delphi

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Putting an image inside an combobox (right-hand edge) in Delphi/Win32

I want draw a an image inside an combobox (right-hand edge) in Delphi/Win32. The combobox has the style csDropDown. This doesn\'t work with csOwnerDrawFixed or csOwnerDrawVariable.[详细]

2023-04-12 13:10 分类：问答
CryptoAPI and XMLDSIG c, c++, delphi

I\'m trying to sign a xml document (http://www.w3.org/TR/xmldsig-core/) with an enveloped signature, I managed to calculate the signed info part but I\'m struggling to get a meaningful result from the[详细]

2023-04-12 12:00 分类：问答
Communication between Delphi application and android application using Union

I have created an android application for communicate with another Delphi application . The data that delphi application accepts is union. I sen开发者_StackOverflow社区d with UDP to it a type that I d[详细]

2023-04-12 11:50 分类：问答
How can I delete an object flagged as SFGAO_STREAM?

I have a file that I can reach by pidl via IShellFolder. This file has the flag SFGAO_CANDELETE and its parent folder has the flag SFGAO_STORAGEANCESTOR only.[详细]

2023-04-12 10:57 分类：问答
AD authentication using Unicode

Just implemented AD Authentication in C# using: DirectoryEntry entry = new DirectoryEntry(_path, domainAndUsername, pwd, AuthenticationTypes.Secure);[详细]

2023-04-12 08:28 分类：问答
What's a simple way of programmatically simulating user input?

I have a dialog that pops up as result of an error condition.I want the dialog to remain open for at least 开发者_高级运维30 seconds, and close 30 seconds after the last user input (mouse or keyboard)[详细]

2023-04-12 08:22 分类：问答
TThread.Synchronize causing (near) deadlock in Delphi 2009 (worked in Delphi 7)

In Delphi 2009, synchronize\'d functions that worked fine in Delphi 7 execute with sublime slowness until you wiggle the mouse over the open form.Wiggling the mouse causes the program to go into some[详细]

2023-04-12 08:19 分类：问答
Get average color of an image

I am trying to get the average color of an image. I tried various methods and now I use the following code, but I could not get the correct result.[详细]

2023-04-12 07:47 分类：问答
Delphi 2010 MySQL Update through ClientDataSet Failing

I am using Delphi 2010 and connecting to a MySQL database using dbexpress. The connection works 100% and I am retrieving my data. The problem comes when I am trying to update data through a dbGrid. I[详细]

2023-04-12 06:49 分类：问答
Safe way in Delphi for a Form to distribute interface objects tied to its lifetime?

I have a Delphi Form that provides the functionality behind an interface object that other parts of the code get references too via a property belonging to the Form.I can\'t delegate the interface fun[详细]

2023-04-12 06:34 分类：问答