How to add text to a custom control?

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VS2012

Hi, I am trying to make my first custom control. All I want to do is display a value in Text on a progressbar. I've added the properties that I need (TextValue & TextForeColor), but how do I display the actual text on the progressbar? This is what I have so far:

Imports System.ComponentModel

Public Class MeterBar

Inherits ProgressBar

Public Property TextValue() As String
Get
Return MyBase.Text
End Get
Set(ByVal Value As String)
MyBase.Text = Value
End Set
End Property

Public Property TextForeColor() As Color
Get
Return MyBase.ForeColor
End Get
Set(ByVal Value As Color)
MyBase.ForeColor = Value
End Set
End Property

-Can I display text w/o inheriting from textbox? Also, how could I set the alignment of the text w/in the progressbar (Left/Center/Right)? Please help.

Posted 22-Apr-13 12:21pm

7774tlas

Updated 22-Apr-13 14:32pm

v4

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Sergey Alexandrovich Kryukov 22-Apr-13 19:59pm

System.Windows.Forms? Tag it: "WinForms".
—SA

7774tlas 22-Apr-13 20:30pm

Sorry, I always forget that. - WinForms

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sorawit amorn · Answer 1 · 2013-04-22T12:53:00

Solution 1

Short Answers:
(1) You could use Label, instead of textbox.
(2) To set the alignment, you can use grid wrap around the your object that use to display the text.

Note: When you want to create your own custom control, I would recommend you to try to make it with the combination of existing controls first. Making your own control takes a lot of time and difficult because of the complex structure of Silverlight (also WPF).

Posted 22-Apr-13 12:53pm

sorawit amorn

Comments

7774tlas 22-Apr-13 19:35pm

If I inherit from label will I be able to display the text w/o the displaying the label's background? I want the text to display over the progressbar (z-order). Thanks

sorawit amorn 22-Apr-13 19:49pm

you are not inheriting from label. if you want to use as the object, you should inherit of the base control. For example, you can inherit grid and in you costume control have a label object as a child. So now your costume control is a grid that has label.

if you think of XAML, your control would look something like:
<grid>
<Label></Label>
</grid>

or you can add border by having you custom object to inherit border. So hierarchically/XMAL would look like :

<Border>
<Grid>
<Label></Label>
</grid>
</Border>

I believe the default background of Label is transparent, but if not you can set pretty much any control background to be transparent

7774tlas 22-Apr-13 20:40pm

I've never used XAML, that's WPF isn't it? (sorry, I'm still learning) I'm using WinForm. The problem that I'm having w/ the label background is that it shows it's parent control's backcolor instead of the progressbar (blocks out the marquee). I came across an article on the DrawString method, could that be used to display the text?