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将按钮添加到VB.NET&标题栏中的标题栏（如Firefox 4） XP或Vista / 7上的WPF或WinForms

本文介绍了将按钮添加到VB.NET&标题栏中的标题栏（如Firefox 4） XP或Vista / 7上的WPF或WinForms的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我想知道是否可以在vb.net的标题栏中添加一个按钮 - 我找到了一种方法来做到这一点，但它可以做到这两个？



下面是禁用Aero时的工作代码（导入System.RunTime.InteropServices）： 

  Private Const WM_NCPAINT As Integer = 133 
 Private Const WM_NCMOUSEMOVE As Integer = 160 
 Private Const WM_NCLBUTTONDOWN As Integer = 161 
 Private Const WM_NCLBUTTONUP As Integer = 162 
 Private Const WM_NCLBUTTONDBLCLK As Integer = 163 
 Private Const WM_NCACTIVATE As Integer = 134 
 Private Const WM_NCMOUSELEAVE As Integer = 674 
 
 Private TitleBarButtonRectangle As Rectangle 
 Private TitleBarButtonState As ButtonState 
私人TitleBarMouseIsDown为布尔
 
私人枚举ButtonState作为字节
正常
热
按
结束枚举
 
 
 
 
受保护的覆盖子WndProc（ByRef m As System.Windows.Forms.Me ssage）
'在这里处理非客户区消息。 
 
选择大小写m.Msg 
 
大小写WM_NCPAINT，WM_NCACTIVATE，WM_NCMOUSELEAVE 
'处理消息并重置< strong class =highlight>按钮< /强>到正常状态
'并绘制它。这将绘制最初的< strong class =highlight>按钮< / strong>并重新绘制
'如果标题栏需要更新油漆。 
 MyBase.WndProc（m）
 TitleBarButtonState = ButtonState.Normal 
 TitleBarMouseIsDown = False 
 DrawButton（TitleBarButtonState）
 
 Case WM_NCMOUSEMOVE 
'The鼠标正在移动到非客户区域。 
 
如果TitleBarButtonRectangle.Contains（GetNonClientPoint（CInt（m.LParam）））然后
'鼠标位于< strong class =highlight>按钮< / strong> 
'如果鼠标已经关闭，那么就按下它，如果不是已经关闭的话
'如果鼠标没有关闭，那么把它拉如果不是已经是
 If TitleBarMouseIsDown Then 
如果TitleBarButtonState< > ButtonState.Pressed Then 
 TitleBarButtonState = ButtonState.Pressed 
 DrawButton（TitleBarButtonState）
 End If 
其他
如果TitleBarButtonState<> ButtonState.Hot然后
 TitleBarButtonState = ButtonState.Hot 
 DrawButton（TitleBarButtonState）
结束如果
结束如果
 
其他
'鼠标是不在< strong class =高亮>按钮< / strong> ;. 
'当鼠标移动到< strong class =highlight>按钮< / strong>时，它将被重新按下。 
 
'否则，如果它还没有绘制正常。 
如果TitleBarMouseIsDown Then 
如果TitleBarButtonState<> ButtonState.Hot Then 
 TitleBarButtonState = ButtonState.Hot 
 DrawButton（TitleBarButtonState）
 End If 
 Else 
如果TitleBarButtonState<> ButtonState.Normal Then 
 TitleBarButtonState = ButtonState.Normal 
 DrawButton（TitleBarButtonState）
 End If 
 
 End If 
 
 End If 
 
'当鼠标关闭并离开窗口
'时，它将保持热或按下状态。当
'鼠标放在窗口外面并移动时，
'会收到一条消息来重画。 
 
'处理所有的鼠标移动。 
 MyBase.WndProc（m）
 
 Case WM_NCLBUTTONDOWN 
'鼠标左键< strong class =highlight>按钮< / strong>已经在非客户区域被扣下
 
'如果鼠标位于< strong class =highlight>按钮< / strong>然后将其状态更改为按
'并重新绘制。保存鼠标关闭。 
如果TitleBarButtonRectangle.Contains（GetNonClientPoint（CInt（m.LParam）））然后
 TitleBarButtonState = ButtonState.Pressed 
 DrawButton（TitleBarButtonState）
 TitleBarMouseIsDown = True 
否
'会处理在非客户端
'区域中点击的消息，但不会在< strong class =highlight>按钮< / strong>中进行处理。 
 MyBase.WndProc（m）
结束如果
 
 
案例WM_NCLBUTTONUP 
鼠标在非客户区被释放
 
如果TitleBarMouseIsDown AndAlso TitleBarButtonRectangle.Contains（GetNonClientPoint（CInt（m.LParam）））然后
'鼠标已关闭，鼠标位于< strong class =highlight>按钮< / strong> 。 
'已被按下。 
 TitleBarButtonState = ButtonState.Hot 
 DrawButton（TitleBarButtonState）
 MsgBox（标题栏按钮被点击）
 
其他
'处理消息并重置< strong class =highlight>按钮< / strong>如果还没有正常的话。 
 MyBase.WndProc（m）
 
如果TitleBarButtonState<> ButtonState.Normal然后
 TitleBarButtonState = ButtonState.Normal 
 DrawButton（TitleBarButtonState）
结束如果
 
结束如果
 
'重置鼠标下降
 TitleBarMouseIsDown = False 
 
 Case WM_NCLBUTTONDBLCLK 
'鼠标在非客户区被双击。 
 
'如果光标位于< strong class =highlight>按钮< / strong>那么不要处理双击
'如果处理了，表单将改变窗口状态。 
如果不是TitleBarButtonRectangle.Contains（GetNonClientPoint（CInt（m.LParam）））Then 
 MyBase.WndProc（m）
 End If 
 
 Case else 
 
'处理常规信息
 MyBase.WndProc（m）
 
结束选择
 
结束小组
 
私有函数GetNonClientPoint（ByVal lParam As Integer）As 
'lparam中的lo字是x坐标，hi字是y。 
'坐标在屏幕坐标中，所以减去
'表单的位置以获取< / strong>的位置< strong class =highlight>标题栏。这将不得不调整。 
'< / strong>< / strong>会有< strong class =highlight> mdi表单。 
 Dim ScreenPoint作为新的点（CInt（lParam和Short.MaxValue），CInt（lParam>> 16））
返回ScreenPoint  -  CType（Me.Location，Size）
 End Function 
 
 Private Sub DrawButton（ByVal buttonState As ButtonState）
'获取整个窗口的图形。 
'绘制视觉风格< strong class =高亮>按钮< / strong> ;. 
'在这里绘制自己的图形。 
'如果使用视觉样式渲染器，那么如果渲染器不是
'，则需要
'任何替代绘图模式。 ControlPaint会绘制< strong class =highlight>按钮< / strong>没有
的视觉风格。 
 
 DimStrFrmt As New StringFormat 
 StrFrmt.LineAlignment = StringAlignment.Center 
 StrFrmt.Alignment = StringAlignment.Center 
 StrFrmt.FormatFlags = StringFormatFlags.NoWrap 
 StrFrmt.Trimming = StringTrimming.EllipsisCharacter 
 
 Select Case buttonState 
 Case Form1.ButtonState .Normal 
 If VisualStyles.VisualStyleRenderer.IsSupported Then 
 Dim VisualRenderer As New VisualStyles.VisualStyleRenderer（VisualStyles.VisualStyleElement.Button.PushButton.Normal）
 VisualRenderer.DrawBackground（EntireWindowGraphics，T​​itleBarButtonRectangle）
另外
 ControlPaint.DrawButton（EntireWindowGraphics，T​​itleBarButtonRectangle，Windows.Forms.ButtonState.Normal）
 End If 
 
 Case Form1.ButtonState.Hot 
如果VisualS tyles.VisualStyleRenderer.IsSupported Then 
 Dim VisualRenderer As New VisualStyles.VisualStyleRenderer（VisualStyles.VisualStyleElement.Button.PushButton.Hot）
 VisualRenderer.DrawBackground（EntireWindowGraphics，T​​itleBarButtonRectangle）
其他
 ControlPaint .DrawButton（EntireWindowGraphics，T​​itleBarButtonRectangle，Windows.Forms.ButtonState.Normal）
 End If 
 
 Case Form1.ButtonState.Pressed 
如果VisualStyles.VisualStyleRenderer.IsSupported那么
 Dim VisualRenderer As New VisualStyles.VisualStyleRenderer（VisualStyles.VisualStyleElement.Button.PushButton.Pressed）
 VisualRenderer.DrawBackground（EntireWindowGraphics，T​​itleBarButtonRectangle）
 Else 
 ControlPaint.DrawButton（EntireWindowGraphics，T​​itleBarButtonRectangle，Windows.Forms .ButtonState.Pushed）
 End If 
 
 End Sele ct 
 
 EntireWindowGraphics.TextRenderingHint = Drawing.Text.TextRenderingHint.ClearTypeGridFit 
 EntireWindowGraphics.DrawString（Click Me，Me.Font，Brushes.Black，TitleBarButtonRectangle，StrFrmt）
 EntireWindowGraphics .Dispose（）
 StrFrmt.Dispose（）
结束Sub 
 
 Private Sub SizeButton（）
'这是硬编码的一个相当大的3D窗口边界。 
'systemInformation类的其他属性可以为固定边界和单边界调整
'。 
'SystemInformation.BorderSize 
'SystemInformation.FixedFrameBorderSize 
 
'如果窗口被最大化，那么它的尺寸边框将不会显示
'，所以y被设置为边框和< strong class =高亮>按钮的高度< / strong> 
'被设置为标题高度。如果其未被最大化，则将y设置为
'0，并且将< strong class =highlight>按钮< / strong>高度设置为标题高度加边框尺寸。 
如果Me.WindowState = FormWindowState.Normal然后
 TitleBarButtonRectangle.Y = 0 
 TitleBarButtonRectangle.Height = SystemInformation.CaptionHeight + SystemInformation.Horizo​​ntalResizeBorderThickness 
其他
 TitleBarButtonRectangle.Y = SystemInformation.Horizo​​ntalResizeBorderThickness 
 TitleBarButtonRectangle.Height = SystemInformation.CaptionHeight 
 End If 
 End Sub 
 $ b Private Sub Form1_SizeChanged（ByVal sender As Object，ByVal e As System.EventArgs）处理Me.SizeChanged 
'更改< strong class =highlight>按钮< / strong>的大小。 
'可能已被最大化或标准化
 SizeButton（）
 End Sub 
 
'获取整个窗口的图形。 
< DllImport（user32.dll）>公共共享函数GetWindowDC（ByVal hWnd As IntPtr）作为IntPtr 
结束函数
 
私人小组Form1_Load（BYVAL发件人作为对象，BYVAL e作为System.EventArgs）处理Me.Load 
 TitleBarButtonRectangle = New Rectangle（30，0，75，25）
 
 SizeButton（）
 
 End Sub 
   
 
 
任何人都有一个想法？  
 
解决方案
轻松使用 
 
 
  
I was wondering if it is possible to add a button to the title bar in vb.net - I found a way to do this in one or the other but is it possible to do it on both?



Here is the code that works if Aero is disabled (imports System.RunTime.InteropServices):
Private Const WM_NCPAINT As Integer = 133
Private Const WM_NCMOUSEMOVE As Integer = 160
Private Const WM_NCLBUTTONDOWN As Integer = 161
Private Const WM_NCLBUTTONUP As Integer = 162
Private Const WM_NCLBUTTONDBLCLK As Integer = 163
Private Const WM_NCACTIVATE As Integer = 134
Private Const WM_NCMOUSELEAVE As Integer = 674

Private TitleBarButtonRectangle As Rectangle
Private TitleBarButtonState As ButtonState
Private TitleBarMouseIsDown As Boolean

Private Enum ButtonState As Byte
    Normal
    Hot
    Pressed
End Enum




Protected Overrides Sub WndProc(ByRef m As System.Windows.Forms.Message)
    'Process the non client area messages here.

    Select Case m.Msg

        Case WM_NCPAINT, WM_NCACTIVATE, WM_NCMOUSELEAVE
            'process the message and reset the <strong class="highlight">button</strong> to the normal state
            'and draw it. This will draw the initial <strong class="highlight">button</strong> and repaint it
            'if the title bar needs a paint update.
            MyBase.WndProc(m)
            TitleBarButtonState = ButtonState.Normal
            TitleBarMouseIsDown = False
            DrawButton(TitleBarButtonState)

        Case WM_NCMOUSEMOVE
            'The mouse is moving in the non client area.

            If TitleBarButtonRectangle.Contains(GetNonClientPoint(CInt(m.LParam))) Then
                'the mouse is in the <strong class="highlight">button</strong>
                'If the mouse is down then draw it pressed if not already
                'If the mouse is not down then draw it hot if not already
                If TitleBarMouseIsDown Then
                    If TitleBarButtonState <> ButtonState.Pressed Then
                        TitleBarButtonState = ButtonState.Pressed
                        DrawButton(TitleBarButtonState)
                    End If
                Else
                    If TitleBarButtonState <> ButtonState.Hot Then
                        TitleBarButtonState = ButtonState.Hot
                        DrawButton(TitleBarButtonState)
                    End If
                End If

            Else
                'The mouse is not in the <strong class="highlight">button</strong>.
                'If the mouse is down then draw it hot, when the
                'mouse moves back into the <strong class="highlight">button</strong> it will be redrawn pressed.

                'Otherwise draw it normal if its not already.
                If TitleBarMouseIsDown Then
                    If TitleBarButtonState <> ButtonState.Hot Then
                        TitleBarButtonState = ButtonState.Hot
                        DrawButton(TitleBarButtonState)
                    End If
                Else
                    If TitleBarButtonState <> ButtonState.Normal Then
                        TitleBarButtonState = ButtonState.Normal
                        DrawButton(TitleBarButtonState)
                    End If

                End If

            End If

            'When the mouse is down and it leaves the window 
            'it will remain in its hot or pressed state. when the
            'mouse is let up outside the window and moved it will 
            'recieve a message to repaint.

            'Process all the mouse moves.
            MyBase.WndProc(m)

        Case WM_NCLBUTTONDOWN
            'Left mouse <strong class="highlight">button</strong> has been held down in the non client area

            'If the mouse is inside the <strong class="highlight">button</strong> then change its state to pressed
            'and redraw it.  Store that the mouse is down.
            If TitleBarButtonRectangle.Contains(GetNonClientPoint(CInt(m.LParam))) Then
                TitleBarButtonState = ButtonState.Pressed
                DrawButton(TitleBarButtonState)
                TitleBarMouseIsDown = True
            Else
                'process the message it was clicked somewhere in the non client
                'area but not in the <strong class="highlight">button</strong>.
                MyBase.WndProc(m)
            End If


        Case WM_NCLBUTTONUP
            'Mouse is being released in the non client area

            If TitleBarMouseIsDown AndAlso TitleBarButtonRectangle.Contains(GetNonClientPoint(CInt(m.LParam))) Then
                'The mouse was down and the mouse is in the <strong class="highlight">button</strong>.
                'It has been pressed.
                TitleBarButtonState = ButtonState.Hot
                DrawButton(TitleBarButtonState)
                MsgBox("The Titlebar button was clicked")

            Else
                'Process the message and reset the <strong class="highlight">button</strong> to normal if its not already.
                MyBase.WndProc(m)

                If TitleBarButtonState <> ButtonState.Normal Then
                    TitleBarButtonState = ButtonState.Normal
                    DrawButton(TitleBarButtonState)
                End If

            End If

            'Reset that the mouse is down
            TitleBarMouseIsDown = False

        Case WM_NCLBUTTONDBLCLK
            'Mouse has been double clicked in the non client area.

            'If the cursor is in the <strong class="highlight">button</strong> then don't process the double click
            'If processed the form will change window states.
            If Not TitleBarButtonRectangle.Contains(GetNonClientPoint(CInt(m.LParam))) Then
                MyBase.WndProc(m)
            End If

        Case Else

            'Process the regular messages
            MyBase.WndProc(m)

    End Select

End Sub

Private Function GetNonClientPoint(ByVal lParam As Integer) As Point
    'The lo word in the lparam is the x coordinate and the hi word is the y.
    'The coordinates are in screen coordinates so subtract the location of the
    'form to get the location <strong class="highlight">on</strong> the title bar.  This will have to be adjusted.
    'There will be issues <strong class="highlight">on</strong> mdi forms.
    Dim ScreenPoint As New Point(CInt(lParam And Short.MaxValue), CInt(lParam >> 16))
    Return ScreenPoint - CType(Me.Location, Size)
End Function

Private Sub DrawButton(ByVal buttonState As ButtonState)
    'Gets the graphics to the entire window.
    'Draws a visual style <strong class="highlight">button</strong>.
    'Draw your own graphics here.
    'If using the visual style renderer then you will need
    'any alternate drawing mode in case the renderer is not
    'supported.  ControlPaint will draw a <strong class="highlight">button</strong> without 
    'visual styles.

    Dim EntireWindowGraphics As Graphics = Graphics.FromHdc(GetWindowDC(Me.Handle))

    Dim StrFrmt As New StringFormat
    StrFrmt.LineAlignment = StringAlignment.Center
    StrFrmt.Alignment = StringAlignment.Center
    StrFrmt.FormatFlags = StringFormatFlags.NoWrap
    StrFrmt.Trimming = StringTrimming.EllipsisCharacter

    Select Case buttonState
        Case Form1.ButtonState.Normal
            If VisualStyles.VisualStyleRenderer.IsSupported Then
                Dim VisualRenderer As New VisualStyles.VisualStyleRenderer(VisualStyles.VisualStyleElement.Button.PushButton.Normal)
                VisualRenderer.DrawBackground(EntireWindowGraphics, TitleBarButtonRectangle)
            Else
                ControlPaint.DrawButton(EntireWindowGraphics, TitleBarButtonRectangle, Windows.Forms.ButtonState.Normal)
            End If

        Case Form1.ButtonState.Hot
            If VisualStyles.VisualStyleRenderer.IsSupported Then
                Dim VisualRenderer As New VisualStyles.VisualStyleRenderer(VisualStyles.VisualStyleElement.Button.PushButton.Hot)
                VisualRenderer.DrawBackground(EntireWindowGraphics, TitleBarButtonRectangle)
            Else
                ControlPaint.DrawButton(EntireWindowGraphics, TitleBarButtonRectangle, Windows.Forms.ButtonState.Normal)
            End If

        Case Form1.ButtonState.Pressed
            If VisualStyles.VisualStyleRenderer.IsSupported Then
                Dim VisualRenderer As New VisualStyles.VisualStyleRenderer(VisualStyles.VisualStyleElement.Button.PushButton.Pressed)
                VisualRenderer.DrawBackground(EntireWindowGraphics, TitleBarButtonRectangle)
            Else
                ControlPaint.DrawButton(EntireWindowGraphics, TitleBarButtonRectangle, Windows.Forms.ButtonState.Pushed)
            End If

    End Select

    EntireWindowGraphics.TextRenderingHint = Drawing.Text.TextRenderingHint.ClearTypeGridFit
    EntireWindowGraphics.DrawString("Click Me", Me.Font, Brushes.Black, TitleBarButtonRectangle, StrFrmt)
    EntireWindowGraphics.Dispose()
    StrFrmt.Dispose()
End Sub

Private Sub SizeButton()
    'This is hard coded for a sizable 3d window border.
    'Other properties of the systemInformation class can
    'adjust for fixed and single borders.
    'SystemInformation.BorderSize
    'SystemInformation.FixedFrameBorderSize

    'if the window is maximized then its sizing border will not be
    'displayed so the y is set to the bordersize and the height of the <strong class="highlight">button</strong>
    'is set to the caption height.  If its not maximized the y is set to
    '0 and the <strong class="highlight">button</strong> height is set to the caption height plus the border size.
    If Me.WindowState = FormWindowState.Normal Then
        TitleBarButtonRectangle.Y = 0
        TitleBarButtonRectangle.Height = SystemInformation.CaptionHeight + SystemInformation.HorizontalResizeBorderThickness
    Else
        TitleBarButtonRectangle.Y = SystemInformation.HorizontalResizeBorderThickness
        TitleBarButtonRectangle.Height = SystemInformation.CaptionHeight
    End If
End Sub

Private Sub Form1_SizeChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.SizeChanged
    'Change the size of the <strong class="highlight">button</strong>.
    'May have been maximized or normalized
    SizeButton()
End Sub

'Gets the graphics to the entire window.
<DllImport("user32.dll")> Public Shared Function GetWindowDC(ByVal hWnd As IntPtr) As IntPtr
End Function

Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
    TitleBarButtonRectangle = New Rectangle(30, 0, 75, 25)

    SizeButton()

End Sub

But when Aero is disabled, the button doesn't appear, although it still fires an event if the area is clicked. 
Anyone have an idea?
 解决方案 
You can handle the task easily with the WPF Shell Integration Library
                        
这篇关于将按钮添加到VB.NET&amp;标题栏中的标题栏（如Firefox 4） XP或Vista / 7上的WPF或WinForms的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！
09-16 03:33
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