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VisualC实现定制标题栏(国外英文资料)
Visual C++实现定制标题栏(国外英文资料)
Visual C++ implements custom title bars
2005-06-23 10:37 Author: mynote source: blog editor: Ark to want to use VC to prepare a beautiful interface is usually time-consuming, there are two main reasons, one is the VC own small components and not bright, two is not a visual design. However, these are only the common methods. If you use subclassing, hook technology, can completely change the situation, even more than Delphi and other RAD tools faster. This paper will introduce how to write a DLL, how to easily customize the title bar.
In order to make each form of the title bar can be customized, and not for each form class encoding, so this method adopts the hook technology, its core idea is to monitor the Windows message processing to slow the title of the news, to customize the title bar of the thought.
The method described in this document will install the WH_CALLWNDPROC hook in your application, as shown in the following code:
The code for installing hooks at application startup:
Extern C, BOOL __declspec (dllexport), InstallCallWndHook ()
{
G_hCallWndProc = SetWindowsHookEx (WH_CALLWNDPROC, CallWndProc, AfxGetInstanceHandle (), GetCurrentThreadId ());
If (NULL = g_hCallWndProc)
Return FALSE;
Else
Return TRUE;
}
InstallCallWndHook () function is defined as the export function in the calling program will need to customize the title of it, due to the installation of the WH_CALLWNDPROC hook, so in the process of application form before calling himself, always call the CallWndProc; if set to WH_CALLWNDPROCRET, the order of the opposite
G_hCallWndProc is a shared memory variable, and other methods are defined as follows:
#pragma data_seg (Shared)
Static HHOOK g_hCallWndProc;
#pragma, data_seg ()
Of course, you can also define other forms, such as directly using shared memory API creation.
Install uninstall hook code when application exits:
Extern C, void __declspec (dllexport), UnInstallCallWndHook ()
{
If (g_hCallWndProc = = NULL)
{
UnhookW
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