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GUICtrlCreateDummy() ???

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Ok folks...maybe this is a stupid question, but as AutoIt is my first Programming Language, and i have been using it for quite some time, i have never used ""GUICtrlCreateDummy()""

What is the actual purpose of this function? I mean, can it help a guy in some way?


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I have come across a number of occasions when a Dummy control was useful: :unsure:

- 1. When using an Accelerator key without a corresponding control. You need a control to link to the Accelerator key, so if you do not have one (or do not want to use an existing one) you can use a Dummy.

- 2. To fire a function from within a Windows message handler. You should return from a handler ASAP - by using GUICtrlSendToDummy you can exit quickly and get the Dummy control to fire with a specific value depending on the result.

- 3. It is often useful to know the range of ControlIDs used by ListViewItems where you do not need to use variables to store each one. A Dummy control before and after the creation of the ListViewItems will do this for you.

And there are doubtless many more.... :>


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ArrayMultiColSort ---- Sort arrays on multiple columns
ChooseFileFolder ---- Single and multiple selections from specified path treeview listing
Date_Time_Convert -- Easily convert date/time formats, including the language used
ExtMsgBox --------- A highly customisable replacement for MsgBox
GUIExtender -------- Extend and retract multiple sections within a GUI
GUIFrame ---------- Subdivide GUIs into many adjustable frames
GUIListViewEx ------- Insert, delete, move, drag, sort, edit and colour ListView items
GUITreeViewEx ------ Check/clear parent and child checkboxes in a TreeView
Marquee ----------- Scrolling tickertape GUIs
NoFocusLines ------- Remove the dotted focus lines from buttons, sliders, radios and checkboxes
Notify ------------- Small notifications on the edge of the display
Scrollbars ----------Automatically sized scrollbars with a single command
StringSize ---------- Automatically size controls to fit text
Toast -------------- Small GUIs which pop out of the notification area


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Your point #3 can even be extended to giving you a start and ending point for dynamic controls which may have to be deleted and then recreated dynamicly again. I often use it to get me out of touchy spots.

It can also be used to store a value which you may have to work with several times in a script instead of using a variable and having to constantly set/reset that.


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