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[downwards1]

...you assign an ItemIndex and the string of this item is the same as the string of an item with another index.

E.g. 5 items in the combo wherby 2 are identical:
[0]Bird
[1]Cow
[2]Cow
[3]Horse
[4]Dog

do the following in this order:
ItemIndex := 0; //fires
ItemIndex := 2; //fires
ItemIndex := 3; //fires
ItemIndex := 2; //fires
ItemIndex := 1; //does not fire!!!
ItemIndex := 2; //does not fire!!!
ItemIndex := 1; //does not fire!!!
ItemIndex := 2; //does not fire!!!
ItemIndex := 3; //fires
ItemIndex := 1; //fires

Workaround: I have to set ItemIndex := -1 and then to the final index.

BR
DW



By the way: the combobox shows a cursor even if its style is dsdropdownlist. ->