I am using a Tab Control in a C# WinForms application. I want to change the title of the tabs. By default they are tabPage1, tabPage2, etc.
A lazy way to do it without code:
Select the tab control
Go to properties, use F4 to do so
Select TabPages property, use F4 to do so
Click the ... after the (Collection).
Edit the name and any tabPage properties associated with it.
You can change it pretty simply in the designer; click on a blank area in the tab page contents and use the property view to set the Text property. Also through code via:
tabPage1.Text = #"Something Meaningful";
Where tabPage1 would be the reference to whichever TabPage you wanted to set the Text of.
tabCtrl.TabPages[0].Text = "some text";
tabCtrl.TabPages[1].Text = "some other text";
Going into the designer.cs you can change the tab Text like so this.tabPage3.Text = 'Your Title'
Method
//Component Designer generated code
private void InitializeComponent()
{
...
this.tabControl1 = new System.Windows.Forms.TabControl();
...
//
// tabPage3
//
this.tabPage3.Location = new System.Drawing.Point(4, 22);
this.tabPage3.Name = "tabPage3";
...
this.tabPage3.Text = "tabPage3";//change the tab name
...
}
It will auto refresh the Design view.
Related
I have a TabControl with three TabPages. The initial start of the app opens always the first TabPage on the left side. For me it's necessary to set the starting TabPage (for example the second one).
Of course, I know about possibilities to change the tab on start like these:
tabControl.SelectedTab = tabPage;
tabControl.SelectTab(tabPage);
...
But this code would also activate additional events to fire like TabControl.Selecting, TabControl.Deselecting, TabControl.SelectedIndexChanged etc. — I would really like to prevent this in advance.
What I am looking for is some kind of property in the TabControl like "StartingTabPageIndex" - setting it to 1 would open the second TabPage on start without invoking any unnecessary events.
Another option. Go into the Form Designer, change the SelectedIndex property from 0 to 1:
//
// tabControl1
//
this.tabControl1.Controls.Add(this.tabPage1);
this.tabControl1.Controls.Add(this.tabPage2);
this.tabControl1.Controls.Add(this.tabPage3);
this.tabControl1.Location = new System.Drawing.Point(223, 21);
this.tabControl1.Name = "tabControl1";
this.tabControl1.SelectedIndex = 1; // <-- This Line
this.tabControl1.Size = new System.Drawing.Size(300, 143);
this.tabControl1.TabIndex = 3;
The event handlers aren't connected yet, and making any modifications to the TabControl in the designer doesn't seem to affect that property. It seems safe to change it this way.
You should remove the binding with the event handlers from the designer and add them after you have set the initial tabpage
After removing them in the designer (this doesn't delete the event handler code) rebind the event handler in the form load event after setting the required tabpage
tabControl.SelectedTab = tabPage;
tabControl.Selected += tabControl_Selected;
.... and so on for the other events to handle....
Update
I just made a simple test, and SelectedTab does not work because it expects the handle to be created on set.
However this seems to work:
public class MyTabControl : TabControl
{
[DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
[Browsable(true)]
public new int SelectedIndex
{
get { return base.SelectedIndex; }
set { base.SelectedIndex = value; }
}
}
You'll now be able to see SelectedIndex in the designer and can set it. It won't change the visible tab in the designer, but it will store the "initial tab index" (zero-based).
It does change SelectedIndex, but it does not call the events since events are assigned last in the designer's serialization, so they are never assigned before the change.
Old
One option would be having SelectedTab serialized. You'd only need to derive your own custom TabControl from TabControl and have something like this:
public class MyTabControl : TabControl
{
[DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
public new TabPage SelectedTab {
get { return base.SelectedTab; }
set { base.SelectedTab = value; }
}
}
That way you'll get your designer selected SelectedTab as initial.
I haven't tested this, but theory says it should work :-)
I have a label inside a panel to display simple text. Now I have a link label that is added dynamically that displays some more information. How can I show this link label right next to the label text at run time? For example, the lable displays
A record is added.
I need to show with a link label "View Additional Details" next to the label text.
A record is added. View Additional Details
I have the code as below but it overlaps the existing label text. Thanks for any help!
LinkLabel details = new LinkLabel();
details.Text = "View Additional Details";
LinkLabel.Link link = new LinkLabel.Link();
link.LinkData = infoDetails;
details.Links.Add(link);
details.LinkClicked += new LinkLabelLinkClickedEventHandler(details_LinkClicked);
//Adding the link label control to the existing label control
lblInfo.Visible = true;
lblInfo.AutoSize = true;
lblInfo.Controls.Add(details);
Why are you trying to add a LinkLabel to a label? Add the LinkLabel to the same form as the label, and set the location of the LinkLabel appropriately.
In the example below, I'm assuming the code is being called from the form's class (or to a panel if you are using one). If not, replace this with your form instance. I'm setting the Y location as the same as lblInfo so the LinkLabel appears next to it. Adjust lblInfo.Margin.Right and details.Margin.Left as desired.
details.Margin.Left = 5;
details.Location = new Point(
lblInfo.Location.X + lblInfo.Width + lblInfo.Margin.Right + details.Margin.Left,
lblInfo.Location.Y
);
this.Controls.Add(details);
Update: changed padding to use Margin (thanks Anthony).
When inserting tabpages programmatically, the TabPages that are created do not have the same type of color-scheme as one would expect when using the designer. As you can see from the screenshot image below, the "Active" tab's background color has remained unchanged. How would I programmatically add TabPages to a tab-control so it would behave as if I had added them using the designer?
I have the following code that programmatically inserts tab-pages onto a tab control I have created using WinForms (it is in a foreach loop).
TabPage tPage = new TabPage();
tPage.Text = item.DisplayName + " Options";
FlowLayoutPanel flowPanel = new FlowLayoutPanel();
Label lblLocationField = new Label();
lblLocationField.Text = "Insert into location field:";
CheckBox chkLocationField = new CheckBox();
chkLocationField.Name = "locationField";
flowPanel.Controls.Add(lblLocationField);
flowPanel.Controls.Add(chkLocationField);
tPage.Controls.Add(flowPanel);
this.tabControlConfiguration.Controls.Add(tPage);
It turns out, a new instance of TabPage sets the UseVisualStyleBackColor property to false by default, whereas the designer sets it to "true."
Therefore, by simply adding the one line below to my code, I was able to get it to render properly!
tPage.UseVisualStyleBackColor = true;
I have a form done in WPF which has a custom control already on it called RateView. This custom control has 4 textboxes (which are all working as they should be). It also contains a button.
I have a second custom control called Extended Margin Info, which also has a XAML Form which will just show output data only.
How can I by clicking the button on the custom control called Rateview bring up the XAML canvas onto my Main window of the extendedmargin info XAML, in the same position everytime? Rateview control exists 5 times on the main window therfore there will be 5 buttons that when clicked, will need to output the popup of ExtendedMargin Info to the main screen in the same position each time with the content of extendedmargin info.
Your button, when clicked, should call a Command which updates a Property of some ViewModel that exposes the ViewModel of the current ExtendedMarginInfo you want to display. Then you can bind this property to the Content Property of a ContentControl in the target view. You can select the View you want the Control to display by using the ContentControl.ContentTemplateSelector property.
I guess you want show one popup and change it's content placing in it different controls.
At 1st create your custom control:
balloon = new LogEntryInfoBalloon();
balloon.SetMainWindow(this);
balloon.DataContext = vm.NotificationViewModel;
Then create Popup control (System.Windows.Controls.Primitives):
localPop = new Popup();
localPop.AllowsTransparency = true;
localPop.Placement = PlacementMode.AbsolutePoint;
localPop.StaysOpen = true;
localPop.PlacementTarget = this;
localPop.Child = balloon;
Placement target points to MainWindow.
Define timer that will close(hide) balloon:
localPopTimer = new Timer(new TimerCallback(CloseLocalPopup));
Close func:
private void CloseLocalPopup(object args)
{
var act = new Action(() =>
{
localPop.IsOpen = false;
});
Dispatcher.BeginInvoke(act, null);
}
Show balloon code looks like this:
private void ShowNotifyBaloon(NotifyBaloonViewModel vm)
{
var act = new Action(() =>
{
localPop.IsOpen = true;
localPopTimer.Change(4000, Timeout.Infinite);
});
Dispatcher.BeginInvoke(act, null);
}
I would like to display a ToolTip for when the mouse is hovering over a control.
How does one create a tooltip in code, but also in the designer?
Here is your article for doing it with code
private void Form1_Load(object sender, System.EventArgs e)
{
// Create the ToolTip and associate with the Form container.
ToolTip toolTip1 = new ToolTip();
// Set up the delays for the ToolTip.
toolTip1.AutoPopDelay = 5000;
toolTip1.InitialDelay = 1000;
toolTip1.ReshowDelay = 500;
// Force the ToolTip text to be displayed whether or not the form is active.
toolTip1.ShowAlways = true;
// Set up the ToolTip text for the Button and Checkbox.
toolTip1.SetToolTip(this.button1, "My button1");
toolTip1.SetToolTip(this.checkBox1, "My checkBox1");
}
Drag a tooltip control from the toolbox onto your form. You don't really need to give it any properties other than a name. Then, in the properties of the control you wish to have a tooltip on, look for a new property with the name of the tooltip control you just added. It will by default give you a tooltip when the cursor hovers the control.
Add a ToolTip component to your form
Select one of the controls that you want a tool tip for
Open the property grid (F4), in the list you will find a property called "ToolTip on toolTip1" (or something similar). Set the desired tooltip text on that property.
Repeat 2-3 for the other controls
Done.
The trick here is that the ToolTip control is an extender control, which means that it will extend the set of properties for other controls on the form. Behind the scenes this is achieved by generating code like in Svetlozar's answer. There are other controls working in the same manner (such as the HelpProvider).
ToolTip in C# is very easy to add to almost all UI controls. You don't need to add any MouseHover event for this.
This is how to do it-
Add a ToolTip object to your form. One object is enough for the entire form.
ToolTip toolTip = new ToolTip();
Add the control to the tooltip with the desired text.
toolTip.SetToolTip(Button1,"Click here");
I did it this way: Just add the event to any control, set the control's tag, and add a conditional to handle the tooltip for the appropriate control/tag.
private void Info_MouseHover(object sender, EventArgs e)
{
Control senderObject = sender as Control;
string hoveredControl = senderObject.Tag.ToString();
// only instantiate a tooltip if the control's tag contains data
if (hoveredControl != "")
{
ToolTip info = new ToolTip
{
AutomaticDelay = 500
};
string tooltipMessage = string.Empty;
// add all conditionals here to modify message based on the tag
// of the hovered control
if (hoveredControl == "save button")
{
tooltipMessage = "This button will save stuff.";
}
info.SetToolTip(senderObject, tooltipMessage);
}
}
Just subscribe to the control's ToolTipTextNeeded event, and return e.TooltipText, much simpler.