elements' tab key press order [duplicate] - c#

This question already has answers here:
How to set TAborder in wpf
(3 answers)
Closed 6 years ago.
I have some of TextBox in my application. Now that I copied most of it, it's in a strange order when filling in data and pressing the TAB key. How can I adjust this order?

Try to change your controls' TabIndex.

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Can i use mouse-click event as a function without human interaction ? So that whenever i call the function, it makes the control clicked [duplicate]

This question already has answers here:
How do you simulate Mouse Click in C#?
(7 answers)
Closed 8 months ago.
Suppose I have a ComboBox Control, in which there is dropdown button.
Now I have to open the list without using human interaction by default.
Can I do this ?
Use ComboBox.DroppedDown Property:
comboBox1.DroppedDown = true;

How to make a button look pressed after click in C#? [duplicate]

This question already has answers here:
How to make a button appear as if it is pressed?
(3 answers)
Closed 7 years ago.
I have a button to select a tool and I want to make it look pressed after the user clicks it. I am using winforms and I do not want to use Check Box with Button Appearance. How can I achieve that?
You can use a CheckBox with the Appearance property set to Button.

Open ComboBox DropDown programmatically [duplicate]

This question already has answers here:
Winforms: how to open combobox properly?
(5 answers)
Closed 9 years ago.
Is it possible to directly open the WindowsForms combobox programmatically? Have not found a method or property to do so. If not, what are possible solutions that do not involve a lot of hacking.
Use ComboBox.DroppedDown Property:
comboBox1.DroppedDown = true;

Check for empty fields in form [duplicate]

This question already has answers here:
Find all controls in WPF Window by type
(17 answers)
Checking for unfilled fields with PHP
(3 answers)
Closed 9 years ago.
Is it possible to check a form for any empty text boxes rather than having to put a check on each individual text box with an if? Any help would be much appreciated.
I'm not that familiar with WPF, but you might try to get a list of the child-elements in a form, and for each, check if they are of type Textbox. If so, perform your validation.

How to prevent stealing focus when clicking on a usercontrol? [duplicate]

This question already has answers here:
Is there a way to make a UserControl unfocussable?
(6 answers)
Closed 8 years ago.
I want to be able to click on my user control and not have it steal focus from any other control. I know when you click on a label it doesn't steal focus. How can this be done?
Try disabling your control's ControlStyles.Selectable flag.

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