dlg_is_valid()

Checks if a dialog handle is valid.

dlg_is_valid(handle)

• The number of active dialogs if the handle is valid.
• `0` if the handle is invalid.

Check if a dialog handle is valid

dlg_is_valid("dialog_123");  // returns >0 if valid, 0 if invalid

dlg_new
dlg_init
dlg_update
dlg_clear

dlg_show
dlg_abort

dlg_is_valid
dlg_keep_open
dlg_callback

dlg_modal
dlg_set_resizable
dlg_set_pos
dlg_set_size
dlg_set_btn
dlg_set_name
dlg_set_color