一、KeyPress事件
在窗體上畫一個控件(指前面所講的可以發生KeyPress事件的控件),並雙擊該控件,進入程序代碼窗口後,從“過程”框中選取KeyPress,即可定義KeyPress事件過程。一般格式為:
Private Sub Text1 _ KeyPress(KeyAscii As Integer)
End Sub
二、KeyDown和KeyUp事件
KeyDown和KeyUp事件的參數也有兩種形式,其中
Index As Integer
只用於控件數組,而
KeyCode As Integer,Shift As Integer
用於單個控件。
三、鼠標事件
為了實現鼠標操作,Visual Basic提供了3個過程模板:
(一)壓下鼠標鍵事件過程
Sub Form_MouseDown(Button As Integer,Shift As Integer,x As Single,y As Single)End Sub
(二)鬆開鼠標鍵事件過程
Sub Form_MouseUp(Button As Integer,Shift As Integer,x As Single,y As Single)End Sub
(三)移動鼠標光標事件過程
Sub Form_MouseMove(Button As Integer,Shift As Integer,x As Single,y As Single)End Sub