C# Signature:
[DllImport("User32.dll", EntryPoint="SendMessageW")]
static extern int SendMessageString(IntPtr hwnd, int wMsg, int wparam, int lparam);
VB Signature:
Declare Function SendMessage Lib "User32.dll" (ByVal hWnd As IntPtr, ByVal Msg As Integer, ByVal wParam As Integer, ByVal lParam As Integer) As IntPtr
Notes:
If you are searching for a way to send keys to an application, you can use System.Windows.Forms.SendKeys.Send(keys) after bringing the window to the top via the SetForegroundWindow API.
Tips & Tricks:
Sample Code:
[DllImport("User32.dll", EntryPoint="SendMessageW")]
static extern int SendMessage(IntPtr hwnd, int wMsg, int wparam, int lparam);
const int WM_CLOSE = 16;
private void button1_Click(object sender, System.EventArgs e)
{
SendMessage(this.Handle, WM_CLOSE, 0, 0);
}
Alternative Managed API:
Do you know one? Please contribute it!
