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This function provides an easy way to empty a GtkWindow/GtkContainer. I use it when i need to refresh a part of my app by replacing some widgets with others. It can destroy or preserve the child widgets depending on your needs.

This examples shows how to discover on your own what the methods for a given widget are, from the actual current implementation, instead of relying on documentation. You can obviously use it to examine other classes, but this sample code shows the methods of classes Gtk and GtkWindow.

In addition, this example shows how to line up vertically by the top the contents of panes in a GtkHBox, just like vertical-align does in CSS. In this example, we use it to align the two lists because they are of very different lengths.

These examples show how to empty instances of classes derived from GtkContainer.