注:這是電子屏(觸屏)的鍵盤,普通PC沒有這種鍵盤的;
以下是調用代碼:
private const Int32 WM_SYSCOMMAND = 274;
private const UInt32 SC_CLOSE = 61536;
[DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
private static extern bool PostMessage(IntPtr hWnd, int Msg, int wParam, int lParam);
[DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
private static extern bool PostMessage(IntPtr hWnd, int Msg, uint wParam, uint lParam);
[DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
private static extern bool PostMessage(IntPtr hWnd, uint Msg, IntPtr wParam, IntPtr lParam);
[DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
private static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
private static extern int RegisterWindowMessage(string lpString);
//顯示屏幕鍵盤
public static int ShowInputPanel()
{
try
{
dynamic file = "C:\\Program Files\\Common Files\\microsoft shared\\ink\\TabTip.exe";
if (!System.IO.File.Exists(file))
return -1;
Process.Start(file);
//return SetUnDock(); //不知SetUnDock()是什么,所以直接注釋返回1
return 1;
}
catch (Exception)
{
return 255;
}
}
//隱藏屏幕鍵盤
public static void HideInputPanel(){
IntPtr TouchhWnd = new IntPtr(0);
TouchhWnd = FindWindow("IPTip_Main_Window", null);
if (TouchhWnd == IntPtr.Zero)
return;
PostMessage(TouchhWnd, WM_SYSCOMMAND, SC_CLOSE, 0);
}
Windows系統還有一個OSK的虛擬鍵盤,這個是浮動的,和自動彈出的鍵盤有點區別,需要的話也可以直接調用。
Process.Start(@"C:\windows\system32\osk.exe");
