本文介绍了有没有办法用一个命令来改变'n'标签的颜色?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
Is there a way to change the color of 10 labels together with one command?
For example, instead of:
Label1.ForeColor = Color.Black
Label2.ForeColor = Color.Black
Label3.ForeColor = Color.Black
Label4.ForeColor = Color.Black
Label5.ForeColor = Color.Black
Label6.ForeColor = Color.Black
Label7.ForeColor = Color.Black
I would like to use only one command to change the ForeColor. For example, instead of Label1 it would be LabelX.
解决方案
You can just loop through all the controls of type label. This should do the trick.
'For each control in the form
For Each ctrl As Control In Me.Controls
'If its of type label
If TypeOf ctrl Is Label Then
'Change the color
ctrl.ForeColor = Color.Black
End If
Next
Edited like Vincent suggested so we don't need to declare ctr before.
As Bugs suggested here is an even shorter option:
For Each ctr In Me.Controls.OfType(Of Label)
ctr.ForeColor = Color.Black
Next
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