public partial class KonktatSuchen : Form
{
private delegate void MethodDelegate(string p_select);
public KonktatSuchen()
{
InitializeComponent();
}
private void SetdataGridView(string p_select)
{
m_dataGridView1.DataSource = Settings.m_Db.ExecuteQueryReturnDataTable(p_select);
}
private void SetdataGridViewAsynchronous(string p_select)
{
IAsyncResult _ar;
// Asynchroner aufruf initialisieren.
if(this.InvokeRequired)
_ar = this.BeginInvoke(new MethodDelegate(SetdataGridViewAsynchronous), new object[] { p_select });
else
SetdataGridView(p_select);
// Do some useful work here. This would be work you want to have
// run at the same time as the asynchronous call.
// Warten bis wir ein "Fertig" Signal von der Asynchronen Funktion bekommen
//_ar.AsyncWaitHandle.WaitOne();
// Hol das Ergebniss vom Asynchronouen Aufruf.
//dlgt.EndInvoke();
}
private void KonktatSuchen_Shown(object sender, EventArgs e)
{
m_backgroundWorker1.RunWorkerAsync(new object[] { "SELECT * FROM Kontakte" });
}
private void m_backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
//SetdataGridViewAsynchronous(e.Argument.ToString());
m_dataGridView1.DataSource = Settings.m_Db.ExecuteQueryReturnDataTable("SELECT * FROM Kontakte");
}
}