本來有個(gè)屬性FlatStyle設(shè)置為Popup基本上能實(shí)現(xiàn)這個(gè)情況,怎奈有個(gè)線框怎么也弄不掉。FlatAppearance.BorderSize設(shè)置為0不起作用,只對(duì)Flat有用,所以用代碼在Flat和Popup兩種風(fēng)格之間切換。
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'在鼠標(biāo)進(jìn)入時(shí)設(shè)置為浮雕風(fēng)格
Private Sub Button1_MouseEnter(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.MouseEnter
Button1.FlatStyle = FlatStyle.Popup
End Sub
'離開時(shí)設(shè)置為平面風(fēng)格,這樣像標(biāo)簽一樣只剩下文字,當(dāng)然要FlatAppearance.BorderSize設(shè)置為0
Private Sub Button1_MouseLeave(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.MouseLeave
Button1.FlatStyle = FlatStyle.Flat
End Sub
'另外把UseVisualStyleBackColor 設(shè)置為 False也會(huì)好看一點(diǎn)。
這個(gè)好辦??!在form1 keydown事件中輸入if e.keycode=keys.F1 then
加語句即可!!
新建一個(gè)Form1把Form1的KeyPreview改成True
拖入一個(gè)Button1到Form1上面
然后加入以下代碼
Private Sub Form1_KeyDown(sender As Object, e As KeyEventArgs) Handles Me.KeyDown
If e.KeyData = (Keys.Alt Or Keys.G) Then
Button1.PerformClick() '或者用Button1_Click(Nothing, New EventArgs)
'快捷鍵Alt+G觸發(fā)Button1_Click()事件。
End If
End Sub
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
Button1.Size = New Size(180, 23)
Button1.Text = "我被局部快捷鍵給召喚了~"
End Sub
ToolStripMenuItem.ShortcutKeys 屬性
獲取或設(shè)置與 ToolStripMenuItem 關(guān)聯(lián)的快捷鍵。
使用 ShortcutKeys 屬性可以將組合鍵分配給菜單命令,例如,將 Ctrl+C 分配給“復(fù)制”命令。 您可以使用快捷鍵而不使用訪問鍵,也可以同時(shí)使用快捷鍵和訪問鍵,訪問鍵是菜單或菜單項(xiàng)中與 Alt 鍵一起使用的帶下劃線的字母。 通過在要用于訪問鍵的字母前面鍵入一個(gè)“and”符 (),可以在代碼中定義訪問鍵。
用API函數(shù),以下代碼Private Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long) As LongPrivate Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long
Private Declare Function SetLayeredWindowAttributes Lib "user32" (ByVal hwnd As Long, ByVal crKey As Long, ByVal bAlpha As Byte, ByVal dwFlags As Long) As LongPrivate Const WS_EX_LAYERED = H80000
Private Const GWL_EXSTYLE = (-20)
Private Const LWA_ALPHA = H2
Private Const LWA_COLORKEY = H1Private Declare Function SetWindowPos Lib "user32" (ByVal hwnd As Long, ByVal hWndInsertAfter As Long, ByVal X As Long, ByVal Y As Long, ByVal cx As Long, ByVal cy As Long, ByVal wFlags As Long) As Long
Private Const HWND_TOPMosT = -1
Private Const SWP_NOMOVE = H2
Private Const SWP_NosIZE = H1
Private Declare Function GetForegroundWindow Lib "user32" () As Long
Private Declare Function PostMessage Lib "user32" Alias "PostMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long
Const WM_KEYDOWN = H100
Const WM_KEYUP = H101
Const WM_CHAR = H102
Const VK_F1 = H70
Private Sub SendF1(hwnd) '調(diào)用這個(gè)過程即可對(duì)目標(biāo)窗體發(fā)送F1鍵
Call PostMessage(hwnd, WM_KEYDOWN, VK_F1, 0)
Call PostMessage(hwnd, WM_KEYUP, VK_F1, 0)
End Sub這里是發(fā)送F1的實(shí)例,各個(gè)按鍵對(duì)應(yīng)的虛擬鍵碼,要到網(wǎng)上查
本文標(biāo)題:vbnet按鍵設(shè)置 vbnet輸入輸出方法
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