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ToolTip.Show Method (String, IWin32Window)

.NET Framework 4.5

Sets the ToolTip text associated with the specified control, and displays the ToolTip modally.

Namespace: System.Windows.Forms
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)

public void Show(
	string text,
	IWin32Window window
)

Parameters

text: Type: System.String
A String containing the new ToolTip text.

window: Type: System.Windows.Forms.IWin32Window
The Control to display the ToolTip for.

Exceptions

Exception	Condition
ArgumentNullException	The window parameter is null.

Remarks

The version of the Show method displays the ToolTip for the specified control modally; that is, the ToolTip will be displayed until the Hide method is called, or until the parent form is minimized, hidden, or closed. The ToolTip is positioned in the center of the associated control.

Applications running in partial trust must assert the AllWindows permission to use this method, as Show can control the display and location of a ToolTip independent of user action.

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

.NET Framework Security

UIPermission
Requires AllWindows permission.

Platforms

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Reference

ToolTip Class

Show Overload

System.Windows.Forms Namespace

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