ColorKey

property

DelphiC++BuilderC#VB.NETC++/Qt

Delphi

property ColorKey: TColor read GetColorKey write SetColorKey  default DEF_ColorKey;

C++Builder

__property System::Uitypes::TColor ColorKey = {read=GetColorKey, write=SetColorKey, default=1048592};

C#

public int ColorKey { get; set; }

VB.NET

Public Property ColorKey As Integer

C++/Qt

int GetColorKey ();
void SetColorKey (int Value);

Used to modify the default color key used for window transparency.

Remarks

Used to change the default color keys used for window transparency and related effects.

Enable the window transparency with ColorKeyEnabled, then invoke SetWindowTransparency to set the form's or window transparency.

Sample code is available in the transparency checkbox code of the "display" tab of the MainDemo project.