收集自網絡，方便自己，方便他人
1 #region 隱藏系統滾動條
2 protected override void WndProc(ref System.Windows.Forms.Message m)
3 {
4 ShowScrollBar(this.Handle, 3, false);//0:horizontal,1:vertical,3:both
5 base.WndProc(ref m);
6 }
7
8 [DllImport("user32.dll")]
9 [return: MarshalAs(UnmanagedType.Bool)]
10 private static extern bool ShowScrollBar(IntPtr hWnd, int wBar, bool bShow);
11 #endregion
1 #region 得到光標在屏幕上的位置
2 [DllImport("user32")]
3 public static extern bool GetCaretPos(out Point lpPoint);
4 [DllImport("user32.dll")]
5 private static extern IntPtr GetForegroundWindow();
6 [DllImport("user32.dll")]
7 private static extern IntPtr GetFocus();
8 [DllImport("user32.dll")]
9 private static extern IntPtr AttachThreadInput(IntPtr idAttach, IntPtr idAttachTo, int fAttach);
10 [DllImport("user32.dll")]
11 private static extern IntPtr GetWindowThreadProcessId(IntPtr hWnd, IntPtr ProcessId);
12 [DllImport("kernel32.dll")]
13 private static extern IntPtr GetCurrentThreadId();
14 [DllImport("user32.dll")]
15 private static extern void ClientToScreen(IntPtr hWnd, ref Point p);
16
17 private Point CaretPos()
18 {
19 IntPtr ptr = GetForegroundWindow();
20 Point p = new Point();
21
22 //得到Caret在屏幕上的位置
23 if (ptr.ToInt32() != 0)
24 {
25 IntPtr targetThreadID = GetWindowThreadProcessId(ptr, IntPtr.Zero);
26 IntPtr localThreadID = GetCurrentThreadId();
27
28 if (localThreadID != targetThreadID)
29 {
30 AttachThreadInput(localThreadID, targetThreadID, 1);
31 ptr = GetFocus();
32 if (ptr.ToInt32() != 0)
33 {
34 GetCaretPos(out p);
35 ClientToScreen(ptr, ref p);
36 }
37 AttachThreadInput(localThreadID, targetThreadID, 0);
38 }
39 }
40 return p;
41 }
42 #endregion
