Function windows_win::raw::window::send_message

source · 
pub fn send_message(
    window: HWND,
    msg_type: UINT,
    w_param: WPARAM,
    l_param: LPARAM,
    timeout: Option<UINT>
) -> Result<LRESULT>
Expand description

Sends message to a window.

Note

All messages that this function sends are blocking.

You can specify timeout for how long to block.

Parameters

  • window - Handle to the window for which to send.
  • msg_type - Type of message. See WinAPI docs.
  • wParam - Additional message specific parameter.
  • lParam - Additional message specific parameter.
  • timeout - Optional timeout in milliseconds.

Return

  • Ok - Message has been sent successfully.
  • Err - Error reason. Relevant only to message with timeout.