滑块控件（Slider）

提供可自定义的滑块控件，支持水平/垂直方向、刻度样式、选择范围、自绘和OLE拖放。

枚举

SldOrientationConstants

控件方向常量。

常量	值	说明
SldOrientationHorizontal	0	水平方向
SldOrientationVertical	1	垂直方向

SldTipSideConstants

提示文本位置常量。

常量	值	说明
SldTipSideAboveLeft	0	提示显示在上方/左侧
SldTipSideBelowRight	1	提示显示在下方/右侧

SldTickStyleConstants

刻度样式常量。

常量	值	说明
SldTickStyleBottomRight	0	底部/右侧刻度
SldTickStyleTopLeft	1	顶部/左侧刻度
SldTickStyleBoth	2	两侧刻度
SldTickStyleNone	3	无刻度

SldDrawModeConstants

绘制模式常量。

常量	值	说明
SldDrawModeNormal	0	正常绘制
SldDrawModeOwnerDraw	1	自绘模式

SldOwnerDrawItemConstants

自绘项常量。

常量	值	说明
SldOwnerDrawItemTics	1	刻度线
SldOwnerDrawItemThumb	2	滑块
SldOwnerDrawItemChannel	3	通道

属性

Name

Public Property Get Name() As String

返回在代码中标识对象的名称。

Tag

Public Property Get Tag() As String
Public Property Let Tag(ByVal Value As String)

存储程序所需的额外数据。

Parent

Public Property Get Parent() As Object

返回对象所在的对象。

Container

Public Property Get Container() As Object
Public Property Set Container(ByVal Value As Object)

返回/设置对象的容器。

Left

Public Property Get Left() As Single
Public Property Let Left(ByVal Value As Single)

返回/设置对象与其容器左边缘的距离。

Top

Public Property Get Top() As Single
Public Property Let Top(ByVal Value As Single)

返回/设置对象与其容器顶边缘的距离。

Width

Public Property Get Width() As Single
Public Property Let Width(ByVal Value As Single)

返回/设置对象的宽度。

Height

Public Property Get Height() As Single
Public Property Let Height(ByVal Value As Single)

返回/设置对象的高度。

Visible

Public Property Get Visible() As Boolean
Public Property Let Visible(ByVal Value As Boolean)

返回/设置对象是否可见。

ToolTipText

Public Property Get ToolTipText() As String
Public Property Let ToolTipText(ByVal Value As String)

返回/设置鼠标悬停时显示的提示文本。

HelpContextID

Public Property Get HelpContextID() As Long
Public Property Let HelpContextID(ByVal Value As Long)

返回/设置关联的上下文帮助ID。

WhatsThisHelpID

Public Property Get WhatsThisHelpID() As Long
Public Property Let WhatsThisHelpID(ByVal Value As Long)

返回/设置关联的上下文帮助ID。

DragIcon

Public Property Get DragIcon() As IPictureDisp
Public Property Let DragIcon(ByVal Value As IPictureDisp)
Public Property Set DragIcon(ByVal Value As IPictureDisp)

返回/设置拖放操作中显示的图标。

DragMode

Public Property Get DragMode() As Integer
Public Property Let DragMode(ByVal Value As Integer)

返回/设置拖动模式。

hWnd

Public Property Get hWnd() As LongPtr

返回控件句柄。

hWndUserControl

Public Property Get hWndUserControl() As LongPtr

返回UserControl句柄。

VisualStyles

Public Property Get VisualStyles() As Boolean
Public Property Let VisualStyles(ByVal Value As Boolean)

返回/设置是否启用视觉样式。需要comctl32.dll 6.0或更高版本。

BackColor

Public Property Get BackColor() As OLE_COLOR
Public Property Let BackColor(ByVal Value As OLE_COLOR)

返回/设置背景色。

Enabled

Public Property Get Enabled() As Boolean
Public Property Let Enabled(ByVal Value As Boolean)

返回/设置对象是否能响应用户事件。

OLEDropMode

Public Property Get OLEDropMode() As OLEDropModeConstants
Public Property Let OLEDropMode(ByVal Value As OLEDropModeConstants)

返回/设置对象是否可以作为OLE放置目标。

MousePointer

Public Property Get MousePointer() As CCMousePointerConstants
Public Property Let MousePointer(ByVal Value As CCMousePointerConstants)

返回/设置鼠标悬停时显示的指针类型。参见通用枚举。

MouseIcon

Public Property Get MouseIcon() As IPictureDisp
Public Property Let MouseIcon(ByVal Value As IPictureDisp)
Public Property Set MouseIcon(ByVal Value As IPictureDisp)

返回/设置自定义鼠标图标。

MouseTrack

Public Property Get MouseTrack() As Boolean
Public Property Let MouseTrack(ByVal Value As Boolean)

返回/设置是否在鼠标进入或离开控件时触发事件。

RightToLeft

Public Property Get RightToLeft() As Boolean
Public Property Let RightToLeft(ByVal Value As Boolean)

返回/设置从右到左显示方向。

RightToLeftLayout

Public Property Get RightToLeftLayout() As Boolean
Public Property Let RightToLeftLayout(ByVal Value As Boolean)

返回/设置从右到左布局。

RightToLeftMode

Public Property Get RightToLeftMode() As CCRightToLeftModeConstants
Public Property Let RightToLeftMode(ByVal Value As CCRightToLeftModeConstants)

返回/设置从右到左模式。参见通用枚举。

Min

Public Property Get Min() As Long
Public Property Let Min(ByVal Value As Long)

返回/设置最小值。

Max

Public Property Get Max() As Long
Public Property Let Max(ByVal Value As Long)

返回/设置最大值。

Value

Public Property Get Value() As Long
Public Property Let Value(ByVal NewValue As Long)

返回/设置当前值。

TickFrequency

Public Property Get TickFrequency() As Long
Public Property Let TickFrequency(ByVal Value As Long)

返回/设置刻度频率。

Orientation

Public Property Get Orientation() As SldOrientationConstants
Public Property Let Orientation(ByVal Value As SldOrientationConstants)

返回/设置控件方向。

SmallChange

Public Property Get SmallChange() As Long
Public Property Let SmallChange(ByVal Value As Long)

返回/设置按下箭头键时的变化量。

LargeChange

Public Property Get LargeChange() As Long
Public Property Let LargeChange(ByVal Value As Long)

返回/设置按下PageUp/PageDown或点击通道时的变化量。

TickStyle

Public Property Get TickStyle() As SldTickStyleConstants
Public Property Let TickStyle(ByVal Value As SldTickStyleConstants)

返回/设置刻度样式。

ShowTip

Public Property Get ShowTip() As Boolean
Public Property Let ShowTip(ByVal Value As Boolean)

返回/设置是否显示值提示。

TipSide

Public Property Get TipSide() As SldTipSideConstants
Public Property Let TipSide(ByVal Value As SldTipSideConstants)

返回/设置提示显示位置。

SelectRange

Public Property Get SelectRange() As Boolean
Public Property Let SelectRange(ByVal Value As Boolean)

返回/设置是否启用选择范围。

SelStart

Public Property Get SelStart() As Long
Public Property Let SelStart(ByVal Value As Long)

返回/设置选择范围的起始位置。

SelLength

Public Property Get SelLength() As Long
Public Property Let SelLength(ByVal Value As Long)

返回/设置选择范围的长度。

Transparent

Public Property Get Transparent() As Boolean
Public Property Let Transparent(ByVal Value As Boolean)

返回/设置控件背景是否透明。

HideThumb

Public Property Get HideThumb() As Boolean
Public Property Let HideThumb(ByVal Value As Boolean)

返回/设置是否隐藏滑块。

Reversed

Public Property Get Reversed() As Boolean
Public Property Let Reversed(ByVal Value As Boolean)

返回/设置是否反转滑块方向。

DrawMode

Public Property Get DrawMode() As SldDrawModeConstants
Public Property Let DrawMode(ByVal Value As SldDrawModeConstants)

返回/设置绘制模式。

ThumbLeft

Public Property Get ThumbLeft() As Single

返回滑块左边距。

ThumbTop

Public Property Get ThumbTop() As Single

返回滑块顶边距。

ThumbWidth

Public Property Get ThumbWidth() As Single

返回滑块宽度。

ThumbHeight

Public Property Get ThumbHeight() As Single

返回滑块高度。

ChannelLeft

Public Property Get ChannelLeft() As Single

返回通道左边距。

ChannelTop

Public Property Get ChannelTop() As Single

返回通道顶边距。

ChannelWidth

Public Property Get ChannelWidth() As Single

返回通道宽度。

ChannelHeight

Public Property Get ChannelHeight() As Single

返回通道高度。

方法

Refresh

Public Sub Refresh()

强制完全重绘对象。

ClearSel

Public Sub ClearSel()

清除选择范围。

GetNumTicks

Public Function GetNumTicks() As Long

返回刻度数量。

GetTickPosition

Public Function GetTickPosition(ByVal Index As Long) As Single

返回指定刻度的位置。

OLEDrag

Public Sub OLEDrag()

启动OLE拖放操作。

Drag

Public Sub Drag(Optional ByRef Action As Variant)

开始、结束或取消拖动操作。

SetFocus

Public Sub SetFocus()

将焦点移至控件。

ZOrder

Public Sub ZOrder(Optional ByRef Position As Variant)

设置Z顺序。

事件

Click

Public Event Click()

用户单击控件时触发。

Scroll

Public Event Scroll()

用户拖动滑块时触发。

Change

Public Event Change()

值改变后触发。

ContextMenu

Public Event ContextMenu(ByVal X As Single, ByVal Y As Single)

右键点击控件时触发。

ModifyTipText

Public Event ModifyTipText(ByRef Text As String)

提示文本即将显示时触发，可修改提示文本。

ItemDraw

Public Event ItemDraw(ByVal Item As SldOwnerDrawItemConstants, ByRef Cancel As Boolean, ByVal ItemState As Long, ByVal hDC As Long, ByVal Left As Long, ByVal Top As Long, ByVal Right As Long, ByVal Bottom As Long)

自绘项时触发。Item为自绘项类型，Cancel可取消默认绘制，hDC为设备上下文。

PreviewKeyDown

Public Event PreviewKeyDown(ByVal KeyCode As Integer, ByRef IsInputKey As Boolean)

按键前预览。IsInputKey为True表示该键为输入键。

PreviewKeyUp

Public Event PreviewKeyUp(ByVal KeyCode As Integer, ByRef IsInputKey As Boolean)

按键释放前预览。

KeyDown

Public Event KeyDown(KeyCode As Integer, Shift As Integer)

按下键盘键时触发。

KeyUp

Public Event KeyUp(KeyCode As Integer, Shift As Integer)

释放键盘键时触发。

KeyPress

Public Event KeyPress(KeyChar As Integer)

按下并释放ANSI键时触发。

MouseDown

Public Event MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)

按下鼠标按钮时触发。

MouseMove

Public Event MouseMove(Button As Integer, Shift As Integer, X As Single, Y As Single)

移动鼠标时触发。

MouseUp

Public Event MouseUp(Button As Integer, Shift As Integer, X As Single, Y As Single)

释放鼠标按钮时触发。

MouseEnter

Public Event MouseEnter()

鼠标进入控件区域时触发。

MouseLeave

Public Event MouseLeave()

鼠标离开控件区域时触发。

OLECompleteDrag

Public Event OLECompleteDrag(Effect As Long)

OLE拖放操作完成时触发。

OLEDragDrop

Public Event OLEDragDrop(Data As DataObject, Effect As Long, Button As Integer, Shift As Integer, X As Single, Y As Single)

OLE拖放操作放置时触发。

OLEDragOver

Public Event OLEDragOver(Data As DataObject, Effect As Long, Button As Integer, Shift As Integer, X As Single, Y As Single, State As Integer)

OLE拖放操作悬停时触发。

OLEGiveFeedback

Public Event OLEGiveFeedback(Effect As Long, DefaultCursors As Boolean)

OLE拖放操作给反馈时触发。

OLESetData

Public Event OLESetData(Data As DataObject, DataFormat As Integer)

OLE拖放操作设置数据时触发。

OLEStartDrag

Public Event OLEStartDrag(Data As DataObject, AllowedEffects As Long)

OLE拖放操作开始时触发。

代码示例

基本用法

' 设置滑块控件
With Slider1
    .Min = 0
    .Max = 100
    .Value = 50
    .TickFrequency = 10
    .SmallChange = 1
    .LargeChange = 10
    .SelectRange = True
    .SelStart = 20
    .SelLength = 60
End With

' 响应值变化
Private Sub Slider1_Change()
    Debug.Print "当前值: " & Slider1.Value
End Sub

' 自定义提示文本
Private Sub Slider1_ModifyTipText(ByRef Text As String)
    Text = "进度: " & Slider1.Value & "%"
End Sub