Create a ComboBox control
#include <GuiComboBox.au3>
_GUICtrlComboBox_Create ( $hWnd, $sText, $iX, $iY [, $iWidth = 100 [, $iHeight = 120 [, $iStyle = 0x00200042 [, $iExStyle = 0x00000000]]]] )
$hWnd | Handle to parent or owner window |
$sText | Delimited string to add to the combobox |
$iX | Horizontal position of the control |
$iY | Vertical position of the control |
$iWidth | [optional] Control width |
$iHeight | [optional] Control height |
$iStyle | [optional] Control style: $CBS_AUTOHSCROLL - Automatically scrolls the text in an edit control to the right when the user types a character at the end of the line. $CBS_DISABLENOSCROLL - Shows a disabled vertical scroll bar $CBS_DROPDOWN - Similar to $CBS_SIMPLE, except that the list box is not displayed unless the user selects an icon next to the edit control $CBS_DROPDOWNLIST - Similar to $CBS_DROPDOWN, except that the edit control is replaced by a static text item that displays the current selection in the list box $CBS_LOWERCASE - Converts to lowercase all text in both the selection field and the list $CBS_NOINTEGRALHEIGHT - Specifies that the size of the combo box is exactly the size specified by the application when it created the combo box $CBS_OEMCONVERT - Converts text entered in the combo box edit control from the Windows character set to the OEM character set and then back to the Windows character set $CBS_OWNERDRAWFIXED - Specifies that the owner of the list box is responsible for drawing its contents and that the items in the list box are all the same height $CBS_OWNERDRAWVARIABLE - Specifies that the owner of the list box is responsible for drawing its contents and that the items in the list box are variable in height $CBS_SIMPLE - Displays the list box at all times $CBS_SORT - Automatically sorts strings added to the list box $CBS_UPPERCASE - Converts to uppercase all text in both the selection field and the list Default: $CBS_DROPDOWN, $CBS_AUTOHSCROLL, $WS_VSCROLL Forced : $WS_CHILD, $WS_TABSTOP, $WS_VISIBLE |
$iExStyle | [optional] Control extended style. These correspond to the standard $WS_EX_* constants. See Extended Style Table. |
Success: | the handle to the Listbox control. |
Failure: | 0. |
This function is for Advanced users and for learning how the control works.
#include <GuiComboBox.au3>
#include <GUIConstantsEx.au3>
#include <MsgBoxConstants.au3>
#include <WindowsConstants.au3>
Global $g_hCombo
Example()
Func Example()
Local $hGUI
; Create GUI
$hGUI = GUICreate("(UDF) ComboBox Create", 400, 296)
$g_hCombo = _GUICtrlComboBox_Create($hGUI, "", 2, 2, 396, 296)
GUISetState(@SW_SHOW)
; Add files
_GUICtrlComboBox_BeginUpdate($g_hCombo)
_GUICtrlComboBox_AddDir($g_hCombo, "", $DDL_DRIVES, False)
_GUICtrlComboBox_EndUpdate($g_hCombo)
GUIRegisterMsg($WM_COMMAND, "WM_COMMAND")
; Loop until the user exits.
Do
Until GUIGetMsg() = $GUI_EVENT_CLOSE
GUIDelete()
EndFunc ;==>Example
Func WM_COMMAND($hWnd, $iMsg, $wParam, $lParam)
#forceref $hWnd, $iMsg
Local $hWndFrom, $iIDFrom, $iCode
$hWndFrom = $lParam
$iIDFrom = BitAND($wParam, 0xFFFF) ; Low Word
$iCode = BitShift($wParam, 16) ; Hi Word
Switch $hWndFrom
Case $g_hCombo
Switch $iCode
Case $CBN_CLOSEUP ; Sent when the list box of a combo box has been closed
_DebugPrint("$CBN_CLOSEUP" & @CRLF & "--> hWndFrom:" & @TAB & $hWndFrom & @CRLF & _
"-->IDFrom:" & @TAB & $iIDFrom & @CRLF & _
"-->Code:" & @TAB & $iCode)
; no return value
Case $CBN_DBLCLK ; Sent when the user double-clicks a string in the list box of a combo box
_DebugPrint("$CBN_DBLCLK" & @CRLF & "--> hWndFrom:" & @TAB & $hWndFrom & @CRLF & _
"-->IDFrom:" & @TAB & $iIDFrom & @CRLF & _
"-->Code:" & @TAB & $iCode)
; no return value
Case $CBN_DROPDOWN ; Sent when the list box of a combo box is about to be made visible
_DebugPrint("$CBN_DROPDOWN" & @CRLF & "--> hWndFrom:" & @TAB & $hWndFrom & @CRLF & _
"-->IDFrom:" & @TAB & $iIDFrom & @CRLF & _
"-->Code:" & @TAB & $iCode)
; no return value
Case $CBN_EDITCHANGE ; Sent after the user has taken an action that may have altered the text in the edit control portion of a combo box
_DebugPrint("$CBN_EDITCHANGE" & @CRLF & "--> hWndFrom:" & @TAB & $hWndFrom & @CRLF & _
"-->IDFrom:" & @TAB & $iIDFrom & @CRLF & _
"-->Code:" & @TAB & $iCode)
; no return value
Case $CBN_EDITUPDATE ; Sent when the edit control portion of a combo box is about to display altered text
_DebugPrint("$CBN_EDITUPDATE" & @CRLF & "--> hWndFrom:" & @TAB & $hWndFrom & @CRLF & _
"-->IDFrom:" & @TAB & $iIDFrom & @CRLF & _
"-->Code:" & @TAB & $iCode)
; no return value
Case $CBN_ERRSPACE ; Sent when a combo box cannot allocate enough memory to meet a specific request
_DebugPrint("$CBN_ERRSPACE" & @CRLF & "--> hWndFrom:" & @TAB & $hWndFrom & @CRLF & _
"-->IDFrom:" & @TAB & $iIDFrom & @CRLF & _
"-->Code:" & @TAB & $iCode)
; no return value
Case $CBN_KILLFOCUS ; Sent when a combo box loses the keyboard focus
_DebugPrint("$CBN_KILLFOCUS" & @CRLF & "--> hWndFrom:" & @TAB & $hWndFrom & @CRLF & _
"-->IDFrom:" & @TAB & $iIDFrom & @CRLF & _
"-->Code:" & @TAB & $iCode)
; no return value
Case $CBN_SELCHANGE ; Sent when the user changes the current selection in the list box of a combo box
_DebugPrint("$CBN_SELCHANGE" & @CRLF & "--> hWndFrom:" & @TAB & $hWndFrom & @CRLF & _
"-->IDFrom:" & @TAB & $iIDFrom & @CRLF & _
"-->Code:" & @TAB & $iCode)
; no return value
Case $CBN_SELENDCANCEL ; Sent when the user selects an item, but then selects another control or closes the dialog box
_DebugPrint("$CBN_SELENDCANCEL" & @CRLF & "--> hWndFrom:" & @TAB & $hWndFrom & @CRLF & _
"-->IDFrom:" & @TAB & $iIDFrom & @CRLF & _
"-->Code:" & @TAB & $iCode)
; no return value
Case $CBN_SELENDOK ; Sent when the user selects a list item, or selects an item and then closes the list
_DebugPrint("$CBN_SELENDOK" & @CRLF & "--> hWndFrom:" & @TAB & $hWndFrom & @CRLF & _
"-->IDFrom:" & @TAB & $iIDFrom & @CRLF & _
"-->Code:" & @TAB & $iCode)
; no return value
Case $CBN_SETFOCUS ; Sent when a combo box receives the keyboard focus
_DebugPrint("$CBN_SETFOCUS" & @CRLF & "--> hWndFrom:" & @TAB & $hWndFrom & @CRLF & _
"-->IDFrom:" & @TAB & $iIDFrom & @CRLF & _
"-->Code:" & @TAB & $iCode)
; no return value
EndSwitch
EndSwitch
Return $GUI_RUNDEFMSG
EndFunc ;==>WM_COMMAND
Func _DebugPrint($s_Text, $sLine = @ScriptLineNumber)
ConsoleWrite( _
"!===========================================================" & @CRLF & _
"+======================================================" & @CRLF & _
"-->Line(" & StringFormat("%04d", $sLine) & "):" & @TAB & $s_Text & @CRLF & _
"+======================================================" & @CRLF)
EndFunc ;==>_DebugPrint