Change Backcolor for all inherited forms - vb.net

i have a baseform and a few forms inherited from that.
Call them BaseForm and Form1, Form2
I want to select a color in Form1 and these color is set in all inherited forms.
That works, if the form is open after the color is changed.
Let me explain.
I open Form1
select the color and set a global variable(glColorVariable).
The Backgroundcolor in the Baseform.Designer.vb is set
me.backcolor=glColorVariable
The color in Form1 didn't change
If i now open form2 the color in form2 IS changed.
How can i ... repaint my Baseform in Form1 so the color is changed.
Thank you verry much!
Cornelia

You can't loop forms so that you can change a parameter on them.
I think the Assembly.GetExecutingAssembly().GetTypes() is dead end for this.
One solution, if you fill an list element with your forms.
Dim Forms As New List(Of Form)
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
Forms.Add(My.Forms.Form1)
Forms.Add(My.Forms.Form2)
Forms.Add(My.Forms.Form3)
End Sub
Sub SetBackColors(ByVal c As Color)
For Each f In Forms
f.BackColor = c
Next
End Sub
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
SetBackColors(Color.Red)
End Sub
Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click
Form2.Show()
Form3.Show()
End Sub
or what Jimi wrote, use DataBindings:
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
Form2.DataBindings.Add("BackColor", Me, "BackColor", False, DataSourceUpdateMode.OnPropertyChanged)
Form3.DataBindings.Add("BackColor", Me, "BackColor", False, DataSourceUpdateMode.OnPropertyChanged)
End Sub
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
Me.BackColor = Color.Red
End Sub
Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click
Form2.Show()
Form3.Show()
End Sub

Related

hello! there is someone who can help me on my project? this is my code

Public Class frmColor
Dim red, green, yellow, blue, orange As New frmChanger
Private Sub BtnRed_Click(sender As Object, e As EventArgs) Handles BtnRed.Click
frmChanger.Show(red)
End Sub
Private Sub BtnGreen_Click(sender As Object, e As EventArgs) Handles BtnGreen.Click
frmChanger.Show(green)
End Sub
Private Sub BtnYellow_Click(sender As Object, e As EventArgs) Handles BtnYellow.Click
frmChanger.Show(yellow)
End Sub
Private Sub BtnBlue_Click(sender As Object, e As EventArgs) Handles BtnBlue.Click
frmChanger.Show(blue)
End Sub
Private Sub BtnOrange_Click(sender As Object, e As EventArgs) Handles BtnOrange.Click
frmChanger.Show(orange)
End Sub
End Class
that is my code on form1....
Public Class frmChanger
Private Sub PnlRed_Paint(sender As Object, e As PaintEventArgs) Handles PnlRed.Paint
PnlRed.BackColor = Color.Red
End Sub
Private Sub PnlGreen_Paint(sender As Object, e As PaintEventArgs) Handles PnlGreen.Paint
PnlGreen.BackColor = Color.Green
End Sub
Private Sub PnlYellow_Paint(sender As Object, e As PaintEventArgs) Handles PnlYellow.Paint
PnlYellow.BackColor = Color.Yellow
End Sub
Private Sub PnlBlue_Paint(sender As Object, e As PaintEventArgs) Handles PnlBlue.Paint
PnlBlue.BackColor = Color.Blue
End Sub
Private Sub PnlOrange_Paint(sender As Object, e As PaintEventArgs) Handles PnlOrange.Paint
PnlOrange.BackColor = Color.Orange
End Sub
End Class
and this is my code on form2....
what i need is, when i clicked the btnRed on form1, on form2 only the PnlRed show..
when the BtnGreen is clicked, Pnlgreen on form2..
my problem is both panel colors show when i click only one button.. what should i do? can someone help me please.
Add a Form level variable to frmChanger with its datatype as Color and its scope as Friend (so it can be seen from frmColor). This code is using the default instance of the form. You don't really need a separate form for each color. You only want to have a different color shown. How about a single panel that will have different colors instead of multiple panels.
In the Form1 code (your frmColor)
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
Form2.panelColor = Color.Red
Form2.Show()
End Sub
Repeat for the other buttons with = Color.Green etc.
In Form2 (your frmChanger)
Friend panelColor As Color
Private Sub Form2_Load(sender As Object, e As EventArgs) Handles MyBase.Load
Panel1.BackColor = panelColor
End Sub

I have multiple panels on same form and I want Passing a value between 2 panel

I have multiple panels on the same form and I want Passing a value between 2 panels
I want to enter Username in the first panel and Show as Label in next panel
please not in between 2 Form but 2 Panels.
Public Class Form1
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles Me.Load
Guna.UI.Lib.GraphicsHelper.ShadowForm(Me)
End Sub
Private Sub GunaButton1_Click(sender As Object, e As EventArgs) Handles GunaButton1.Click
pnLogin.BringToFront()
GunaTransition1.Hide(pnLogin)
End Sub
Private Sub GunaButton2_Click(sender As Object, e As EventArgs)
End Sub
Private Sub GunaGradientButton2_Click(sender As Object, e As EventArgs)
End Sub
Private Sub GunaTextBox1_Click(sender As Object, e As EventArgs) Handles GunaTextBox1.Click
End Sub
End Class
If all the controls are in the same Form, then the container they are within is irrelevant.
The code would look something like this:
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
Label1.Text = TextBox1.Text
End Sub
You need to change the control names to what you have on your form for the Button, TextBox and Label.
You can simply declare the variable in form class scope and use it! can you explain more details?
Update:
Private Sub Button_Click(sender As Object, e As EventArgs) Handles Button.Click
Lable.text = TextBox.text
EndSub

vb.net button visibility based on checkbox

So i have a form as below:
Public Class IPADSOFT
Private Sub Button6_Click(sender As Object, e As EventArgs) Handles Button6.Click
IPADSOFTTS.Show()
End Sub
Private Sub Button8_Click(sender As Object, e As EventArgs) Handles Button8.Click
Me.Hide()
End Sub
Private Sub Button7_Click(sender As Object, e As EventArgs) Handles Button7.Click
HOME.Show()
Me.Hide()
End Sub
End Class
which has 3 checkboxes labeled IPADSOFTBOX1, IPADSOFTBOX2, IPADSOFTBOX3
So... i have another form as follows:
Public Class IPADSOFTTS
Private Sub onload()
If IPADSOFT.IPADSOFTBOX1.Checked Then
Button1.Visible = True
Button3.Visible = True
Button5.Visible = True
End If
End Sub
Private Sub Button8_Click(sender As Object, e As EventArgs) Handles Button8.Click
Me.Hide()
End Sub
Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click
End Sub
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
End Sub
Private Sub Button7_Click(sender As Object, e As EventArgs) Handles Button7.Click
HOME.Show()
IPADSOFT.Hide()
Me.Hide()
End Sub
End Class
Now the idea is that all the buttons on that second form are set to visible-false and i want the page to check which checkboxes are checked on the last form and then make the required buttons on this form visible... but it isnt working
What am i doing wrong?? i apologise im very very new to vb.net
Open the second form with this
Dim newForm As New IPADSOFTTS With
{.MainForm = Me}
newForm .Show()
Set Public MainForm As IPADSOFT below the Public Class of second form
Then use in the Load event
if MainForm.IPADSOFTBOX1.Checked = true then
'Do whatever
End if

I cant change my form

I have big problem. I have 2 forms in my VB.NET project. The names of Forms are Form1 and Form2. I have a button with this codes:
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
Me.Hide()
Dim Login As New Form2
Login.Show()
End Sub
Now when I click in this button Form2 will open, but after 3 or 4 minutes Form1 will open again.
I should say Me.close() to same happen with Me.Hide() for me.
Public Class Form2
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
Dim fff As New Form2
fff.Close()
Form3.Show()
End Sub
Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click
MsgBox("Sorry", MsgBoxStyle.MsgBoxHelp, "Error")
End Sub
I need help please
try this
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
Dim Login As New Form2
Form2.Show()
Me.dispose()
End Sub
it should solve the problem

Changing the background color for Form2

i have two RadioButtons one for Light Blue and the other for Ghost White and a button to show the next Form (Form2)
i want to be able to check on a Radio Button and the backcolor of form2 changes to the checked Radio Button
this is what i have on my coding so far
Private Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
SecondForm.Show()
End Sub
Private Sub rbLightBlue_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles rbLightBlue.CheckedChanged
If rbLightBlue.Checked Then
SecondForm.BackColor = (Color.LightBlue)
End If
End Sub
Private Sub rbGhostWhite_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles rbGhostWhite.CheckedChanged
If rbGhostWhite.Checked Then
SecondForm.BackColor = (Color.GhostWhite)
End If
End Sub
The problem am having is making the background color change on Form2.
Any answer for this question will be very helpful.
I am not sure what you are doing, it probably has to do with how you are creating your SecondForm, this code does work, see if it helps you narrow it down.
Public Class Form1
Dim SecondForm As Form2 = New Form2
Private Sub rbLightBlue_CheckedChanged(sender As Object, e As EventArgs) Handles rbLightBlue.CheckedChanged
If DirectCast(sender, RadioButton).Checked Then
SecondForm.BackColor = Color.LightBlue
End If
End Sub
Private Sub rbGhostWhite_CheckedChanged(sender As Object, e As EventArgs) Handles rbGhostWhite.CheckedChanged
If DirectCast(sender, RadioButton).Checked Then
SecondForm.BackColor = Color.GhostWhite
End If
End Sub
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
SecondForm.Show()
End Sub
End Class