Construction
| CGXComboBox | Constructs a combo-box control object. |
Dropdown-State
| ShowDropDown | Shows or hides the list box part of the combo box. |
| GetDroppedState | Determines whether the list box part is visible (dropped down). |
Overridables
| CreateListBox | Called from ShowDropDown to create the list box part of the combo box. |
| OnFillDroppedList | Called after the list box has been created and needs to be filled with items. The default version of this method reads all items from the choice list. |
| OnGetListboxRect | Called before the drop-down list box is made visible. Override this method for changing the default list box size (e.g., if you would like to have it wider than the default). |
| OnStoreDroppedList | Called when the user has selected an item and it should be copied to the edit control part of the combo box. |
Attributes
| m_bFillWithChoiceList | TRUE if list box items are retrieved from choice list. FALSE if list box is filled by overriding OnFillDroppedList. |
| m_bInactiveDrawAllCell | Specifies whether the combo box shall draw text over the pushbutton if it is hidden. If the attribute is TRUE, the text will be drawn over the hidden button. The default setting is FALSE, which means that the text is clipped even if the pushbutton is not visible. |
| m_bInactiveDrawButton | Specifies whether the pushbutton shall be drawn even if the cell is not the current cell. If the attribute is TRUE, the button will be drawn. The default setting is FALSE, which means that the button is only drawn for the current cell. |
| m_bSizeToContent | Specifies if the window rectangle for the combo box shall be computed on the font and cell size. m_bSizeToContent is TRUE by default. If you set this attribute FALSE, the combo box will draw the button over the whole height of the cell. |