L�m th? n�o �? thay �?i ma�u n��n cho m?t h?nh th?c ph? huynh MDI, Visual Basic .net ho?c trong Visual Basic 2005

ID c?a b�i: 319417 - Xem s?n ph?m m� b�i n�y �p d?ng v�o.

Th�ng b�o: b�i vi?t n�y l� b�i ��?c d?ch b?i M�y d?ch

Nh?p chu?t v�o ��y �? hi?n th? b?n g?c Ti?ng anh v� b?n d?ch m�y theo ch? �? so s�nh.

Bung t?t c? | Thu g?n t?t c?

B�i vi?t b�?c n�y ch?ng t? l�m th? n�o �? l?p tr?nh c� th? thay �?i ma�u n��n cho m?t h?nh th?c ph? huynh nhi?u t�i li?u giao di?n (MDI) b?ng c�ch s? d?ng Visual Basic .net ho?c Visual Basic 2005.

Khi b?n s? d?ng m?t h?nh th?c Windows nh� l� m?t h?nh th?c ph? huynh MDI, c�c n?n ?ng d?ng m�u thi?t l?p ? Windows Control Panel, kh�ng thu?c t�nh c?a h?nh th?c BackgroundColor , x�c �?nh ma�u n��n c?a bi?u m?u. C�c b�?c sau ��y ch?ng minh l�m th? n�o �? l?p tr?nh c� th? thay �?i ma�u n��n c?a h?nh th?c ph? huynh MDI �?n m�u s?c kh�c.

T?o m?t ?ng d?ng Windows m?u b?ng c�ch s? d?ng Visual Basic .net ho?c Visual Basic 2005

T?o m?t ?ng d?ng m?i Visual Basic .net ho?c Visual Basic 2005 Windows. Form1 ��?c t?o ra theo m?c �?nh.

L�u ? M? n�n ��?c thay �?i trong Visual Basic 2005. N?u b?n t?o ra m?t bi��u m��u m��i t�n l� Form1 v�o n�m 2005 Visual Basic, b?n c� m?t t?p tin Form1.vb cho m? c?a b?n v� m?t t?p tin Form1.Designer.vb c� ch?a c�c ph?n t? �?ng t?o ra. C�c h?nh th?c Windows nh� thi?t k? s? d?ng c�c t? kh�a m?t ph?n �? th?c hi?n Form1 ph�n chia th�nh hai t?p tin ri�ng bi?t. H�nh vi n�y ng�n c?n c�c nh� thi?t k? ph�t ra m? ��?c xen k? v?i m? c?a b?n.

�? bi?t th�m chi ti?t v? m?i c?i ti?n ng�n ng? Visual Basic 2005, gh� th�m Web site sau c?a Microsoft:
http://MSDN.Microsoft.com/en-US/Library/ms379584 (vs.80) .aspx
(http://msdn.microsoft.com/en-us/library/ms379584(vs.80).aspx)
�? bi?t th�m chi ti?t v? c�c l?p h?c ph?n v� c�c nh� thi?t k? h?nh th?c Windows, gh� th�m Web site sau c?a Microsoft:
http://MSDN.Microsoft.com/en-US/Library/ms171843.aspx
(http://msdn.microsoft.com/en-us/library/ms171843.aspx)
B?m v�o c�c h?nh th?c, v� sau ��, v�o tr?nh ��n View , ch?n C?a s? Properties �? xem thu?c t�nh c?a c�c h?nh th?c.
Thi?t l?p c�c t�i s?n BackColor �? m�u s?c m� b?n mu?n (v� d? nh� robot).
Thi?t l?p c�c t�i s?n IsMDIContainer �? ��ng s? th?t. L�u ? r?ng ma�u n��n c?a c�c h?nh th?c �? thay �?i m�u s?c m�u n?n ?ng d?ng ��?c thi?t l?p �? trong Panel �i��u khi��n.
Thi?t l?p c�c t�i s?n WindowState �? Maximized.
B?m ��p v�o bi?u m?u �? xem c?a s? m? c?a n�.

D�n �o?n m? sau v�o b? B? x? l� bi?n c? t?i c�c h?nh th?c:

Dim ctl As Control
Dim ctlMDI As MdiClient

' Loop through all of the form's controls looking
' for the control of type MdiClient.
For Each ctl In Me.Controls
    Try
        ' Attempt to cast the control to type MdiClient.
        ctlMDI = CType(ctl, MdiClient)

        ' Set the BackColor of the MdiClient control.
        ctlMDI.BackColor = Me.BackColor

    Catch exc As InvalidCastException
        ' Catch and ignore the error if casting failed.
    End Try
Next

' Display a child form to show this is still an MDI application.
Dim frm As New Form2()
frm.MdiParent = Me
frm.Show()

Tr�n tr?nh ��n d? �n , nh?p Th�m Windows m?u.
Ch?p nh?n t�n m?c �?nh Form2.vb, v� sau �� nh?n Open.
Nh?n F5 �? ch?y c�c ?ng d?ng.

L�u ? r?ng c�c h?nh th?c ph? huynh MDI t?i v� c� m?t n?n m�u xanh �nh s�ng.

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THAM KH?O

MdiClient l?p

(http://msdn.microsoft.com/en-us/library/system.windows.forms.mdiclient.aspx)

B?t �?ng s?n Control.BackColor

(http://msdn.microsoft.com/en-us/library/system.windows.forms.control.backcolor.aspx)

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Thu?c t�nh

ID c?a b�i: 319417 - L?n xem x�t sau c�ng: 05 Tha�ng Ba�y 2012 - Xem x�t l?i: 3.0

�p d?ng

Microsoft Visual Basic .NET 2002 Standard Edition
Microsoft Visual Basic .NET 2003 Standard Edition
Microsoft Visual Basic 2005

kbvs2005swept kbvs2005applies kbhowtomaster kbmt KB319417 KbMtvi

M�y d?ch

QUAN TRO�NG: B�i vi?t n�y ��?c d?ch b?ng ph?n m?m d?ch m�y c?a Microsoft ch? kh�ng ph?i do con ng�?i d?ch. Microsoft cung c?p c�c b�i vi?t do con ng�?i d?ch v� c? c�c b�i vi?t do m�y d?ch �? b?n c� th? truy c?p v�o t?t c? c�c b�i vi?t trong C� s? Ki?n th?c c?a ch�ng t�i b?ng ng�n ng? c?a b?n. Tuy nhi�n, b�i vi?t do m�y d?ch kh�ng ph?i l�c n�o c?ng ho�n h?o. Lo?i b�i vi?t n�y c� th? ch?a c�c sai s�t v? t? v?ng, c� ph�p ho?c ng? ph�p, gi?ng nh� m?t ng�?i n�?c ngo�i c� th? m?c sai s�t khi n�i ng�n ng? c?a b?n. Microsoft kh�ng ch?u tr�ch nhi?m v? b?t k? s? thi?u ch�nh x�c, sai s�t ho?c thi?t h?i n�o do vi?c d?ch sai n?i dung ho?c do ho?t �?ng s? d?ng c?a kh�ch h�ng g�y ra. Microsoft c?ng th�?ng xuy�n c?p nh?t ph?n m?m d?ch m�y n�y.

Nh?p chu?t v�o ��y �? xem b?n ti?ng Anh c?a b�i vi?t n�y: 319417

(http://support.microsoft.com/kb/319417/en-us/ )

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