wndproc

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Which messages are processed by DefWindowProc?

is there any documentation which messages are processed by DefWindowProc, and how? I recently stumbled over WM_SETFONT/WM_GETFONT not being handled, I\'m not sure if there\'s a mistake in my code, or[详细]

2023-01-02 12:21 分类：问答
C# Passing WndProc Messages from a form to another form

I\'m working on a C# application with two Windows forms. Both forms are full screen and one form sits on top of the other form as a transparent overlay. The bottom form contains a web browser (also fu[详细]

2022-12-31 13:35 分类：问答
How to handle Win+Shift+LEft/Right on Win7 with custom WM_GETMINMAXINFO logic?

I have a custom windows implementation in a WPF app that hooks WM_GETMINMAXINFO as follows: private void MaximiseWithTaskbar(System.IntPtr hwnd, System.IntPtr lParam)[详细]

2022-12-30 05:59 分类：问答
Does the Message to WndProc change value from 32Bit OS to 64Bit OS?

When the following Method is overrided in .NET it seems that I get different Messages in 32Bit and 64Bit OS:es. Can this be true?[详细]

2022-12-29 10:50 分类：问答
Why doesn't SAPI's ISpNotifySource::SetNotifyWindowMessage() send the notification to my WndProc()?

I\'m using WinForms, and I\'m trying to get SetNotifyWindowMessage() to send a message to the WndProc, but it does not do so.[详细]

2022-12-27 04:33 分类：问答
Delphi - WndProc() in thread never called

I had code that worked fine when running in the context of the main VCL thread.This code allocated it\'s own WndProc() in order to handle SendMessage() calls.I am now trying to move it to a background[详细]

2022-12-26 03:31 分类：问答
If I send a WM_KEYDOWN message (using wndproc) will the computer hold the key down until I send WM_KEYUP?

I am looking for a solution to programmatically hold a keyboard key down during some time (I don\'t know how many time).[详细]

2022-12-17 21:35 分类：问答
I want to make a virtual keyboard. Do I need to send WM_KEYDOWN to the current active window or HWND_BROADCAST?

I am making an app that simulates a keyboard. I will do it by sending开发者_开发技巧 WM_KEYDOWN to a window, but I am not sure where to send the message.[详细]

2022-12-17 21:32 分类：问答
How to receive Plug & Play device notifications without a windows form

I am trying to write a class library that can catch the windows messages to notify me if a device has been attached or removed. Normally, in a windows forms app I would just override the WndProc metho[详细]

2022-12-16 20:58 分类：问答
Win32 , WndProc, and parent-child windows

I\'m developing in C code that uses the Win32 Api to create multiple windows. I used createWindow twice - to create parent and child windows.[详细]

2022-12-11 04:50 分类：问答