Question

VBNET怎么获取控件颜色的RGB值，又怎么用RGB将颜色赋给控件颜色。

Answer 1

R/G/B值最小是0最大是255属Byte值类型
Dim
cr
As
Color
=
控件.BackColor
'获取控件背景色
Dim
alpha
As
Byte
=
cr.A
'透明度
Dim
R
As
Byte
=
cr.R
'R值
Dim
G
As
Byte
=
cr.G
'G值
Dim
B
As
Byte
=
cr.B
'B值
Dim
outAcr
As
Color
=
Color.FromArgb(alpha,
R,
G,
B)
'创建带有透明通道的ARGB颜色
Dim
outcr
As
Color
=
Color.FromArgb(R,
G,
B)
'创建不透明的RGB颜色