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设置文件不在任务栏显示

    DWORD dwExStyle = GetWindowLong(Application->Handle, GWL_EXSTYLE);

    dwExStyle |= WS_EX_TOOLWINDOW;

    SetWindowLong(Application->Handle, GWL_EXSTYLE, dwExStyle);

AlphaBlend 与AlphaBlendValue进行窗口透明属性设定

Application->ShowMainForm = false; 隐藏窗体

HANDLE hMutex = CreateMutex(NULL,true,"Test");

if(GetLastError == ERROR_ALREADY_EXISTS)

{

Application->Terminate();

return;

}