[Mono-dev] Setting XSetErrorHandler in Cs ?

[Oskar Berggren]

You need to define delegate that matches the signature of the
callback, and pass this down from managed code. The CLR will then do
the necessary marshalling.

Something like this:
http://blogs.msdn.com/b/davidnotario/archive/2006/01/13/512436.aspx

/Oskar


2011/3/23 Quandary <quandary82 at hailmail.net>:
> Question:
>
> I started porting XSendEvent of KeyboardKeys from C to C#.
> I have only one minor question:
>
> Consider the below method ResizeWindow:
> How can I set XSetErrorHandler to a managed code (C#) function ?
> Delegate ?
>
>
> // gcc -o xwinspy xwinspy.c -L/usr/X11R6/lib -lX11
>
> // ERROR HANDLER, GENERIC
> static int ErrorHandler (Display *display, XErrorEvent *error)
> {
>    //printf ("\r\n error! \r\n");
>    return 0;
> }
> // END ERROR HANDLER
>
>
> void ResizeWindow(char* szWindow, unsigned int width, unsigned int height)
> {
>     Display *display = XOpenDisplay (NULL);
>
>     XSetErrorHandler(ErrorHandler);
>
>     Window wdThisWindow = FindWindow(szWindow);
>
>     char* win_name;
>     if (XFetchName(display, wdThisWindow, &win_name))
>     {
>         printf("Moving: %s\n", win_name);
>     }
>
>     XResizeWindow(display, wdThisWindow, width, height);
>
>     XCloseDisplay (display);
> }
>
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