运行GTK +应用程序时出现X错误

Question

我编写了一个GTK +应用程序，但运行时出现以下X Window错误：

    The program 'TestApp' received an X Window System error.
    This probably reflects a bug in the program.
    The error was 'BadMatch (invalid parameter attributes)'.
      (Details: serial 222 error_code 8 request_code 2 minor_code 0)
      (Note to programmers: normally, X errors are reported asynchronously;
       that is, you will receive the error a while after causing it.
       To debug your program, run it with the --sync command line
       option to change this behavior. You can then get a meaningful
       backtrace from your debugger if you break on the gdk_x_error() function.)

导致此错误的原因是什么？我在C中写过这个应用程序。

Answer 1

我会尝试按照它的建议：使用--sync cmd选项运行应用程序并在调试器中启动它，这样您就可以看到哪一行导致错误。