Vcl.Forms.TSetLayeredWindowAttributes

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C++

typedef bool __stdcall (*TSetLayeredWindowAttributes)(NativeUInt Hwnd, unsigned crKey, System::Byte bAlpha, unsigned dwFlags);

Properties

Type	Visibility	Source	Unit	Parent
typedef	public	Vcl.Forms.hpp	Vcl.Forms	Vcl.Forms

Description

Function used to set the layered window's attributes.

TSetLayeredWindowAttributes is a function that is used to set the attributes of the layered window. For example, it can be used to set the transparency of a form.

Parameter	Meaning
Hwnd	Represents the handle to the layered window.
crKey	Represents the color key.
bAlpha	Represents the value for the blend function.
dwFlags	Specifies the action to take (for example, to make a window transparent, you can use LWA_ALPHA).

See Also

• SetLayeredWindowAttributes