我的一个程序中,有一个frmMain主窗体,我想做一个右下角弹出提示窗口,我现在遇到这个问题怎么解决:
1、如果主窗体时无模式的,弹出窗口会获得焦点,怎么使焦点不被弹出窗体影响?
2、如果主窗体是有模式的,又怎么把弹出窗口显示出来呢?如果直接show的话,会报错:“当窗体为有模式时不能打开无
模式窗体”请问高手该怎么办?谢谢!
1、如果主窗体时无模式的,弹出窗口会获得焦点,怎么使焦点不被弹出窗体影响?
2、如果主窗体是有模式的,又怎么把弹出窗口显示出来呢?如果直接show的话,会报错:“当窗体为有模式时不能打开无
模式窗体”请问高手该怎么办?谢谢!
'气泡提示类CTipsOption ExplicitPrivate Declare Function CreateWindowEx Lib "user32.dll" Alias "CreateWindowExA" (ByVal dwExStyle As Long, ByVal lpClassName As String, ByVal lpWindowName As String, ByVal dwStyle As Long, ByVal X As Long, ByVal Y As Long, ByVal nWidth As Long, ByVal nHeight As Long, ByVal hWndParent As Long, ByVal hMenu As Long, ByVal hInstance As Long, ByRef lpParam As Any) As Long
Private Declare Function SendMessage Lib "user32.dll" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByRef lParam As Any) As Long
Private Declare Function SendMessageLong Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
Private Declare Function DestroyWindow Lib "user32" (ByVal hwnd As Long) As Long
Private Declare Function ClientToScreen Lib "user32" (ByVal hwnd As Long, lpPoint As POINTAPI) As LongPrivate Const WM_USER = &H400
Private Const CW_USEDEFAULT = &H80000000Private Type RECT
left As Long
top As Long
right As Long
bottom As Long
End TypePrivate Type POINTAPI
X As Long
Y As Long
End TypePrivate Const TTS_NOPREFIX = &H2
Private Const TTF_TRANSPARENT = &H100
Private Const TTF_CENTERTIP = &H2
Private Const TTM_ADDTOOLA = (WM_USER + 4)
Private Const TTM_ACTIVATE = WM_USER + 1
Private Const TTM_UPDATETIPTEXTA = (WM_USER + 12)
Private Const TTM_SETMAXTIPWIDTH = (WM_USER + 24)
Private Const TTM_SETTIPBKCOLOR = (WM_USER + 19)
Private Const TTM_SETTIPTEXTCOLOR = (WM_USER + 20)
Private Const TTM_SETTITLE = (WM_USER + 32)
Private Const TTS_BALLOON = &H40
Private Const TTS_ALWAYSTIP = &H1
Private Const TTF_SUBCLASS = &H10
Private Const TTF_TRACK = &H20
Private Const TTF_IDISHWND = &H1
Private Const TTM_SETDELAYTIME = (WM_USER + 3)
Private Const TTDT_AUTOPOP = 2
Private Const TTDT_INITIAL = 3
Private Const TTM_TRACKACTIVATE = WM_USER + 17
Private Const TTM_TRACKPOSITION = WM_USER + 18
Private Const WS_POPUP = &H80000000Private Const TOOLTIPS_CLASSA = "tooltips_class32"Private Type TOOLINFO
lSize As Long
lFlags As Long
hwnd As Long
lId As Long
lpRect As RECT
hInstance As Long
lpStr As String
lParam As Long
End TypePublic Enum ttIconType
TTNoIcon = 0
TTIconInfo = 1
TTIconWarning = 2
TTIconError = 3
End EnumPublic Enum ttStyleEnum
TTStandard
TTBalloon
End EnumPrivate mvarBackColor As Long
Private mvarTitle As String
Private mvarForeColor As Long
Private mvarIcon As ttIconType
Private mvarCentered As Boolean
Private mvarStyle As ttStyleEnum
Private mvarTipText As String
Private mvarVisibleTime As Long
Private mvarDelayTime As Long
Private mvarPopupOnDemand As BooleanPrivate m_lTTHwnd As Long
Private m_lParentHwnd As Long
Private ti As TOOLINFOPrivate Sub Class_Initialize()
mvarDelayTime = 500
mvarVisibleTime = 5000
mvarPopupOnDemand = False
End Sub
Private Sub Class_Terminate()
Destroy
End Sub
Public Property Get VisibleTime() As Long
VisibleTime = mvarVisibleTime
End Property
Public Property Let VisibleTime(ByVal lData As Long)
mvarVisibleTime = lData
End Property
Public Property Get DelayTime() As Long
DelayTime = mvarDelayTime
End Property
Public Property Let DelayTime(ByVal lData As Long)
mvarDelayTime = lData
End Property
Public Property Let Icon(ByVal vData As ttIconType)
mvarIcon = vData
If m_lTTHwnd <> 0 And mvarTitle <> Empty And mvarIcon <> TTNoIcon Then
SendMessage m_lTTHwnd, TTM_SETTITLE, CLng(mvarIcon), ByVal mvarTitle
End If
End Property
Public Property Get Icon() As ttIconType
Icon = mvarIcon
End Property
Public Property Let ForeColor(ByVal vData As Long)
mvarForeColor = vData
If m_lTTHwnd <> 0 Then
SendMessage m_lTTHwnd, TTM_SETTIPTEXTCOLOR, mvarForeColor, 0&
End If
End Property
Public Property Get ForeColor() As Long
ForeColor = mvarForeColor
End Property
Public Property Let Title(ByVal vData As String)
mvarTitle = vData
If m_lTTHwnd <> 0 And mvarTitle <> Empty And mvarIcon <> TTNoIcon Then
SendMessage m_lTTHwnd, TTM_SETTITLE, CLng(mvarIcon), ByVal mvarTitle
End If
End Property
Public Property Get Title() As String
Title = ti.lpStr
End Property
Public Property Let PopupOnDemand(ByVal vData As Boolean)
mvarPopupOnDemand = vData
End Property
Public Property Get PopupOnDemand() As Boolean
PopupOnDemand = mvarPopupOnDemand
End Property
Public Property Let BackColor(ByVal vData As Long)
mvarBackColor = vData
If m_lTTHwnd <> 0 Then
SendMessage m_lTTHwnd, TTM_SETTIPBKCOLOR, mvarBackColor, 0&
End If
End Property
Public Property Get BackColor() As Long
BackColor = mvarBackColor
End Property
Public Property Let TipText(ByVal vData As String)
mvarTipText = vData
ti.lpStr = vData
If m_lTTHwnd <> 0 Then
SendMessage m_lTTHwnd, TTM_UPDATETIPTEXTA, 0&, ti
End If
End Property
Public Property Get TipText() As String
TipText = mvarTipText
End Property
Public Property Let Style(ByVal vData As ttStyleEnum)
mvarStyle = vData
End Property
Public Property Get Style() As ttStyleEnum
Style = mvarStyle
End Property
Public Property Let Centered(ByVal vData As Boolean)
mvarCentered = vData
End Property
Public Property Get Centered() As Boolean
Centered = mvarCentered
End Property
Public Sub Show(Optional X As Long = 0, Optional Y As Long = 0)
Dim pt As POINTAPI
Dim ptTip As Long
Dim ret As Long With pt
.X = X
.Y = Y
End With
ret = ClientToScreen(Form1.Text1.hwnd, pt)
ptTip = pt.Y * &H10000
ptTip = ptTip + pt.X
ret = SendMessage(m_lTTHwnd, TTM_TRACKPOSITION, 0, ByVal ptTip)
ret = SendMessage(m_lTTHwnd, TTM_TRACKACTIVATE, True, ti)
End Sub
Public Function CreateToolTip(ByVal ParentHwnd As Long) As Boolean
Dim lWinStyle As Long
If m_lTTHwnd <> 0 Then
DestroyWindow m_lTTHwnd
End If
m_lParentHwnd = ParentHwnd
''create baloon style if desired
If mvarStyle = TTBalloon Then lWinStyle = lWinStyle Or TTS_BALLOON m_lTTHwnd = CreateWindowEx(0&, TOOLTIPS_CLASSA, vbNullString, lWinStyle, 0&, 0&, 0&, 0&, m_lParentHwnd, 0&, 0&, 0&)
With ti
If mvarCentered Then
If mvarPopupOnDemand = False Then
.lFlags = TTF_SUBCLASS Or TTF_CENTERTIP Or TTF_IDISHWND
Else
.lFlags = TTF_IDISHWND Or TTF_TRACK Or TTF_CENTERTIP
End If
Else
If mvarPopupOnDemand = False Then
.lFlags = TTF_SUBCLASS Or TTF_IDISHWND
Else
.lFlags = TTF_IDISHWND Or TTF_TRACK Or TTF_TRANSPARENT
End If
End If 'set the hwnd prop to our parent control's hwnd
.hwnd = m_lParentHwnd
.lId = m_lParentHwnd '0
.hInstance = App.hInstance
.lSize = Len(ti)
End With
'add the tooltip structure
SendMessage m_lTTHwnd, TTM_ADDTOOLA, 0&, ti 'if we want a title or we want an icon
If mvarTitle <> vbNullString Or mvarIcon <> TTNoIcon Then
SendMessage m_lTTHwnd, TTM_SETTITLE, CLng(mvarIcon), ByVal mvarTitle
End If
If mvarForeColor <> Empty Then
SendMessage m_lTTHwnd, TTM_SETTIPTEXTCOLOR, mvarForeColor, 0&
End If
If mvarBackColor <> Empty Then
SendMessage m_lTTHwnd, TTM_SETTIPBKCOLOR, mvarBackColor, 0&
End If
SendMessageLong m_lTTHwnd, TTM_SETDELAYTIME, TTDT_AUTOPOP, mvarVisibleTime
SendMessageLong m_lTTHwnd, TTM_SETDELAYTIME, TTDT_INITIAL, mvarDelayTime
End FunctionPublic Sub Destroy()
If m_lTTHwnd <> 0 Then
DestroyWindow m_lTTHwnd
End If
End Sub
'使用窗体代码,以输入数字为例Option Explicit
Dim tip As New CTipsPrivate Sub Form_MouseMove(Button As Integer, Shift As Integer, X As Single, Y As Single)
tip.Destroy
End SubPrivate Sub Form_Terminate()
Set tip = Nothing
End SubPrivate Sub Text1_KeyPress(KeyAscii As Integer)
If (KeyAscii > 57 Or KeyAscii < 48) And KeyAscii <> 8 Then
Call ShowMyTip
KeyAscii = 0
Else
tip.Destroy
End If
End SubPrivate Sub ShowMyTip()
tip.Style = TTBalloon
tip.Icon = TTIconError
tip.Title = "请输入数字!"
tip.TipText = " "
tip.PopupOnDemand = True
tip.CreateToolTip Text1.hwnd
tip.Show Text1.Width / Screen.TwipsPerPixelX, Text1.Height / Screen.TwipsPerPixelX / 2 - 1 '//In Pixel only
End Sub
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