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CWindow::SendMessage

Sends a message to the window and does not return until the window procedure has processed the message.

LRESULT SendMessage( 
   UINT message, 
   WPARAM wParam = 0, 
   LPARAM lParam = 0  
) throw(); 
static LRESULT SendMessage( 
   HWND hWnd, 
   UINT message, 
   WPARAM wParam, 
   LPARAM lParam  
) throw();

Remarks

See SendMessage in the Windows SDK.

Example

// The following example attaches a HWND to the CWindow 
// object and sends a WM_PAINT message to the window 
// wrapped by CWindow object using CWindow::SendMessage.

CWindow myWindow;
myWindow.Attach(hWnd);   
myWindow.SendMessage(WM_PAINT, 0L, 0L);

Requirements

Header: atlwin.h

See Also

Reference

CWindow Class

CWindow::PostMessage

CWindow::SendNotifyMessage

CWindow::SendMessageToDescendants