LinearGradientBrush

System.Drawing.Drawing2D.LinearGradientBrush

Namespace: System.Drawing.Drawing2D

Assembly: System.Drawing.Managed (4.0.0.0)

Encapsulates a Brush with a linear gradient. This class cannot be inherited.

C#

public class LinearGradientBrush : Brush

VB.NET

Constructors

LinearGradientBrush(point1, point2, color1, color2)

Initializes a new instance of the LinearGradientBrush class with the specified points and colors.

Name	Type	Description
point1	PointF	A PointF structure that represents the starting point of the linear gradient.
point2	PointF	A PointF structure that represents the endpoint of the linear gradient.
color1	Color	A Color structure that represents the starting color of the linear gradient.
color2	Color	A Color structure that represents the ending color of the linear gradient.

LinearGradientBrush(point1, point2, color1, color2)

Initializes a new instance of the LinearGradientBrush class with the specified points and colors.

Name	Type	Description
point1	Point	A Point structure that represents the starting point of the linear gradient.
point2	Point	A Point structure that represents the endpoint of the linear gradient.
color1	Color	A Color structure that represents the starting color of the linear gradient.
color2	Color	A Color structure that represents the ending color of the linear gradient.

LinearGradientBrush(rect, color1, color2, linearGradientMode)

Initializes a new instance of the LinearGradientBrush class based on a rectangle, starting and ending colors, and an orientation mode.

Name	Type	Description
rect	RectangleF	A RectangleF structure that specifies the bounds of the linear gradient.
color1	Color	A Color structure that represents the starting color for the gradient.
color2	Color	A Color structure that represents the ending color for the gradient.
linearGradientMode	LinearGradientMode	A LinearGradientMode enumeration element that specifies the orientation of the gradient. The orientation determines the starting and ending points of the gradient. For example, specifies that the starting point is the upper-left corner of the rectangle and the ending point is the lower-right corner of the rectangle.

LinearGradientBrush(rect, color1, color2, linearGradientMode)

Initializes a new instance of the LinearGradientBrush class based on a rectangle, starting and ending colors, and orientation.

Name	Type	Description
rect	Rectangle	A Rectangle structure that specifies the bounds of the linear gradient.
color1	Color	A Color structure that represents the starting color for the gradient.
color2	Color	A Color structure that represents the ending color for the gradient.
linearGradientMode	LinearGradientMode	A LinearGradientMode enumeration element that specifies the orientation of the gradient. The orientation determines the starting and ending points of the gradient. For example, specifies that the starting point is the upper-left corner of the rectangle and the ending point is the lower-right corner of the rectangle.

LinearGradientBrush(rect, color1, color2, angle)

Initializes a new instance of the LinearGradientBrush class based on a rectangle, starting and ending colors, and an orientation angle.

Name	Type	Description
rect	RectangleF	A RectangleF structure that specifies the bounds of the linear gradient.
color1	Color	A Color structure that represents the starting color for the gradient.
color2	Color	A Color structure that represents the ending color for the gradient.
angle	Single	The angle, measured in degrees clockwise from the x-axis, of the gradient's orientation line.

LinearGradientBrush(rect, color1, color2, angle)

Initializes a new instance of the LinearGradientBrush class based on a rectangle, starting and ending colors, and an orientation angle.

Name	Type	Description
rect	Rectangle	A Rectangle structure that specifies the bounds of the linear gradient.
color1	Color	A Color structure that represents the starting color for the gradient.
color2	Color	A Color structure that represents the ending color for the gradient.
angle	Single	The angle, measured in degrees clockwise from the x-axis, of the gradient's orientation line.

LinearGradientBrush(rect, color1, color2, angle, isAngleScalable)

Initializes a new instance of the LinearGradientBrush class based on a rectangle, starting and ending colors, and an orientation angle.

Name	Type	Description
rect	RectangleF	A RectangleF structure that specifies the bounds of the linear gradient.
color1	Color	A Color structure that represents the starting color for the gradient.
color2	Color	A Color structure that represents the ending color for the gradient.
angle	Single	The angle, measured in degrees clockwise from the x-axis, of the gradient's orientation line.
isAngleScalable	Boolean	Set to to specify that the angle is affected by the transform associated with this LinearGradientBrush; otherwise, .

LinearGradientBrush(rect, color1, color2, angle, isAngleScalable)

Initializes a new instance of the LinearGradientBrush class based on a rectangle, starting and ending colors, and an orientation angle.

Name	Type	Description
rect	Rectangle	A Rectangle structure that specifies the bounds of the linear gradient.
color1	Color	A Color structure that represents the starting color for the gradient.
color2	Color	A Color structure that represents the ending color for the gradient.
angle	Single	The angle, measured in degrees clockwise from the x-axis, of the gradient's orientation line.
isAngleScalable	Boolean	Set to to specify that the angle is affected by the transform associated with this LinearGradientBrush; otherwise, .

Properties

Blend

Blend: Gets or sets a Blend that specifies positions and factors that define a custom falloff for the gradient.

GammaCorrection

Boolean: Gets or sets a value indicating whether gamma correction is enabled for this LinearGradientBrush.

InterpolationColors

ColorBlend: Gets or sets a ColorBlend that defines a multicolor linear gradient.

LinearColors

Color[]: Gets or sets the starting and ending colors of the gradient.

Rectangle

RectangleF: Gets a rectangular region that defines the starting and ending points of the gradient.

Transform

Matrix: Gets or sets a copy Matrix that defines a local geometric transform for this LinearGradientBrush.

WrapMode

WrapMode: Gets or sets a WrapMode enumeration that indicates the wrap mode for this LinearGradientBrush.

Methods

Clone()

Creates an exact copy of this LinearGradientBrush.

Returns: Object. The LinearGradientBrush this method creates, cast as an object.

MultiplyTransform(matrix)

Multiplies the Matrix that represents the local geometric transform of this LinearGradientBrush by the specified Matrix by prepending the specified Matrix.

Parameter	Type	Description
matrix	Matrix	The Matrix by which to multiply the geometric transform.

MultiplyTransform(matrix, order)

Multiplies the Matrix that represents the local geometric transform of this LinearGradientBrush by the specified Matrix in the specified order.

Parameter	Type	Description
matrix	Matrix	The Matrix by which to multiply the geometric transform.
order	MatrixOrder	A MatrixOrder that specifies in which order to multiply the two matrices.

ResetTransform()

Resets the Transform property to identity.

RotateTransform(angle)

Rotates the local geometric transform by the specified amount. This method prepends the rotation to the transform.

Parameter	Type	Description
angle	Single	The angle of rotation.

RotateTransform(angle, order)

Rotates the local geometric transform by the specified amount in the specified order.

Parameter	Type	Description
angle	Single	The angle of rotation.
order	MatrixOrder	A MatrixOrder that specifies whether to append or prepend the rotation matrix.

ScaleTransform(sx, sy)

Scales the local geometric transform by the specified amounts. This method prepends the scaling matrix to the transform.

Parameter	Type	Description
sx	Single	The amount by which to scale the transform in the x-axis direction.
sy	Single	The amount by which to scale the transform in the y-axis direction.

ScaleTransform(sx, sy, order)

Scales the local geometric transform by the specified amounts in the specified order.

Parameter	Type	Description
sx	Single	The amount by which to scale the transform in the x-axis direction.
sy	Single	The amount by which to scale the transform in the y-axis direction.
order	MatrixOrder	A MatrixOrder that specifies whether to append or prepend the scaling matrix.

SetBlendTriangularShape(focus)

Creates a linear gradient with a center color and a linear falloff to a single color on both ends.

Parameter	Type	Description
focus	Single	A value from 0 through 1 that specifies the center of the gradient (the point where the gradient is composed of only the ending color).

SetBlendTriangularShape(focus, scale)

Creates a linear gradient with a center color and a linear falloff to a single color on both ends.

Parameter	Type	Description
focus	Single	A value from 0 through 1 that specifies the center of the gradient (the point where the gradient is composed of only the ending color).
scale	Single	A value from 0 through1 that specifies how fast the colors falloff from the starting color to focus (ending color)

SetSigmaBellShape(focus)

Creates a gradient falloff based on a bell-shaped curve.

Parameter	Type	Description
focus	Single	A value from 0 through 1 that specifies the center of the gradient (the point where the starting color and ending color are blended equally).

SetSigmaBellShape(focus, scale)

Creates a gradient falloff based on a bell-shaped curve.

Parameter	Type	Description
focus	Single	A value from 0 through 1 that specifies the center of the gradient (the point where the gradient is composed of only the ending color).
scale	Single	A value from 0 through 1 that specifies how fast the colors falloff from the focus .

TranslateTransform(dx, dy)

Translates the local geometric transformation of this TextureBrush object by the specified dimensions. This method prepends the translation to the transformation.

Parameter	Type	Description
dx	Single	The dimension by which to translate the transformation in the x direction.
dy	Single	The dimension by which to translate the transformation in the y direction.

TranslateTransform(dx, dy, order)

Translates the local geometric transform by the specified dimensions in the specified order.

Parameter	Type	Description
dx	Single	The value of the translation in x.
dy	Single	The value of the translation in y.
order	MatrixOrder	The order (prepend or append) in which to apply the translation.