How can I bring my application window to the front?

Use Control.BringToFront:

myForm.BringToFront();

While I agree with everyone, this is no-nice behavior, here is code:

[DllImport("User32.dll")]
public static extern Int32 SetForegroundWindow(int hWnd);   


SetForegroundWindow(Handle.ToInt32());

Update

David is completely right, for completeness I include the list of conditions that must apply for this to work (+1 for David!):

The process is the foreground process.
The process was started by the foreground process.
The process received the last input event.
There is no foreground process.
The foreground process is being debugged.
The foreground is not locked (see LockSetForegroundWindow).
The foreground lock time-out has expired (see SPI_GETFOREGROUNDLOCKTIMEOUT in SystemParametersInfo).
No menus are active.

Use Form.Activate() or Form.Focus() methods.

Here is a piece of code that worked for me

this.WindowState = FormWindowState.Minimized;
this.Show();
this.WindowState = FormWindowState.Normal;

It always brings the desired window to the front of all the others.

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