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how to display textBox control in MessageBox?

Any idea how to display textBox control in MessageBox.
I'm working on winforms projcet c#.
Thank you in advance.

You can't. MessageBox is a special container designed to only show a message and buttons. Instead, you can create your own Form with whatever controls you want, and use .ShowDialog() on it.

You can simply add an Input box from VB.NET into your C# project.
First add Microsoft.VisualBasic to your project References, then use the following code:
string UserAnswer = Microsoft.VisualBasic.Interaction.InputBox("Your Message ", "Title", "Default Response");
And that should work properly.

It will be better to add a new Form in you application which you can customize the way you want.
and just call it from where ever required.

you could create a classic win form that looks like a message box and opening it as a modal form
perhaps using Form.ShowDialog
more info at
http://msdn.microsoft.com/en-us/library/c7ykbedk.aspx

You cannot customise the MessageBox, its better you use a popup designed using Windows Form separately and use its instance to invoke.
customPopup popup = new customPopup();
popup.ShowDialog();
Place your controls on the popup form and set their access modifiers to public if you want to access the textboxes or labels etc in your previous form.
customPopup popup = new customPopup();
popup.msgLabel.Text= "Your message";
popup.ShowDialog();

As I know there is no way to do that.
You can create a winform change it's style to look like a MessageBox and add your own controls.

Yes, as krillgar mentioned,you should create your own form. And
1. Encapsulate the form in a static class or function, so you may just call MyMessageBox.Show().
2. The textbox should have readonly=true, so the end users won't be able to change the text displayed, while they could select text and copy to clipboard.
Regarding to item 2, I believe many Windows build applications and MS Office use such approach.

using Microsoft.VisualBasic;//add reference
var Password = Interaction.InputBox("Message", "Title" ,"information in textbox", -1,-1);
In the variable "password" it receives the information that is entered from the text box.
Remember to add the reference "Microsoft.VisualBasic" in the solution explorer

Solution in here, you can create windows form and design it, set form is dialog, when you call form, it is auto show. In form you design, you set value some parameter static where other class in project, but you should set when you close form design that, OK, come back form init call show dialog, you create interval call when have == null return call, when != null you stop call back and using parameter in class static it !

Custom dialog box in wpf issue

I'm calling my custom dialog window with this code:
GUI.SLDialog sd = new GUI.SLDialog();
if (sd.ShowDialog() == false)
{
return;
}
But sd.ShowDialog() always returns nothing (i think), because the function breaks, but the waypoint at return; isn't reached.
Dialog is automaticly closing when I add to button:
this.DialogResult = false;//or true
Anybody know what am I doing wrong?
Thanks in advance for your help.C.H.
#edit
This is my SLDialog:
xaml: http://wklej.org/hash/9fb67fb0c7c/
cs: http://wklej.org/hash/16e3ccc6c0d/

I don't think I can tell you much here unless you post the code for the dialog but I do have a suggestion in the mean time.
Since you're already unhappy with the standard dialog boxes and customization is clearly an option why not move towards what people are coming to expect? Instead of your standard dialog why not just create a user control that lays over the rest of your UI and blurs everything out from the background? Much like a jquery dialog box you might see on a web page.
Modality is easier to control since it's just a matter of covering your entire app window with a translucent rectangle and then make the dialog window appear however you want.
Just a suggestion.

How do I read MessageBox text using WinAPI

How do I read a message of standard Win message box (Info)?
Using
SendMessage(this.HandleControl, WM_GETTEXT, builder.Capacity, builder);
I can only read the header of the message box or the text of the button, but not the message itself.
thanks.
Notes (from Q&A):
this.HandleControl is a handler to the message box window
Spy++ shows no child controls bar the button. That's what it made me thinking that Message Boxes have their own way of keeping text w/out using labels
It's a legacy app written with delphi, the button's class is TButton as per Spy++, but still there's no controls except of button inside the dialog window.
After checking a notepad window, both Image & Text are 'selectable', I guess my app doesn't use a std MessageBox. still, how do I go about extracting the text out of the thing? I can see that no labels in my delphi app can be selected by Spy++ Finder tool.

The message text is in a label control on the modal MessageBox dialog window. You have to get the window handle to the MessageBox dialog (win32 API FindWindow) then retrieve the window handle to the control (win32 API GetDlgItem) and then retrieve the text from that window win32 API GetWindowText).
EDIT --
TCHAR text[51] = {0};
HWND msgBox = ::FindWindow(NULL, TEXT("MessageBoxCaption"));
HWND label = ::GetDlgItem(msgBox, 0xFFFF);
::GetWindowText(label, text, sizeof(text)-1);

Try simulating a copy operation (Ctrl-C), then fetch the text from the clipboard: messageboxes allow copying the whole content that way (if they're properly done).
The OP commented that: that worked, thanks. I might end up with doing it that way. Ideally we wanted to keep our implementation focus independant, but choosing between a dedicated PC and OCR I'd probably go the first route.
Personally I've tested this in Delphi 6 and it comes out looking like this:
---------------------------
Confirm
---------------------------
You are about to close the program
WARNING: Are you sure?
---------------------------
Yes No
---------------------------
Note: This is based on an answer that was proposed by "Stefan" in the comments to the original Question

Message box with Show Details Option?

I need to show a MessageBox with the Show Details option , like what we get during normal windows exceptions. When the user clicks the show details option, it has to expand and show the collection of details to the user. How to achieve it in Windows forms?
Thanks in advance

These dialogs are not exposed as part of any API and so you need to create your own dialog that behaves the same way.
A dialog is simply a standard form shown using the ShowDialog method:
DetailsMessageBox dialog = new DetailsMessageBox();
if (dialog.ShowDialog() == DialogResult.OK)
{
// Handle me
}
Before your dialog closes you should set the DialogResult property of the form is set to the desired dialog outcome - you can get buttons to automatically set the dialoig result (and close the dialog) for you when they are clicked by setting the DialogResult property of the button to the desired result.
You should also set the AcceptButton and CancelButton properties of your dialog to suitable buttons so that the dialog is closed when the use presses Escape or Enter.

These types of forms are only via API available on Windows Vista and higher. You'd best just create your own form. That way you can make it precisely how you want it :)

The simplest way would be to make your own messagebox. You can then add as much additional functionality as you'd like, including event/error logging etc.

You can try the TaskDialog API, see http://msdn.microsoft.com/en-us/library/windows/desktop/bb787471(v=vs.85).aspx

How do I change the MessageBox location?

I need to change the message box location. I don't want it to be in the center of the page.
MessageBox.Show("Hello");

Normally, you can't change startup location of standard message box.
Solutions for your question:
Create your own custom message box.
There is example of creation on
CodeProject.
Complicated way using Windows Hook
Procedure (WinAPI) (KB180936).

You will need to create a new form that inherits from the MessageBox form. That is the only way to access the position properties.

There is a way to change the location, but its way too complicated for such a small task.
If you really need to change its location, you could display it, then use GetForegroundWindow to get a window handle, then MoveWindow to your desired location.
But, as I already mensioned, this is way too complicated. Just create your own form with a label on it an a "OK" button. Set the button as the default window button, and then, in Form1 do MyWndName.ShowDialog();

What you can do is to create a new window, set the property AllowsTransparency to true and set the Background to Transparent. In that window you can put a TextBlock, or a label and also add Yes/No Buttons. Set the location of this window using Canvs.SetTop(Window,TopPosition) and Canvas.SetLeft(Window,LeftPosition). next, call the window with the method Show() or ShowDialog().

Since I already use AutoIt for several other tasks in my project so I just create another thread to move the Message box
using System.Threading;
using AutoIt;
//Namespace, class, function stuffs
//New thread BEFORE create message box - safety measure
Thread autoItThread = new Thread(delegate ()
{
AutoItX.WinWait("New Message box");
AutoItX.WinMove("New Message box", "This box will be moved", 400, 300);
});
autoItThread.Start();
MessageBox.Show("This box will be moved", "New Message box");
Please note
The coordinate 400,300 is absolute. 0,0 will be top left corner.
This is screen-dependent. If you want to be exact, other code to determine location is needed
This task is to change the absolute position of the Message box rather than move it.
How to get/install AutoIt is not addressed here. Please look for instruction on that if you need to.