通过

CWnd::SendDlgItemMessage

  • 项目

Sends a message to a control.

LRESULT SendDlgItemMessage( 
   int nID, 
   UINT message, 
   WPARAM wParam = 0, 
   LPARAM lParam = 0  
);

Parameters

  • nID
    Specifies the identifier of the dialog control that will receive the message.

  • message
    Specifies the message to be sent.

  • wParam
    Specifies additional message-dependent information.

  • lParam
    Specifies additional message-dependent information.

Return Value

Specifies the value returned by the control's window procedure, or 0 if the control was not found.

Remarks

The SendDlgItemMessage member function does not return until the message has been processed.

Using SendDlgItemMessage is identical to obtaining a CWnd* to the given control and calling the SendMessage member function.

Example

void CMyDlg::SetSpinRange()
{
   //set the min and max range of the up/down or spin control
   SendDlgItemMessage(IDC_SPIN1, UDM_SETRANGE, 0, (LPARAM) MAKELONG (8, 1));
}

Requirements

Header: afxwin.h

See Also

Reference

CWnd Class

Hierarchy Chart

CWnd::SendMessage

SendDlgItemMessage