TcxCustomDropDownEdit.CanDropDown Method
In This Article
Identifies if it is possible to invoke the drop-down window.
#Declaration
Delphi
function CanDropDown: Boolean; virtual;
#Returns
Type | Description |
---|---|
Boolean |
|
#Remarks
Call CanDropDown
and CanHide functions to identify if drop-down open and close operations are available.
The Properties.OnInitPopup event occurs every time a user attempts to invoke the drop-down window. If the CanDropDown
function returns True
, the OnPopup event also occurs and the drop-down window opens.
Note
TcxCan
function to implement editor-specific drop-down window display permissions. You can display the drop-down window only if the Can
function returns True
.
This Can
function implementation always returns False
.
See Also