I currently use a standard TFindDialog in my Delphi application:
How can I change the textbox to a combobox? I'd like to set it up so that the user can easily see and select from the history, like this:
How can I change the textbox (Edit) in a Find dialog to a Combobox in Delphi?
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You can't, at least not with
TFindDialog, as it does not allow the use of a custom dialog template (the underlyingFindText()API does, though).However, there is another workaround for your situation...
In the
TFindDialog.OnShowevent, useFindWindowEx()to manually find theHWNDof the Edit field in the dialog, and then use the Shell'sIAutoCompleteinterface to enable a drop-down list on thatHWND. You can write a class that implements theIEnumStringinterface to provide the entries that you want to appear in that drop-down list (for instance, by wrapping aTStringListthat you store your entries in).See MSDN documentation for more details:
Using Autocomplete
How to Enable Autocomplete Manually
Also see:
This answer to Google like edit/combo control for Delphi?
This answer to Auto append/complete from text file to an edit box delphi
This answer to How to use IAutoComplete together with TStringsAdapter?