函数参考

_GUICtrlComboBox_GetItemHeight

获取组合框中项目或选择区段的高度

#include <GuiComboBox.au3>
_GUICtrlComboBox_GetItemHeight($hWnd, $iIndex = -1)

参数

$hWnd 控件的控件ID/句柄
$iIndex 确定获取高度的对象:
-1 - 获取选择区段高度
 0 - 获取列表项高度

返回值

成功: 返回 像素高度
失败: 返回 -1

注意/说明

None.

相关

_GUICtrlComboBox_SetItemHeight

示例/演示


#include <GuiComboBox.au3>
#include <GUIConstantsEx.au3>

$Debug_CB = False ;检查传递给 ComboBox/ComboBoxEx 函数的类名, 设置为True并输出到一个控件的句柄,用于检查它是否工作

Global $iMemo

_Main()

Func _Main()
    Local $hCombo

    ; 创建 GUI
    GUICreate("ComboBox Get Item Height", 400, 296)
    $hCombo = GUICtrlCreateCombo("", 2, 2, 396, 296)
    $iMemo = GUICtrlCreateEdit("", 2, 32, 396, 266, 0)
    GUICtrlSetFont($iMemo, 9, 400, 0, "Courier New")
    GUISetState()

    ; 添加文件
    _GUICtrlComboBox_BeginUpdate($hCombo)
    _GUICtrlComboBox_AddDir($hCombo, @WindowsDir & "\*.exe")
    _GUICtrlComboBox_EndUpdate($hCombo)

    ; Get Item Height (selection field)
    MemoWrite("Item Height (selection field): " & _GUICtrlComboBox_GetItemHeight($hCombo))

    ; Get Item Height (list items)
    MemoWrite("Item Height (list items): " & _GUICtrlComboBox_GetItemHeight($hCombo, 0))

    ; 设置项目高度 (selection field)
    _GUICtrlComboBox_SetItemHeight($hCombo, 18)

    ; 设置项目高度 (selection field)
    _GUICtrlComboBox_SetItemHeight($hCombo, 20, 0)

    ; Get Item Height (selection field)
    MemoWrite("Item Height (selection field): " & _GUICtrlComboBox_GetItemHeight($hCombo))

    ; Get Item Height (list items)
    MemoWrite("Item Height (list items): " & _GUICtrlComboBox_GetItemHeight($hCombo, 0))

    ; 循环直到用户退出
    Do
    Until GUIGetMsg() = $GUI_EVENT_CLOSE
    GUIDelete()
EndFunc   ;==>_Main

; 写入一行到 memo 控件
Func MemoWrite($sMessage)
    GUICtrlSetData($iMemo, $sMessage & @CRLF, 1)
EndFunc   ;==>MemoWrite