Custom Server API References > Mercury.QTP.WPF.CustomServer Namespace > IRecord Interface > IRecord Interface Methods > OnMessage Method
Handles Windows messages.

Remarks

This method is called during a recording session for any Windows message sent to the control or to one of its children for which the IsKnownPartOf method returns true.

Syntax

Visual Basic (Declaration) 
Overridable Sub OnMessage( _
   ByVal src As DependencyObject, _
   ByVal msg As Integer, _
   ByVal wParam As Integer, _
   ByVal lParam As Integer _
) 
C# 
virtual void OnMessage( 
   DependencyObject src,
   int msg,
   int wParam,
   int lParam
)

Parameters

src
The control to which the Windows message is targeted. This can be either the control that is served by this custom server, one of its children.
msg
The integer value of the Windows message sent. For example, WM_LBUTTONDOWN is 0x0201.
wParam
The wParam parameter passed with the Windows message.
lParam
The lParam parameter passed with the Windows message.

See Also