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current-dialog-handle Function

Summary

Returns the underlying handle of the current dialog.

Package

capi

Signature

current-dialog-handle => handle

Values
handle
A platform-specific value, or nil.
Description

The function current-dialog-handle returns the underlying handle of the current dialog, as follows:

Microsoft Windows

The hwnd of the dialog.

GTK+
A pointer to the GdkWindow.
Motif
A windowid of the dialog.
Cocoa
The value returned by the NSWindow's windowNumber method.

This value is useful if you want to perform some operation on the underlying handle that the CAPI does not supply.

If there is no current dialog, current-dialog-handle returns nil.

Examples

Press on "Get handle" to see the handle of the dialog.

(capi:popup-confirmer
 (make-instance 
  'capi:push-button
  :text "Get handle"
  :callback-type :none
  :selection-callback 
  #'(lambda ()
      (capi:display-message
       (format nil "current-dialog-handle ~a~%"
               (capi:current-dialog-handle)))))
 nil
 :title "A dialog")
See also

simple-pane-handle
18.7 Handles


CAPI User Guide and Reference Manual (Unix version) - 01 Dec 2021 19:32:42