How to catch global mouse click events and suppress it's action ?

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C#

.NET

WinForms

globalization

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Hi,
i want to capture all mouse click event anywhere in the windows [means global mouse events] and suppress its action.
using following code i can suppress the mouse click events in my application's form only not outside of the my app form :

protected override void WndProc(ref Message m)
{
    if (m.Msg == (int)MouseMessages.WM_LBUTTONDOWN || m.Msg == (int)MouseMessages.WM_LBUTTONUP)
        MessageBox.Show("Click event caught!");  //return; --to suppress the mouse click
    else
        base.WndProc(ref m);
}

Please can anyone tell me how can i achieve this?