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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/GUI-enabling-disabling-of-controls/Visual-Basic/gui-enabling-disabling-of-controls.vb Normal file
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VERSION 5.00
Begin VB.Form Form1
Caption = "Form1"
ClientHeight = 2265
ClientLeft = 60
ClientTop = 600
ClientWidth = 2175
LinkTopic = "Form1"
ScaleHeight = 2265
ScaleWidth = 2175
StartUpPosition = 3 'Windows Default
Begin VB.CommandButton cmdDec
Caption = "Decrement"
Enabled = 0 'False
Height = 495
Left = 120
TabIndex = 2
Top = 1680
Width = 1215
End
Begin VB.CommandButton cmdInc
Caption = "Increment"
Height = 495
Left = 120
TabIndex = 1
Top = 1080
Width = 1215
End
Begin VB.TextBox txtValue
Height = 495
Left = 120
TabIndex = 0
Text = "0"
Top = 240
Width = 1215
End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
'-----user-written code begins here; everything above this line is hidden in the GUI-----
Private Sub cmdDec_Click()
If Val(txtValue.Text) > 0 Then txtValue.Text = Val(txtValue.Text) - 1
End Sub
Private Sub cmdInc_Click()
If Val(txtValue.Text) < 10 Then txtValue.Text = Val(txtValue.Text) + 1
End Sub
Private Sub txtValue_Change()
Select Case Val(txtValue.Text)
Case Is < 0
txtValue.Enabled = False
cmdInc.Enabled = True
cmdDec.Enabled = False
Case Is > 9
txtValue.Enabled = False
cmdInc.Enabled = False
cmdDec.Enabled = True
Case 0
txtValue.Enabled = True
cmdInc.Enabled = True
cmdDec.Enabled = False
Case Else
txtValue.Enabled = False
cmdInc.Enabled = True
cmdDec.Enabled = True
End Select
End Sub