Why this code in WPF does not work ?
private void button1_Click(object sender, EventArgs e) { MessageBox.Show(\"yes\"); } pr
Because PerformClick is a method on WindowsForms Button control:
http://msdn.microsoft.com/en-us/library/system.windows.forms.button.performclick.aspx
Not on the WPF Button control:
http://msdn.microsoft.com/en-us/library/system.windows.controls.button_methods.aspx
To automate a button click, you might like to take a look at the UI automation framework:
http://msdn.microsoft.com/en-us/library/ms747327.aspx