VBFlexGrid Control (Replacement of the MSFlexGrid control)

[Krool]

Update released to cleanup the combo functionality and make definitive decision about the namings.

The ComboMode/ColComboMode run-time property allows to use combo functionality when editing a cell, it returns/sets.
- FlexComboModeNone -> Normal editing.
- FlexComboModeDropDown -> Allows to modify by drop-down list only.
- FlexComboModeEditable -> Allows to modify by normal editing and drop-down list.
- FlexComboModeButton -> Allows to modify by button only, which is a request to open a custom editor.

The ComboButtonValue run-time property which sets the value of the combo button by code, it returns/sets:
- FlexComboButtonValueUnpressed -> Normal.
- FlexComboButtonValuePressed -> Shows drop-down list or raises ComboButtonClick. (depending on ComboMode)
- FlexComboButtonValueDisabled -> Cannot click, grayed and closes up drop-down list if necessary.

ComboItems/ColComboItems run-time property is the definition of the strings to be used for the drop-down list.
Each item is separated with "|". If ComboMode property is Button then this property is ignored.

ComboList/ComboListCount/ComboListIndex run-time property are helping to interact with the drop-down list by code.

ComboDropDown/ComboCloseUp event, which occurs only when ComboMode is DropDown or Editable.

ComboButtonClick event, which occurs only when ComboMode is Button.

ComboButtonDrawMode run-time property and corresponding ComboButtonOwnerDraw event.