Why can't I update the content of GtkLabel

[enjoy70 163 net]

Hi,

In function processwindow() I created the GtkLabel label and it's parent window, and set it's content like 
"Now let's begin"
In another function do(), I use:
    gtk_label_set(GTK_LABEL(label), "Please wait...");
    gtk_widget_draw(label, NULL);
    ......
to make label changed by the program process.

But the label hasn't been updated until function do() returned, and only the last content was displayed.

Thanks,
Sarah




 
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