C#

shai sherman wrote:

mail.Attachments.Add(new Attachment(@"c:\1.zip",MediaTypeNames.Application.Zip));

If the time zone represented by the TimeZoneInfo object does not support daylight saving time, the method always returns false.

[
    System.Runtime.InteropServices.DllImportAttribute
    (
        "User32"
    ,
        SetLastError=true
    ,
        EntryPoint="FindWindow"
    )
]
private static extern System.IntPtr
API_FindWindow
(
    string lpClassName
,
    string lpWindowName
) ;

public static System.IntPtr
FindWindow
(
    string WindowName
)
{
    return ( API_FindWindow
    (
        null
    ,
        WindowName
    ) ) ;
}

<br />
private void button1_Click(object sender, EventArgs e)<br />
        {<br />
            textBox1.Focus();<br />
            SendKeys.Send("E");<br />
            SendKeys.Send("^(ESC)");<br />
            <br />
        }<br />

using System.Runtime.InteropServices;

[DllImport("user32.dll")]
static extern void keybd_event(byte bVk, byte bScan, uint dwFlags,
UIntPtr dwExtraInfo);

 private void btnInvokeStartButton_Click(object sender, EventArgs e)
 {
     const int VK_CONTROL = 17;
     const int VK_ESCAPE  = 27;
     const int VK_LWIN = 91;
     const int VK_RWIN = 92;

     const uint KEYEVENTF_KEYDOWN = 0;
     const uint KEYEVENTF_KEYUP = 2;

//if you just want to invoke Start button use this code

     //    Press the Windows Key
     keybd_event(VK_LWIN, 0, KEYEVENTF_KEYDOWN, (UIntPtr)0);
     // Release the Windows key
     keybd_event(VK_LWIN, 0, KEYEVENTF_KEYUP, (UIntPtr)0);

//if you want to use Ctrl and Esc keys to invoke Start button use

     ////   Press the Ctrl-Esc key
     //keybd_event(VK_CONTROL, 0, KEYEVENTF_KEYDOWN, (UIntPtr)0);
     //keybd_event(VK_ESCAPE, 0, KEYEVENTF_KEYDOWN, (UIntPtr)0);
     //// Release the Ctrl-Esc key
     //keybd_event(VK_CONTROL, 0, KEYEVENTF_KEYUP, (UIntPtr)0);
     //keybd_event(VK_ESCAPE, 0, KEYEVENTF_KEYUP, (UIntPtr)0);

 }