如何改变 Command1.Caption 的 ForeColor

zou19820704 2005-10-31 10:29:46

我现在需要改变命令按纽的前竟色为白色，不知道怎么去改变他！
高手帮忙

...全文

258 11 打赏收藏转发到动态举报

写回复

用AI写文章

11 条回复

切换为时间正序

请发表友善的回复…

发表回复

zou19820704 2005-11-04

打赏
举报

快来帮帮我呀！！

zodane 2005-11-04

打赏
举报

你改用别的控件做按钮呢？
label ,image ,都很好做的啊。

province_ 2005-11-04

打赏
举报

或者你使用FORM2。0里的按钮，许多效果都是不错的。

zou19820704 2005-10-31

打赏
举报

check1.value= 1 的时候不符合我的要求呀，我需要按下和不按都是背景色不改变的

rainstormmaster 2005-10-31

打赏
举报

或者用checkbox控件(有forecolor属性)代替按钮，设置其style属性为1：
Private Sub Check1_Click()
Check1.Value = 0
End Sub

zou19820704 2005-10-31

打赏
举报

太多了，我自己做一个得了，呵呵，谢谢你楼上的兄弟

shortppsy 2005-10-31

打赏
举报

可以这样做，不过很复杂，建议你用其他的按钮控件，或者自己画一个

更变command文字前景色

Option Explicit

Private Type RECT
Left As Long
Top As Long
Right As Long
Bottom As Long
End Type

Private Declare Function GetParent Lib "user32" _
(ByVal hWnd As Long) As Long

Private Declare Function GetWindowLong Lib "user32" Alias _
"GetWindowLongA" (ByVal hWnd As Long, _
ByVal nIndex As Long) As Long
Private Declare Function SetWindowLong Lib "user32" Alias _
"SetWindowLongA" (ByVal hWnd As Long, ByVal nIndex As Long, _
ByVal dwNewLong As Long) As Long
Private Const GWL_WNDPROC = (-4)

Private Declare Function GetProp Lib "user32" Alias "GetPropA" _
(ByVal hWnd As Long, ByVal lpString As String) As Long
Private Declare Function SetProp Lib "user32" Alias "SetPropA" _
(ByVal hWnd As Long, ByVal lpString As String, _
ByVal hData As Long) As Long
Private Declare Function RemoveProp Lib "user32" Alias _
"RemovePropA" (ByVal hWnd As Long, _
ByVal lpString As String) As Long

Private Declare Function CallWindowProc Lib "user32" Alias _
"CallWindowProcA" (ByVal lpPrevWndFunc As Long, _
ByVal hWnd As Long, ByVal Msg As Long, ByVal wParam As Long, _
ByVal lParam As Long) As Long

Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" _
(Destination As Any, Source As Any, ByVal Length As Long)

'Owner draw constants
Private Const ODT_BUTTON = 4
Private Const ODS_SELECTED = &H1
'Window messages we're using
Private Const WM_DESTROY = &H2
Private Const WM_DRAWITEM = &H2B

Private Type DRAWITEMSTRUCT
CtlType As Long
CtlID As Long
itemID As Long
itemAction As Long
itemState As Long
hwndItem As Long
hDC As Long
rcItem As RECT
itemData As Long
End Type

Private Declare Function GetWindowText Lib "user32" Alias _
"GetWindowTextA" (ByVal hWnd As Long, ByVal lpString As String, _
ByVal cch As Long) As Long
'Various GDI painting-related functions
Private Declare Function DrawText Lib "user32" Alias "DrawTextA" _
(ByVal hDC As Long, ByVal lpStr As String, ByVal nCount As Long, _
lpRect As RECT, ByVal wFormat As Long) As Long
Private Declare Function SetTextColor Lib "gdi32" (ByVal hDC As Long, _
ByVal crColor As Long) As Long
Private Declare Function SetBkMode Lib "gdi32" (ByVal hDC As Long, _
ByVal nBkMode As Long) As Long
Private Const TRANSPARENT = 1

Private Const DT_CENTER = &H1
Public Enum TextVAligns
DT_VCENTER = &H4
DT_BOTTOM = &H8
End Enum
Private Const DT_SINGLELINE = &H20

Private Sub DrawButton(ByVal hWnd As Long, ByVal hDC As Long, _
rct As RECT, ByVal nState As Long)

Dim s As String
Dim va As TextVAligns

va = GetProp(hWnd, "VBTVAlign")

'Prepare DC for drawing
SetBkMode hDC, TRANSPARENT
SetTextColor hDC, GetProp(hWnd, "VBTForeColor")

'Prepare a text buffer
s = String$(255, 0)
'What should we print on the button?
GetWindowText hWnd, s, 255
'Trim off nulls
s = Left$(s, InStr(s, Chr$(0)) - 1)

If va = DT_BOTTOM Then
'Adjust specially for VB's CommandButton control
rct.Bottom = rct.Bottom - 4
End If

If (nState And ODS_SELECTED) = ODS_SELECTED Then
'Button is in down state - offset
'the text
rct.Left = rct.Left + 1
rct.Right = rct.Right + 1
rct.Bottom = rct.Bottom + 1
rct.Top = rct.Top + 1
End If

DrawText hDC, s, Len(s), rct, DT_CENTER Or DT_SINGLELINE _
Or va

End Sub

Public Function ExtButtonProc(ByVal hWnd As Long, _
ByVal wMsg As Long, ByVal wParam As Long, _
ByVal lParam As Long) As Long

Dim lOldProc As Long
Dim di As DRAWITEMSTRUCT

lOldProc = GetProp(hWnd, "ExtBtnProc")

ExtButtonProc = CallWindowProc(lOldProc, hWnd, wMsg, wParam, lParam)

If wMsg = WM_DRAWITEM Then
CopyMemory di, ByVal lParam, Len(di)
If di.CtlType = ODT_BUTTON Then
If GetProp(di.hwndItem, "VBTCustom") = 1 Then
DrawButton di.hwndItem, di.hDC, di.rcItem, _
di.itemState

End If

End If

ElseIf wMsg = WM_DESTROY Then
ExtButtonUnSubclass hWnd

End If

End Function

Public Sub ExtButtonSubclass(hWndForm As Long)

Dim l As Long

l = GetProp(hWndForm, "ExtBtnProc")
If l <> 0 Then
'Already subclassed
Exit Sub
End If

SetProp hWndForm, "ExtBtnProc", _
GetWindowLong(hWndForm, GWL_WNDPROC)
SetWindowLong hWndForm, GWL_WNDPROC, AddressOf ExtButtonProc

End Sub

Public Sub ExtButtonUnSubclass(hWndForm As Long)

Dim l As Long

l = GetProp(hWndForm, "ExtBtnProc")
If l = 0 Then
'Isn't subclassed
Exit Sub
End If

SetWindowLong hWndForm, GWL_WNDPROC, l
RemoveProp hWndForm, "ExtBtnProc"

End Sub

Public Sub SetButtonForecolor(ByVal hWnd As Long, _
ByVal lForeColor As Long, _
Optional ByVal VAlign As TextVAligns = DT_VCENTER)

Dim hWndParent As Long

hWndParent = GetParent(hWnd)
If GetProp(hWndParent, "ExtBtnProc") = 0 Then
ExtButtonSubclass hWndParent
End If

SetProp hWnd, "VBTCustom", 1
SetProp hWnd, "VBTForeColor", lForeColor
SetProp hWnd, "VBTVAlign", VAlign

End Sub

Public Sub RemoveButton(ByVal hWnd As Long)

RemoveProp hWnd, "VBTCustom"
RemoveProp hWnd, "VBTForeColor"
RemoveProp hWnd, "VBTVAlign"

End Sub

Private Sub Form_Load()
SetButtonForecolor Command1.hWnd, vbBlue
End Sub

Private Sub Command2_Click()
RemoveButton Command1.hWnd
Command1.Refresh
End Sub