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c#windows-cesendkeys

how to send key from my program to external program - winCE


how i can send key from my C# program to external program ?

ex: i send "G" to external program that has textbox

how to do it ? in C# (winCE)

thank's in advance


Solution

  • Check this code: From MSDN

    // Get a handle to an application window.
    [DllImport("USER32.DLL", CharSet = CharSet.Unicode)]
    public static extern IntPtr FindWindow(string lpClassName,
        string lpWindowName);
    
    // Activate an application window.
    [DllImport("USER32.DLL")]
    public static extern bool SetForegroundWindow(IntPtr hWnd);
    
    // Send a series of key presses to the Calculator application.
    private void button1_Click(object sender, EventArgs e)
    {
        // Get a handle to the Calculator application. The window class
        // and window name were obtained using the Spy++ tool.
        IntPtr calculatorHandle = FindWindow("SciCalc", "Calculator");
    
        // Verify that Calculator is a running process.
        if (calculatorHandle == IntPtr.Zero)
        {
            MessageBox.Show("Calculator is not running.");
            return;
        }
    
        // Make Calculator the foreground application and send it 
        // a set of calculations.
        SetForegroundWindow(calculatorHandle);
        SendKeys.SendWait("111");
        SendKeys.SendWait("*");
        SendKeys.SendWait("11");
        SendKeys.SendWait("=");
    }