Geany設定gtk2

#include <gtk/gtk.h>

int main(int argc, char *argv[]) {
    GtkWidget *window;

    gtk_init(&argc, &argv);
    window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    gtk_window_set_title(GTK_WINDOW(window), "哈囉！GTK+！");
    gtk_widget_show(window);
    gtk_main();

    return 0;
}

檔名存成.c
建立>set build commands >

編譯gcc  %f -o %e `pkg-config --cflags --libs gtk+-2.0`