Kt TextBox

An enhanced, highly flexible text input control for Modern WinForms supporting custom styles, SVG icons, and automatic casing.

🟣 PREMIUM

This component is only available in the Premium version of KimTools.

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kt-text-box-light kt-text-box-dark

🟢 DESIGNER SUPPORT

This control has full Visual Studio design-time support.
Drag it from the Toolbox onto your form, customize its properties directly in the Properties window, and KimTools will generate the corresponding code for you.

Style

Style Kt-TextBoxStyle Sets the TextBox’s style.

TextPlaceholder

TextPlaceholder String Sets the TextBox’s placeholder.

TextCasing

TextCasing Kt-TextCasing Sets the input character casing.

IconLeft

IconLeft String Sets the Icon left.

IconRight

IconRight String Sets the Icon right.

Loading

Loading Boolean Gets or sets a value indicating whether to show loader

Password

Password Boolean Gets or sets a value indicating whether the text in the TextBox control should appear as the default password character.

Bg

Bg Kt-Color Sets the Bg.

Border

Border Kt-Color Sets the Border.

BorderActive

BorderActive Kt-Color Sets the Border active.

BorderRadius

BorderRadius Int32 Sets the TextBox’s border radius.

SVG Icon Slots

Add visual clarity using built-in SVG icons on the left or right of the input via IconLeft and IconRight.

🔴 🟡 🟢
var panel = new Panel
{
    Width = 300,
    Height = 110,
    BackColor = Color.Transparent
};
	
var searchInput = new KtTextBox
{
    MinimumSize = new Size(280, 40),
    TextPlaceholder = "Search...",
    IconLeft = "search",
    IconRight = "close",
    Style = KtTextBox.KtTextBoxStyle.Tailwind,
    BorderActive = KtColor.INFO
};
	
var passwordInput = new KtTextBox
{
    MinimumSize = new Size(280, 40),
    TextPlaceholder = "Enter Password",
    Password = true,
    IconLeft = "lock",
    IconRight = "eye",
    Style = KtTextBox.KtTextBoxStyle.Fluent,
    BorderActive = KtColor.WARNING
};
	
panel.Controls.Add(searchInput);
panel.Controls.Add(passwordInput);
	
searchInput.Location = new Point(10, 10);
passwordInput.Location = new Point(10, 60);
Auto
Light
Dark

textbox-icons-light textbox-icons-dark

textbox-icons-light

textbox-icons-dark

Async Loading State

Set Loading = true to show an active spinner indicator and automatically disable user input during processing.

🔴 🟡 🟢
var panel = new Panel
{
    Width = 300,
    Height = 60,
    BackColor = Color.Transparent
};
	
var loadingInput = new KtTextBox
{
    MinimumSize = new Size(280, 40),
    Text = "Processing request...",
    Loading = true,
    Style = KtTextBox.KtTextBoxStyle.Tailwind,
    BorderActive = KtColor.ERROR
};
	
panel.Controls.Add(loadingInput);
loadingInput.Location = new Point(10, 10);
Auto
Light
Dark

textbox-loading-light textbox-loading-dark

textbox-loading-light

textbox-loading-dark

API Reference
Bg Kt-Color Sets the Bg.
Border Kt-Color Sets the Border.
BorderActive Kt-Color Sets the Border active.
Content Kt-Color Sets the Content.
Style Kt-TextBoxStyle Sets the TextBox’s style.
TextCasing Kt-TextCasing Sets the input character casing.
AcceptsReturn Boolean Gets or sets a value indicating whether pressing ENTER in a multiline TextBox control creates a new line of text in the control or activates the default button for the form.
AcceptsTab Boolean Gets or sets a value indicating whether pressing the TAB key in a multiline text box control types a TAB character in the control instead of moving the focus to the next control in the tab order.
AutoSizeHeight Boolean Indicates whether the control can respond to user interaction.
Enabled Boolean Indicates whether the control can respond to user interaction.
HideSelection Boolean Gets or sets a value indicating whether the selected text in the text box control remains highlighted when the control loses focus.
Loading Boolean Gets or sets a value indicating whether to show loader
Modified Boolean Gets or sets a value that indicates that the text box control has been modified by the user since the control was created or its contents were last set.
Password Boolean Gets or sets a value indicating whether the text in the TextBox control should appear as the default password character.
ReadOnly Boolean Sets a value indicating whether text in the text box is read-only.
ShortcutsEnabled Boolean Gets or sets a value indicating whether the defined shortcuts are enabled.
TextWrap Boolean Indicates whether a multiline text box control automatically wraps words to the beginning of the next line when necessary.
PasswordChar Char Gets or sets the character used to mask characters of a password in a single-line TextBox control.
IconStroke Double Sets the Icon stroke.
ForeColor Color Sets the TextBox’s foreground color.
DefaultFont Font Sets the text input’s font.
CustomIconLeft Image Sets the TextBox’s left icon.
CustomIconRight Image Sets the TextBox’s right icon.
BorderRadius Int32 Sets the TextBox’s border radius.
BorderThickness Int32 Sets TextBox’s border thickness.
IconPadding Int32 Sets the TextBox’s padding for both the left and the right icon.
IconSize Int32 Sets the Icon size.
MaxLength Int32 Gets or sets the maximum number of characters the user can type or paste into the text box control.
SelectionLength Int32 Gets or sets the number of characters selected in the text box.
SelectionStart Int32 Gets or sets the starting point of text selected in the text box.
TextOffsetX Int32 Sets the TextBox’s left margin.
TextOffsetY Int32 Sets the TextBox’s top margin.
IconLeft String Sets the Icon left.
IconRight String Sets the Icon right.
TextPlaceholder String Sets the TextBox’s placeholder.
SelectedText String Gets or sets a value indicating the currently selected text in the control.
Text String Sets the text input.
Lines String[] Gets or sets the lines of text in a text box control.
AutoCompleteMode AutoCompleteMode Gets or sets an option that controls how automatic completion works for the TextBox.
AutoCompleteSource AutoCompleteSource Gets or sets a value specifying the source of complete strings used for automatic completion.
AutoCompleteCustomSource AutoCompleteStringCollection Gets or sets a custom System.Collections.Specialized.StringCollection to use when the AutoCompleteSource property is set to CustomSource.
Cursor Cursor Represents the image used to paint the mouse pointer.
TextAlign HorizontalAlignment Gets or sets how text is aligned in a TextBox control.
ScrollBars ScrollBars Indicates which scroll bars will be shown when the TextBox is set to multiline.
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