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Tip of the Day
Language: Visual Basic
Expertise: Intermediate
May 28, 1999

Move the Cursor to the Center

Use this simple subroutine to move the mouse/cursor to the center of an object. It's useful for tab-like functions and default settings:
 
Private Declare Function SetCursorPos& Lib _
	"user32" (ByVal x As Long, ByVal _
	y As Long)
Private Declare Function GetWindowRect& Lib _
	"user32" (ByVal hwnd As Long, lpRect _
	As Rect)

Private Type Rect
	left As Long
	top As Long
	right As Long
	bottom As Long
End Type

Public Sub SetMouseFocus(ByVal Obj As Object)
	Dim Rect As Rect

	'Get the bounding rectangle for window
	GetWindowRect Obj.hwnd, Rect

	'Set the cursor position to the center of the object
	SetCursorPos Rect.right - ((Rect.right - Rect.left) _
		/ 2), Rect.bottom - _
		((Rect.bottom - Rect.top) / 2)
End Sub
Here's an example:
 
Private Sub cmdQuit_Click()
	' Move Cursor to command button
	' "cmdAreYouSure"
	SetMouseFocus cmdAreYouSure
End Sub
Rich Myott
 
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