity);
		wi.ClassName = sb.ToString();
		wi.GWL_EXSTYLE = GetWindowLong(childHwnd,GWL_EXSTYLE).ToString();
		wi.GWL_HINSTANCE = GetWindowLong(childHwnd,GWL_HINSTANCE).ToString();
		wi.GWL_ID = GetWindowLong(childHwnd,GWL_ID).ToString();
		wi.GWL_STYLE = GetWindowLong(childHwnd,GWL_STYLE).ToString();
		list.Add(wi);
		return true;
		},0);
		return list;
}

public class WindowInfo
{
	public WindowInfo()
	{
		
	}
	public int Idx { get;set; };
	public IntPtr Hwnd { get;set; };
	public string WindowName { get;set; };
	public string ClassName { get;set; };
	public string GWL_EXSTYLE { get;set; };
	public string GWL_HINSTANCE { get;set; };
	public string GWL_ID { get;set; };
	public string GWL_STYLE h{ get;set; };
}


--复制剪贴板文本--
--必须开启线程，否则当程序多线程时候会复制不到文本--
[STAThread]
public static string GetCopyData()
{
	var copy = "";
	Thread thread = new Thread(
	delegate()
	{
		try
		{
			copy = Clipboard.GetText();
		}
		catch(Exception ex)
		{
			copy = ex.Tostring();
		}
	});
	thread.SetApartmentState(ApartmentState.STA);
	thread.Start();
	thread.Join();
	return copy;
}
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142