Change the ForeColor of the text in a command button. Option ExplicitPrivate Type RECT Left As Long Top As Long Right As Long Bottom As Long End TypePrivate Declare Function GetParent Lib "user32" _ (ByVal hWnd As Long) As LongPrivate 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 LongPrivate 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 LongPrivate Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" _ (Destination As Any, Source As Any, ByVal Length As Long)注释:Owner draw constants Private Const ODT_BUTTON = 4 Private Const ODS_SELECTED = &H1 注释:Window messages we注释:re using Private Const WM_DESTROY = &H2 Private Const WM_DRAWITEM = &H2BPrivate 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 TypePrivate Declare Function GetWindowText Lib "user32" Alias _ "GetWindowTextA" (ByVal hWnd As Long, ByVal lpString As String, _ ByVal cch As Long) As Long 注释: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 = 1Private 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 TextVAlignsva = GetProp(hWnd, "VBTVAlign")注释:Prepare DC for drawing SetBkMode hDC, TRANSPARENT SetTextColor hDC, GetProp(hWnd, "VBTForeColor")注释:Prepare a text buffer s = String$(255, 0) 注释:What should we print on the button? GetWindowText hWnd, s, 255 注释:Trim off nulls s = Left$(s, InStr(s, Chr$(0)) - 1)If va = DT_BOTTOM Then 注释:Adjust specially for VB注释:s CommandButton control rct.Bottom = rct.Bottom - 4 End IfIf (nState And ODS_SELECTED) = ODS_SELECTED Then 注释:Button is in down state - offset 注释:the text rct.Left = rct.Left + 1 rct.Right = rct.Right + 1 rct.Bottom = rct.Bottom + 1 rct.Top = rct.Top + 1 End IfDrawText hDC, s, Len(s), rct, DT_CENTER Or DT_SINGLELINE _ Or vaEnd SubPublic Function ExtButtonProc(ByVal hWnd As Long, _ ByVal wMsg As Long, ByVal wParam As Long, _ ByVal lParam As Long) As LongDim lOldProc As Long Dim di As DRAWITEMSTRUCTlOldProc = 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.itemStateEnd IfEnd IfElseIf wMsg = WM_DESTROY Then ExtButtonUnSubclass hWndEnd IfEnd FunctionPublic Sub ExtButtonSubclass(hWndForm As Long)Dim l As Longl = GetProp(hWndForm, "ExtBtnProc") If l <> 0 Then 注释:Already subclassed Exit Sub End IfSetProp hWndForm, "ExtBtnProc", _ GetWindowLong(hWndForm, GWL_WNDPROC) SetWindowLong hWndForm, GWL_WNDPROC, AddressOf ExtButtonProcEnd SubPublic Sub ExtButtonUnSubclass(hWndForm As Long)Dim l As Longl = GetProp(hWndForm, "ExtBtnProc") If l = 0 Then 注释:Isn注释:t subclassed Exit Sub End IfSetWindowLong hWndForm, GWL_WNDPROC, l RemoveProp hWndForm, "ExtBtnProc"End SubPublic Sub SetButtonForecolor(ByVal hWnd As Long, _ ByVal lForeColor As Long, _ Optional ByVal VAlign As TextVAligns = DT_VCENTER)Dim hWndParent As LonghWndParent = GetParent(hWnd) If GetProp(hWndParent, "ExtBtnProc") = 0 Then ExtButtonSubclass hWndParent End IfSetProp hWnd, "VBTCustom", 1 SetProp hWnd, "VBTForeColor", lForeColor SetProp hWnd, "VBTVAlign", VAlignEnd SubPublic Sub RemoveButton(ByVal hWnd As Long)RemoveProp hWnd, "VBTCustom" RemoveProp hWnd, "VBTForeColor" RemoveProp hWnd, "VBTVAlign"End Sub To use this, set the target command button注释:s Style property to 1 - GraphicalEXAMPLES:To set command button forecolor(doesn注释:t have to be in form_load)Private Sub Form_Load() SetButtonForecolor Command1.Hwnd, vbBlue End SubThat will set Command1注释:s Forecolor to BlueTo remove the color(can be put anywhere)Private Sub Command2_Click() RemoveButton Command1.Hwnd Command1.Refresh End Sub
添加Microsoft Forms 2.0 Object Library控件组,其中的commandbutton可以自由设置文字颜色。
作者:不详 --------------------------------------------------------------------------------
Change the ForeColor of the text in a command button.
Option ExplicitPrivate Type RECT
Left As Long
Top As Long
Right As Long
Bottom As Long
End TypePrivate Declare Function GetParent Lib "user32" _
(ByVal hWnd As Long) As LongPrivate 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 LongPrivate 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 LongPrivate Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" _
(Destination As Any, Source As Any, ByVal Length As Long)注释:Owner draw constants
Private Const ODT_BUTTON = 4
Private Const ODS_SELECTED = &H1
注释:Window messages we注释:re using
Private Const WM_DESTROY = &H2
Private Const WM_DRAWITEM = &H2BPrivate 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 TypePrivate Declare Function GetWindowText Lib "user32" Alias _
"GetWindowTextA" (ByVal hWnd As Long, ByVal lpString As String, _
ByVal cch As Long) As Long
注释: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 = 1Private 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 TextVAlignsva = GetProp(hWnd, "VBTVAlign")注释:Prepare DC for drawing
SetBkMode hDC, TRANSPARENT
SetTextColor hDC, GetProp(hWnd, "VBTForeColor")注释:Prepare a text buffer
s = String$(255, 0)
注释:What should we print on the button?
GetWindowText hWnd, s, 255
注释:Trim off nulls
s = Left$(s, InStr(s, Chr$(0)) - 1)If va = DT_BOTTOM Then
注释:Adjust specially for VB注释:s CommandButton control
rct.Bottom = rct.Bottom - 4
End IfIf (nState And ODS_SELECTED) = ODS_SELECTED Then
注释:Button is in down state - offset
注释:the text
rct.Left = rct.Left + 1
rct.Right = rct.Right + 1
rct.Bottom = rct.Bottom + 1
rct.Top = rct.Top + 1
End IfDrawText hDC, s, Len(s), rct, DT_CENTER Or DT_SINGLELINE _
Or vaEnd SubPublic Function ExtButtonProc(ByVal hWnd As Long, _
ByVal wMsg As Long, ByVal wParam As Long, _
ByVal lParam As Long) As LongDim lOldProc As Long
Dim di As DRAWITEMSTRUCTlOldProc = 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.itemStateEnd IfEnd IfElseIf wMsg = WM_DESTROY Then
ExtButtonUnSubclass hWndEnd IfEnd FunctionPublic Sub ExtButtonSubclass(hWndForm As Long)Dim l As Longl = GetProp(hWndForm, "ExtBtnProc")
If l <> 0 Then
注释:Already subclassed
Exit Sub
End IfSetProp hWndForm, "ExtBtnProc", _
GetWindowLong(hWndForm, GWL_WNDPROC)
SetWindowLong hWndForm, GWL_WNDPROC, AddressOf ExtButtonProcEnd SubPublic Sub ExtButtonUnSubclass(hWndForm As Long)Dim l As Longl = GetProp(hWndForm, "ExtBtnProc")
If l = 0 Then
注释:Isn注释:t subclassed
Exit Sub
End IfSetWindowLong hWndForm, GWL_WNDPROC, l
RemoveProp hWndForm, "ExtBtnProc"End SubPublic Sub SetButtonForecolor(ByVal hWnd As Long, _
ByVal lForeColor As Long, _
Optional ByVal VAlign As TextVAligns = DT_VCENTER)Dim hWndParent As LonghWndParent = GetParent(hWnd)
If GetProp(hWndParent, "ExtBtnProc") = 0 Then
ExtButtonSubclass hWndParent
End IfSetProp hWnd, "VBTCustom", 1
SetProp hWnd, "VBTForeColor", lForeColor
SetProp hWnd, "VBTVAlign", VAlignEnd SubPublic Sub RemoveButton(ByVal hWnd As Long)RemoveProp hWnd, "VBTCustom"
RemoveProp hWnd, "VBTForeColor"
RemoveProp hWnd, "VBTVAlign"End Sub
To use this, set the target command button注释:s Style property to 1 - GraphicalEXAMPLES:To set command button forecolor(doesn注释:t have to be in form_load)Private Sub Form_Load()
SetButtonForecolor Command1.Hwnd, vbBlue
End SubThat will set Command1注释:s Forecolor to BlueTo remove the color(can be put anywhere)Private Sub Command2_Click()
RemoveButton Command1.Hwnd
Command1.Refresh
End Sub
不知道VB的BUTTON按钮的图片属性是干什么用的?
你设好了图片属性,再设字体颜色和背景颜色看看是什么效果!!
:P
要写那么长的代码/不是吧
还是用属性好了