TabControl.TabPageCollection.ContainsKey(String) Method

Reference

Definition

Namespace:: System.Windows.Forms

Assembly:: System.Windows.Forms.dll

Source:: TabControl.TabPageCollection.cs

Source:: TabControl.TabPageCollection.cs

Source:: TabControl.TabPageCollection.cs

Important

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Determines whether the collection contains a tab page with the specified key.

public:
 virtual bool ContainsKey(System::String ^ key);

public virtual bool ContainsKey(string key);

public virtual bool ContainsKey(string? key);

abstract member ContainsKey : string -> bool
override this.ContainsKey : string -> bool

Public Overridable Function ContainsKey (key As String) As Boolean

Parameters

key: String

The name of the tab page to search for.

Returns

Boolean

true to indicate a tab page with the specified key was found in the collection; otherwise, false.

Remarks

The Name property corresponds to the key for a TabPage in the TabControl.TabPageCollection.

The key comparison is not case-sensitive. If the key parameter is null or an empty string, ContainsKey returns false.

Applies to

Product	Versions
.NET Framework	2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
Windows Desktop	3.0, 3.1, 5, 6, 7, 8, 9

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