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ImageList.ImageCollection.IList.Add Method

This API supports the .NET Framework infrastructure and is not intended to be used directly from your code.

Adds the specified image to the ImageList.

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

int IList.Add(
	Object value
)

Parameters

value
Type: System.Object

The image to add to the list.

Return Value

Type: System.Int32
The index of the newly added image, or -1 if the image could not be added.

Implements

IList.Add(Object)

ExceptionCondition
ArgumentNullException

value is null.

ArgumentException

value is not a Bitmap.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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