c# - WndProc no suitable method found to override -


i creating custom user control , trying call wndproc in control. but, gives me error wndproc: no suitable method found override. 

public partial class mycontrol : usercontrol, icloneable, icomparable<mycontrol> {     [system.security.permissions.permissionset(system.security.permissions.securityaction.demand, name = "fulltrust")]     protected override intptr wndproc(system.windows.forms.message m)     {         codes     } }

how override method in usercontrol? related partial modifier?

the signature is:

protected virtual void wndproc(ref message m)

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