Application HookMainWindow

//H  Filebool __fastcall AppHookFunc(TMessage &Message);
//cpp file
void __fastcall TForm2::FormCreate(TObject *Sender)
{

    Application->HookMainWindow(this->AppHookFunc);
}
// ---------------------------------------------------------------------------

void __fastcall TForm2::FormClose(TObject *Sender, TCloseAction &Action)
{
    Application->UnhookMainWindow(this->AppHookFunc);
}
bool __fastcall TForm2::AppHookFunc(TMessage &Message)
{
    bool Handled;
    switch (Message.Msg)
    {
    case WM_CLOSE:
        mrYes == MessageDlg("Really Close??",
            mtWarning,
            TMsgDlgButtons() << mbYes << mbNo,
            0) ? Handled = false : Handled = true;
        break;
    }
    return Handled;
}
时间: 2024-11-05 21:55:05

Application HookMainWindow的相关文章

Application.HookMainWindow完全替代了原来的窗口过程(但是好像也会继续传递)

unit HookMain; interface uses Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, ExtCtrls; type THookForm = class(TForm) SendBtn: TButton; GroupBox1: TGroupBox; LogList: TListBox; DoLog: TCheckBox; ExitBtn: TButton; B

Trapping Messages Sent to an Application

http://www.delphicorner.f9.co.uk/articles/apps7.htm I wrote code for the OnMessage event handler of Application object to trap all Windows messages sent to my application, but it doesn't seem to fire on all messages. Is there a way to trap all messag

delphi程序最小化任务栏控件 托盘

unit MyTray; interface uses   Windows,Messages,SysUtils,Classes,Graphics,Controls, Forms,Dialogs,ShellApi,ExtCtrls,StdCtrls; const //自定义托盘消息   WM_TrayMsg=WM_USER+10; type //恢复窗口的方式,左双击,右双击,左单击,右双击   TRMode=(LDbClick,RDbClick,LCLick,RClick);   TMyTray

Delphi 自定义窗口过程WinProc

unit ScWndProc; interface uses Forms, Messages; const DDGM_FOOMSG = WM_USER; //自定义消息 implementation uses windows,sysutils,Dialogs; var WProc : Pointer; function NewWndProc(handle: hWnd; msg,wParam,lParam: LongInt): LongInt ; stdcall; begin if msg = D

BCB 如何让Application收到SendMessage发送来的消息

一般,都是通过添加一个ApplicationEvent组件就可以接收到PostMessage发来的消息,那么如何收到SendMessage发来的消息呢? https://stackoverflow.com/questions/49862883/sendmessage-to-application-handle-not-working Application有一个Application->HookMainWindow方法 它的参数是这样的事件函数 bool __fastcall CLASSNAME

springboot的application.properties与.yml的区别

现在我们的application.properties文件内容是: [plain] view plain copy server.port=8090 server.session-timeout=30 server.context-path= server.tomcat.max-threads=0 server.tomcat.uri-encoding=UTF-8 spring.datasource.url = jdbc:mysql://localhost:3306/newbirds spring

Catch Application Exceptions in a Windows Forms Application

You need to handle the System.Windows.Forms.Application.ThreadException event for Windows Forms. This article really helped me: http://bytes.com/forum/thread236199.html. Application.ThreadException += new ThreadExceptionEventHandler(MyCommonException

android Application Component研究之Activity(一)

http://blog.csdn.net/windskier/article/details/7096521 终于下定决心写写ActivityManagerService的源码分析的文章了,ActivityManagerService 业务的整个逻辑关系被各种复杂的数据结构包裹着,因此对ActivityManagerService 的分析主要就是对各种数据结构的分析,明白了这些数据结构,理解ActivityManagerService的业务内容就水到渠成了. AMS提供了一个ArrayList

web初学之request,session与application

request (1)request的setAttribute()与getAttribute()方法一般都是成对出现,首先通过setAttribute()方法设置属性与属性值,然后通过getAttribute()方法根据属性获取到与该属性对应的对象值.setAttribute()与getAttribute()方法都是在服务器端内部执行,客户端并不清楚.(注意:getAttribute()之后需要进行向下类型转换,将属性值转换为真正的对象) (2)request的getParameter()方法是