private BUTTON_SPLITINFO GetSplitInfo()
{
var info = new BUTTON_SPLITINFO();
SendMessage(new HandleRef(this, Handle), ButtonMessage.BCM_GETSPLITINFO, 0, ref info);
return(info);
}
public static extern IntPtr SendMessage(HWND hWnd, ButtonMessage Msg, int wParam, ref BUTTON_SPLITINFO splitInfo);
/// <summary> /// Sends the specified message to a window or windows. The SendMessage function calls the window procedure for the specified window and does not return /// until the window procedure has processed the message. /// </summary> /// <param name="hWnd"> /// A handle to the window whose window procedure will receive the message. If this parameter is HWND_BROADCAST ((HWND)0xffff), the message is sent to /// all top-level windows in the system, including disabled or invisible unowned windows, overlapped windows, and pop-up windows; but the message is not /// sent to child windows. /// </param> /// <param name="Msg">The message to be sent.</param> /// <param name="wParam">Additional message-specific information.</param> /// <param name="splitInfo">Additional message-specific information.</param> /// <returns>The return value specifies the result of the message processing; it depends on the message sent.</returns> public static IntPtr SendMessage(HandleRef hWnd, ButtonMessage Msg, int wParam, ref BUTTON_SPLITINFO splitInfo) => User32_Gdi.SendMessage(hWnd, Msg, wParam, ref splitInfo);
private void SetSplitInfo(BUTTON_SPLITINFO info)
{
SendMessage(new HandleRef(this, Handle), ButtonMessage.BCM_SETSPLITINFO, 0, ref info);
Refresh();
}
